﻿---
title: OTel Alignment Overview
description: The following table summarizes the alignment status by namespaces between ECS in version 9.3.0-dev and OpenTelemetry semantic conventions in version 1.34.0...
url: https://www.elastic.co/docs/reference/ecs/ecs-otel-alignment-overview
---

# OTel Alignment Overview

The following table summarizes the alignment status by namespaces between ECS in version `9.3.0-dev` and OpenTelemetry semantic conventions in version `1.34.0`.

|                                 |                                                                      |                                                                                      |                                                                                   |                                                                                             |                                                                                       |                                                                                         |                                                                                     |                                                                                 |                                                                                |
|---------------------------------|----------------------------------------------------------------------|--------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------|---------------------------------------------------------------------------------|--------------------------------------------------------------------------------|
|                                 | Number of Fields / Attributes                                        |                                                                                      |                                                                                   |                                                                                             |                                                                                       |                                                                                         |                                                                                     |                                                                                 |                                                                                |
| Namespace                       | ECS                                                                  | OTel                                                                                 | ![relation](https://img.shields.io/badge/match-93c93e?style=flat "match")relation | ![relation](https://img.shields.io/badge/equivalent-1ba9f5?style=flat "equivalent")relation | ![relation](https://img.shields.io/badge/related-efc20d?style=flat "related")relation | ![relation](https://img.shields.io/badge/conflict-910000?style=flat "conflict")relation | ![relation](https://img.shields.io/badge/metric-cb00cb?style=flat "metric")relation | ![relation](https://img.shields.io/badge/OTLP-ffdcb2?style=flat "OTLP")relation | ![relation](https://img.shields.io/badge/n%2Fa-f2f4fb?style=flat "na")relation |
| Agent                           | [6](https://www.elastic.co/docs/reference/ecs/ecs-agent)6            | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Android                         | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/android)2        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Application                     | ·                                                                    | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/app)5            | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Artifact                        | ·                                                                    | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/artifact)7       | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Autonomous System               | [2](https://www.elastic.co/docs/reference/ecs/ecs-as)2               | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| ASP.NET Core                    | ·                                                                    | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/aspnetcore)7     | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| General AWS                     | ·                                                                    | [52](https://opentelemetry.io/docs/specs/semconv/attributes-registry/aws)52          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Azure Client Library            | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/az)2             | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Azure Client Library            | ·                                                                    | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/azure)7          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Base                            | [4](https://www.elastic.co/docs/reference/ecs/ecs-base)4             | ·                                                                                    | ·                                                                                 | ·                                                                                           | 2                                                                                     | ·                                                                                       | ·                                                                                   | 4                                                                               | ·                                                                              |
| Browser                         | ·                                                                    | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/browser)4        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Cassandra                       | ·                                                                    | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cassandra)6      | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| CI/CD Pipeline                  | ·                                                                    | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cicd)16         | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Client                          | [12](https://www.elastic.co/docs/reference/ecs/ecs-client)12         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/client)2         | 2                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Cloud                           | [11](https://www.elastic.co/docs/reference/ecs/ecs-cloud)11          | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloud)6          | 4                                                                                 | 1                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| CloudEvents                     | ·                                                                    | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloudevents)5    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| CloudFoundry                    | ·                                                                    | [11](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloudfoundry)11 | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Code                            | ·                                                                    | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/code)5           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Code Signature                  | [11](https://www.elastic.co/docs/reference/ecs/ecs-code_signature)11 | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Container                       | [14](https://www.elastic.co/docs/reference/ecs/ecs-container)14      | [13](https://opentelemetry.io/docs/specs/semconv/attributes-registry/container)13    | 4                                                                                 | 2                                                                                           | 1                                                                                     | ·                                                                                       | 2                                                                                   | ·                                                                               | ·                                                                              |
| CPU                             | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cpu)2            | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| CPython attributes              | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cpython)1        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Data Stream                     | [3](https://www.elastic.co/docs/reference/ecs/ecs-data_stream)3      | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | 3                                                                              |
| General Database                | ·                                                                    | [14](https://opentelemetry.io/docs/specs/semconv/attributes-registry/db)14           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Deployment                      | ·                                                                    | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/deployment)4     | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Destination                     | [12](https://www.elastic.co/docs/reference/ecs/ecs-destination)12    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/destination)2    | 2                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Device                          | [10](https://www.elastic.co/docs/reference/ecs/ecs-device)10         | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/device)4         | 4                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Disk                            | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/disk)1           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| DLL                             | [4](https://www.elastic.co/docs/reference/ecs/ecs-dll)4              | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| DNS                             | [18](https://www.elastic.co/docs/reference/ecs/ecs-dns)18            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/dns)1            | 1                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| .NET                            | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/dotnet)1         | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| ECS                             | [1](https://www.elastic.co/docs/reference/ecs/ecs-ecs)1              | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | 1                                                                              |
| Elasticsearch                   | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/elasticsearch)1  | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| ELF Header                      | [38](https://www.elastic.co/docs/reference/ecs/ecs-elf)38            | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Email                           | [19](https://www.elastic.co/docs/reference/ecs/ecs-email)19          | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| End User                        | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/enduser)2        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Entity                          | [13](https://www.elastic.co/docs/reference/ecs/ecs-entity)13         | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Error                           | [5](https://www.elastic.co/docs/reference/ecs/ecs-error)5            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/error)2          | 1                                                                                 | 2                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Event                           | [26](https://www.elastic.co/docs/reference/ecs/ecs-event)26          | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Exception                       | ·                                                                    | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/exception)3      | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| FaaS                            | [7](https://www.elastic.co/docs/reference/ecs/ecs-faas)7             | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/faas)16         | 3                                                                                 | 2                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Feature Flag                    | ·                                                                    | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/feature-flag)8   | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| File                            | [24](https://www.elastic.co/docs/reference/ecs/ecs-file)24           | [18](https://opentelemetry.io/docs/specs/semconv/attributes-registry/file)18         | 11                                                                                | 7                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| GCP Client                      | ·                                                                    | [14](https://opentelemetry.io/docs/specs/semconv/attributes-registry/gcp)14          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Gen AI                          | [26](https://www.elastic.co/docs/reference/ecs/ecs-gen_ai)26         | [32](https://opentelemetry.io/docs/specs/semconv/attributes-registry/gen-ai)32       | 26                                                                                | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Geo                             | [11](https://www.elastic.co/docs/reference/ecs/ecs-geo)11            | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/geo)7            | 1                                                                                 | 4                                                                                           | 2                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Go                              | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/go)1             | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| GraphQL                         | ·                                                                    | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/graphql)3        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Group                           | [3](https://www.elastic.co/docs/reference/ecs/ecs-group)3            | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Hash                            | [8](https://www.elastic.co/docs/reference/ecs/ecs-hash)8             | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Heroku                          | ·                                                                    | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/heroku)3         | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Host                            | [18](https://www.elastic.co/docs/reference/ecs/ecs-host)18           | [15](https://opentelemetry.io/docs/specs/semconv/attributes-registry/host)15         | 5                                                                                 | 1                                                                                           | ·                                                                                     | ·                                                                                       | 8                                                                                   | ·                                                                               | ·                                                                              |
| HTTP                            | [13](https://www.elastic.co/docs/reference/ecs/ecs-http)13           | [12](https://opentelemetry.io/docs/specs/semconv/attributes-registry/http)12         | 1                                                                                 | 5                                                                                           | 2                                                                                     | 1                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Hardware                        | ·                                                                    | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/hw)5             | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Interface                       | [3](https://www.elastic.co/docs/reference/ecs/ecs-interface)3        | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| iOS                             | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/ios)1            | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Java Virtual Machine (JVM)      | ·                                                                    | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/jvm)8            | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Kubernetes                      | ·                                                                    | [49](https://opentelemetry.io/docs/specs/semconv/attributes-registry/k8s)49          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Linux Memory                    | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/linux)1          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Log                             | [18](https://www.elastic.co/docs/reference/ecs/ecs-log)18            | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/log)7            | 1                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | 1                                                                               | ·                                                                              |
| Mach-O Header                   | [16](https://www.elastic.co/docs/reference/ecs/ecs-macho)16          | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| General Messaging               | ·                                                                    | [37](https://opentelemetry.io/docs/specs/semconv/attributes-registry/messaging)37    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Network                         | [12](https://www.elastic.co/docs/reference/ecs/ecs-network)12        | [17](https://opentelemetry.io/docs/specs/semconv/attributes-registry/network)17      | 2                                                                                 | 1                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Node.js                         | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/nodejs)1         | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Observer                        | [13](https://www.elastic.co/docs/reference/ecs/ecs-observer)13       | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Open Container Initiative (OCI) | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/oci)1            | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| OpenTracing                     | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/opentracing)1    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Orchestrator                    | [15](https://www.elastic.co/docs/reference/ecs/ecs-orchestrator)15   | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Organization                    | [2](https://www.elastic.co/docs/reference/ecs/ecs-organization)2     | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Operating System                | [7](https://www.elastic.co/docs/reference/ecs/ecs-os)7               | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/os)5             | 2                                                                                 | 1                                                                                           | ·                                                                                     | 1                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| OTel                            | ·                                                                    | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/otel)7           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Package                         | [13](https://www.elastic.co/docs/reference/ecs/ecs-package)13        | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| PE Header                       | [23](https://www.elastic.co/docs/reference/ecs/ecs-pe)23             | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Peer                            | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/peer)1           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Process                         | [34](https://www.elastic.co/docs/reference/ecs/ecs-process)34        | [34](https://opentelemetry.io/docs/specs/semconv/attributes-registry/process)34      | 15                                                                                | 2                                                                                           | ·                                                                                     | ·                                                                                       | 1                                                                                   | ·                                                                               | ·                                                                              |
| Profile Frame                   | ·                                                                    | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/profile)1        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Registry                        | [7](https://www.elastic.co/docs/reference/ecs/ecs-registry)7         | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Related                         | [4](https://www.elastic.co/docs/reference/ecs/ecs-related)4          | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | 4                                                                              |
| Risk information                | [6](https://www.elastic.co/docs/reference/ecs/ecs-risk)6             | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Remote Procedure Call (RPC)     | ·                                                                    | [17](https://opentelemetry.io/docs/specs/semconv/attributes-registry/rpc)17          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Rule                            | [10](https://www.elastic.co/docs/reference/ecs/ecs-rule)10           | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Security Rule                   | ·                                                                    | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/security-rule)8  | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Server                          | [12](https://www.elastic.co/docs/reference/ecs/ecs-server)12         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/server)2         | 2                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Service                         | [11](https://www.elastic.co/docs/reference/ecs/ecs-service)11        | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/service)4        | 2                                                                                 | 2                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Session                         | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/session)2        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| SignalR                         | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/signalr)2        | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Source                          | [12](https://www.elastic.co/docs/reference/ecs/ecs-source)12         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/source)2         | 2                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Deprecated System               | ·                                                                    | [11](https://opentelemetry.io/docs/specs/semconv/attributes-registry/system)11       | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Telemetry                       | ·                                                                    | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/telemetry)5      | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Test                            | ·                                                                    | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/test)4           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Thread                          | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/thread)2         | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| Threat                          | [65](https://www.elastic.co/docs/reference/ecs/ecs-threat)65         | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| TLS                             | [29](https://www.elastic.co/docs/reference/ecs/ecs-tls)29            | [28](https://opentelemetry.io/docs/specs/semconv/attributes-registry/tls)28          | 26                                                                                | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Tracing                         | [3](https://www.elastic.co/docs/reference/ecs/ecs-tracing)3          | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | 2                                                                               | 1                                                                              |
| URL                             | [14](https://www.elastic.co/docs/reference/ecs/ecs-url)14            | [13](https://opentelemetry.io/docs/specs/semconv/attributes-registry/url)13          | 12                                                                                | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| User                            | [7](https://www.elastic.co/docs/reference/ecs/ecs-user)7             | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/user)6           | 6                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| User agent                      | [4](https://www.elastic.co/docs/reference/ecs/ecs-user_agent)4       | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/user-agent)6     | 3                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| V8 JS                           | ·                                                                    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/v8js)2           | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| VCS Repository                  | ·                                                                    | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/vcs)16          | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| VLAN                            | [2](https://www.elastic.co/docs/reference/ecs/ecs-vlan)2             | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Volume                          | [16](https://www.elastic.co/docs/reference/ecs/ecs-volume)16         | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Vulnerability                   | [13](https://www.elastic.co/docs/reference/ecs/ecs-vulnerability)13  | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
| Web Engine                      | ·                                                                    | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/webengine)3      | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               |                                                                                |
| x509 Certificate                | [24](https://www.elastic.co/docs/reference/ecs/ecs-x509)24           | ·                                                                                    | ·                                                                                 | ·                                                                                           | ·                                                                                     | ·                                                                                       | ·                                                                                   | ·                                                                               | ·                                                                              |
