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uProtocol Message (uMessage)

Table of Contents

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in IETF BCP14 (RFC2119 & RFC8174)

Copyright (c) 2024 General Motors GTO LLC

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

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SPDX-FileType: DOCUMENTATION
SPDX-FileCopyrightText: 2024 General Motors GTO LLC
SPDX-License-Identifier: Apache-2.0

1. Overview

UMessage is the top-level message type for the uProtocol. It contains a UUri (source address), UAttributes (uProtocol header), and UPayload (the message payload). UMessage is the common way to represent messages sent between uEs over any communication protocol/middleware.

Note
 Please refer to umessage.proto for more details.