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云消息队列 RocketMQ 版支持PushConsumer和SimpleConsumer这两种类型的消费者，本文分别从使用方式、实现原理、可靠性重试和适用场景等方面为您介绍这两种类型的消费者。

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[帮助文档] RabbitMQ消息幂等的定义、适用场景及处理方法

如果消息重复消费会影响您的业务处理，请对消息做幂等处理。本文介绍消息幂等的概念、适用场景以及处理方法。

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本文作者：田桢，前上汽大众平台架构师，现为中科创达汽车云技术负责人前言在车联网生态中，TSP（Telematics Service Provider）平台在产业链中居于核心地位，上接汽车、车载设备制造商与网络运营商，下接内容提供商，是主机厂车辆与服务的核心数据连接平台。随着智能汽车的发展和车主用户对...

车联网场景中的 MQTT 协议

目前我国车联网行业处于与 5G 技术的深度融合时期，随着 5G 与 V2X 技术的发展成熟，未来的车联网产业必将打开新的成长空间。车联网是物联网技术在交通系统领域的典型应用，车联网行业所涉及的相关技术领域的融合布局与协同发展在某种程度上与物联网一脉相通。作为一家开源物联网数据基础设施软件供应商，EM...

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