物联网云消息队列 MQ 的相关内容

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一、前言上个月有个读者问我物联网 MQTT 协议实战相关的问题，我说后面会搞，没想到不知不觉一个月了，太忙了，再怎么忙答应的事情还是要给读者一个交代，所以就有了此文。二、MQTT 协议概要2.1 什么是 MQTT 协议MQTT（Message Queuing Telemetry Transport，...

物联网协议比较 MQTT CoAP RESTful/HTTP XMPP

物联网协议ProtocolCoAPXMPPRESTful HTTPMQTTTransportUDPTCPTCPTCPMessagingRequest/ResponsePublish/Subscribe Request/ResponseRequest/ResponsePublish/Subscribe...

RocketMQ 5.0学习资料

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Apache RocketMQ：如何从互联网时代演进到云

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带您快速了解阿里云消息队列RocketMQ 5.0版

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工业物联网数据桥接教程：Modbus 桥接到 MQTT

Modbus 介绍 Modbus 是一种串行通信协议，用于连接工业自动化设备，最初由 Modicon 公司开发，诞生于 1979 年，现在已成为通用的通讯标准之一，广泛用于工业自动化场景。 Modbus 采用主从模式，支持多种传输方式，包括串行（RS-232/485）和以太网版本（TCP/IP）。其...

基于 EMQX 和 Neuron 的工业物联网 MQTT Sparkplug 解决方案

引言 Sparkplug 是基于 MQTT 的一种专门为工业自动化和物联网应用而设计的通信协议。要搭建 Sparkplug 解决方案，需要两个核心组件：一个是 MQTT Broker，负责消息的分发和管理；另一个是边缘节点，负责将本地设备接入 Broker，以实现实时数据的处理和分析。在本文中，我...

工业物联网协议对比：MQTT Sparkplug vs OPC-UA

引言工业系统需要确保数据的无缝交换，因此对于高效、安全的通信协议具有极高的依赖性。MQTT Sparkplug 和 OPC UA 是两个经常被提到的工业协议。本文将全面比较 MQTT Sparkplug 和 OPC UA 以及它们的衍生版本，帮助您更清楚地了解哪种协议更适合您的需求。 OPC Cl...

动手写物联网平台(二、物联网和MQTT协议简介)

物联网：物联网（Internet of Things，IoT）最近曝光率越来越高。虽然HTTP是网页的事实标准，不过机器之间（Machine-to-Machine，M2M）的大规模沟通需要不同的模式：之前的请求/回答（Request/Response...

物联网MQTT协议报文解析(简单的c语音客户端实现)

MQTT(Message Queuing Telemetry Transport),是一个物联网传输协议，它被设计用于轻量级的发布/订阅式消息传输，旨在为低带宽和不稳定的网络环境中的物联网设备提供可靠的网络服务。MQTT是专门针对物联网开发的轻量级传输协议。MQTT协议针对低带宽网络，低计算能力的设...

2023 年最适用于工业物联网领域的三款开源 MQTT Broker

MQTT 最初作为一种轻量级的发布/订阅消息传递协议而设计，如今已经成为工业物联网（IIoT）和工业 4.0 发展的重要基础。它的意义在于实现了各类工业设备与云端的无缝连接，促进了运营技术（OT）和信息技术（IT）的融合。本文对比分析了 2023 年工业物联网领域最优秀的三款 MQTT Broke...

构建可靠的物联网系统：了解 MQTT 性能测试

引言近十年来，物联网迎来了爆炸式的增长。面对海量的设备及其产生的数据，物联网应用和服务变得越来越复杂。我们不仅要保证这些物联网系统的业务功能正确无误，还要保证系统能够支持大量设备之间持续稳定地通信。因此，我们需要通过性能测试以确保所构建的物联网系统是稳定可靠的。为何性能测试对于物联网系统如此重...

「物联网架构」通过 Kafka和MQTT实现大规模的物联网和事件流

随着有价值的用例的出现，物联网(IoT)正得到越来越多的关注。然而，一个关键的挑战是整合设备和机器来实时和大规模地处理数据。Apache Kafka®及其周边的生态系统，包括Kafka Connect、Kafka Streams和ksqlDB，已经成为集成和处理这类数据集的首选技术。在Kafka客户...

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