message);mqtt协议里并没有messageId的说法，但是你mqtt发的消息，可以根据完整topic+发送端clientId+发送...
mqtt-kafka feature (enhanced) #512 Open 14 tasks jfallows changed the title MQTT publish QoS 1 as Kafka produce with acks in_sync_replicas and idempotent producerId MQTT publish QoS 2 as Kafka produce with acks in_sync_replicas and idempotent producerId Dec 4, 2023 Contributor Author jf...
百度试题 结果1 题目MQTT协议中,哪个消息类型用于客户端取消订阅主题? A. SUBSCRIBE B. PUBACK C. UNSUBSCRIBE D. PUBLISH相关知识点: 试题来源: 解析 C 反馈 收藏
Message Queuing Telemetry Transport (MQTT) is the most widely used publish/subscribe communication protocol and is based on a central broker for message exchange. In this paper, the communication latency of OPC UA end devices exchanging data over MQTT as a broker-based middleware is investigated ...
MQTT2EdgePeer: a Robust and Scalable Brokerless Peer-to-Peer Edge Middleware for Topic-Based Publish/Subscribe 来自 IEEEXplore 喜欢 0 阅读量: 7 作者:S Rahmani,A Ali-Pour,C Coti,J Gascon-Samson 摘要: The topic-based publish-subscribe paradigm plays an important role among many applications, ...
The Study of IoT MQTT Publish Latency 来自 IEEEXplore 喜欢 0 阅读量: 16 作者: G Wang 摘要: The Internet of things (IoT) is the inter-networking of physical devices, vehicles (also referred to as connected devices and smart devices), buildings, and other itemsembedded with electronics, ...
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MQTT local broker and remote broker are compared for all the testing results. These research results can help us to get a better understanding of the IoT performance for message publish and can be used as a metrics during IoT implementations.Guoping Wang...