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MQTT vs XMPP: What are the differences?


In this article, we will explore the key differences between MQTT (Message Queuing Telemetry Transport) and XMPP (Extensible Messaging and Presence Protocol) in the context of website development.

  1. Scalability: MQTT is specifically designed for M2M (machine-to-machine) communication and IoT (Internet of Things) applications, making it highly scalable and efficient in handling large numbers of devices. On the other hand, XMPP is better suited for human-to-human communication and lacks the same level of scalability as MQTT.

  2. Lightweight: MQTT is a lightweight protocol, optimized for low-power devices and constrained networks. It uses a publish-subscribe model, allowing devices to subscribe to specific topics of interest and receive relevant messages, minimizing the network and device resources required. In contrast, XMPP is a more feature-rich protocol that includes real-time presence and a wider range of communication features, making it heavier in terms of bandwidth and processing requirements.

  3. Persistent and Asynchronous Communication: MQTT allows for persistent and asynchronous communication, meaning that messages can be stored and delivered to devices even if they are temporarily disconnected. This makes it ideal for remote monitoring and control applications. XMPP also supports persistent communication but in a different way. It relies on a server-based architecture where messages are routed through a central server, making it suitable for instant messaging and chat applications.

  4. Transport Layer: MQTT typically uses TCP/IP as its transport layer protocol, providing reliable and ordered delivery of messages. XMPP, on the other hand, can use both TCP and HTTP as transport layers. This flexibility allows XMPP to work over web-based protocols and may be advantageous in certain situations.

  5. Ease of Implementation: MQTT is known for its simplicity and ease of implementation, making it popular in IoT applications where resource-constrained devices and limited bandwidth are common. XMPP, on the other hand, has a more complex protocol structure and may require more resources to implement fully.

  6. Widespread Adoption: MQTT has gained significant traction in the IoT industry and is often used in industrial and home automation, telemetry, and sensor networks. XMPP, while initially developed for instant messaging, has also seen adoption in various applications, including social networks and presence management systems.

In summary, MQTT and XMPP differ in terms of scalability, lightweight nature, approach to communication, transport layer, ease of implementation, and adoption areas. Understanding these differences can help developers choose the protocol that best suits their specific website development needs.

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Pros of MQTT
Pros of XMPP
  • 3
    Varying levels of Quality of Service to fit a range of
  • 2
    Lightweight with a relatively small data footprint
  • 2
    Very easy to configure and use with open source tools
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    Cons of MQTT
    Cons of XMPP
    • 1
      Easy to configure in an unsecure manner
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      What is MQTT?

      It was designed as an extremely lightweight publish/subscribe messaging transport. It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.

      What is XMPP?

      It is a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.

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      What companies use MQTT?
      What companies use XMPP?
      See which teams inside your own company are using MQTT or XMPP.
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      What tools integrate with MQTT?
      What tools integrate with XMPP?

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      What are some alternatives to MQTT and XMPP?
      RabbitMQ gives your applications a common platform to send and receive messages, and your messages a safe place to live until received.
      An architectural style for developing web services. A distributed system framework that uses Web protocols and technologies.
      Google Cloud Messaging
      Google Cloud Messaging (GCM) is a free service that enables developers to send messages between servers and client apps. This includes downstream messages from servers to client apps, and upstream messages from client apps to servers.
      Kafka is a distributed, partitioned, replicated commit log service. It provides the functionality of a messaging system, but with a unique design.
      The 0MQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialised messaging middleware products. 0MQ sockets provide an abstraction of asynchronous message queues, multiple messaging patterns, message filtering (subscriptions), seamless access to multiple transport protocols and more.
      See all alternatives