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verfino

websocket 和 socket.io 之间的区别是什么?

  •  
  •   verfino
    helix-dan Jul 3, 2013 23330 views
    This topic created in 4681 days ago, the information mentioned may be changed or developed.
    google了下,得出 socket.io 是 websocket 的扩展。而且socket.io貌似支持更多的东西

    最近要用Node.js给Android/iOS写一个socket server,这种需求的话。应该更适合用websocket还是socket.io呢?
    5 replies    1970-01-01 08:00:00 +08:00
    switch
        1
    switch  
       Jul 3, 2013   1
    websocket 是标准,socket.io 是应用。
    Archangel_SDY
        2
    Archangel_SDY  
       Jul 3, 2013   2
    socket.io封装了多种实时通信技术, 提供统一的API, 如果浏览器不支持WebSocket也可以平稳退化成其它的:

    http://socket.io/#browser-support
    boai
        3
    boai  
       Jul 3, 2013
    @switch 不是,node里有个叫websocket的包
    levey
        4
    levey  
       Jul 3, 2013   1
    如一楼, socket.io 有多种通信方式, 其中一种是 WebSocket, 还有 AJAX long polling 等方式。
    halfblood
        5
    halfblood  
       Jul 3, 2013   4
    websocket是一种长连接协议,用nodejs实现了这个ws协议的库也叫websocket,github搜索一下就有。socket.io也是实现了ws协议的库,不过它支持的更多,不仅实现了ws协议,也支持长轮询等方式,兼容flash,IE6等不支持ws协议的浏览器。
    如果是Android和ios终端,建议你走mqtt协议,专门为移动设备设计的,低流量、低耗电等。
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