SockJS - NodeJS showcase - Dec 2011

Transcript

1. SockJS
   WebSocket emulation kept simple, stupid
   Marek Majkowski
   marek@rabbitmq.com
   

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3. HTTP
   WebSockets
   

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4. WebSockets
   hixie-75 4 5.0.0
   hixie-76 4
   (disabled)
   6 5.0.1 11
   (disabled)
   hybi-07 6
   hybi-10 7 14 10-dev
   hybi-17 16-dev
   

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5. @sockjs
   github.com/sockjs
   

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7. History of Comet Fallbacks
   JSO
   N
   P
   Forever IFram
   e
   AJAX
   multipart
   EventSource
   W
   ebSocket
   postM
   essage
   Orbited Socket.io SockJS
   AJAX
   polling
   AJAX
   CO
   RS
   2005 2007 2009
   2006 2010 2011
   2008
   

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8. Orbited
   

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9. Socket.io
   

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10. Socket.io
    

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11. Socket.io cross domain
    Opera IE8, IE9
    WebSockets - -
    Flash Socket ? ?
    AJAX CORS - ~
    Forever IFrame - -
    JSONP + +
    

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12. postMessage
    

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13. SockJS cross domain
    Opera IE8, IE9
    WebSockets - -
    Flash Socket ? ?
    postMessage + AJAX CORS + +
    postMessage + Forever IFrame + +
    JSONP + +
    

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14. #sockjs
    SockJS
    1. Fallbacks
    2. Cross domain support
    3. Scalability explained (sticky sessions)
    4. Specified protocol, multilingual
    5. WebSocket like API
    

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15. History of Comet Fallbacks
    JSO
    N
    P
    Forever IFram
    e
    AJAX
    multipart
    EventSource
    W
    ebSocket
    postM
    essage
    Orbited Socket.io
    SockJS
    AJAX
    polling
    AJAX
    CO
    RS
    2005 2007 2009
    2006 2010 2011
    2008
    W
    ebSocket
    WebSocket
    ????
    

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16. @sockjs
    http://sockjs.org
    github.com/sockjs/sockjs-client
    

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17. mud.sockjs.org
    

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