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Real-Time Web
With socket.io and node.js
Request (URL)


Client                                                  Server
             Response (static page, JSON, ...)




         Good old HTTP                       Request and Response
Auto Refresh
Ajax Polling

                  Long Polling


    FlashSocket

                              CometD
  iframe


     Push server data    to the client
WebSocket

 Push server data   to the client
WebSocket



            Client




            Server
WebSocket



                         Client
 HTTP 80/443
          equest     R
           Handshake




                         Server
WebSocket



                                     Client
 HTTP 80/443
                             ponse
          equest




                          ake Res
                     R
           Handshake




                         Handsh




           Connection Upgrade

                                     Server
WebSocket



                                     Client
 HTTP 80/443
                             ponse
          equest




                          ake Res
                     R
           Handshake




                         Handsh




           Connection Upgrade

                                     Server
WebSocket



                                              Client
 HTTP 80/443
                             ponse
          equest




                          ake Res
                     R




                                     Data 1
           Handshake




                         Handsh




           Connection Upgrade

                                              Server
WebSocket



                                              Client
 HTTP 80/443
                             ponse
          equest




                          ake Res
                     R




                                     Data 1




                                                Data 2
           Handshake




                         Handsh




           Connection Upgrade

                                              Server
WebSocket



                                              Client
 HTTP 80/443
                             ponse
          equest




                          ake Res
                     R




                                     Data 1




                                                Data 2




                                                         Data 3
           Handshake




                         Handsh




           Connection Upgrade

                                              Server
HTTP 80/443
                                        R   equest
                              Handshake
                                                                             WebSocket



                              Handsh
                                    ake Res
                                              ponse




         Connection Upgrade
                                   Data 1




                                   Data 2
                                                                    Client




Server
                                   Data 3




                                   Data 4
Socket.io

          WebSocket-Support with fallbacks

                              • IE 5.5+
  • WebSocket                 • Safari 3+
  • Adobe Flash               • Google Chrome 4+
      Socket                  • Firefox 3+
  •   AJAX long polling       • Opera 10.61+
  •   AJAX multipart
      streaming               • iPhone Safari
  •   Forever IFrame          • iPad Safari
  •   JSONP Polling           • Android WebKit
                              • WebOs WebKit
Client code = server code?




                node.js
 a server based on the V8 Google Chrome engine
Let’s get dirty

            http://nodejs.org/#download
Let’s get dirty

            http://nodejs.org/#download



                    Installation
Let’s get dirty

            http://nodejs.org/#download



                    Installation




            mkdir insidrrr
            cd insidrrr
            npm install socket.io
Coding
Thank You
Simon Tiffert | Twitter: geveo | DevLead @ Viaboxx

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Insidrrr Day 1: Simon Tiffert - Real Time Web

  • 2. Request (URL) Client Server Response (static page, JSON, ...) Good old HTTP Request and Response
  • 3. Auto Refresh Ajax Polling Long Polling FlashSocket CometD iframe Push server data to the client
  • 4. WebSocket Push server data to the client
  • 5. WebSocket Client Server
  • 6. WebSocket Client HTTP 80/443 equest R Handshake Server
  • 7. WebSocket Client HTTP 80/443 ponse equest ake Res R Handshake Handsh Connection Upgrade Server
  • 8. WebSocket Client HTTP 80/443 ponse equest ake Res R Handshake Handsh Connection Upgrade Server
  • 9. WebSocket Client HTTP 80/443 ponse equest ake Res R Data 1 Handshake Handsh Connection Upgrade Server
  • 10. WebSocket Client HTTP 80/443 ponse equest ake Res R Data 1 Data 2 Handshake Handsh Connection Upgrade Server
  • 11. WebSocket Client HTTP 80/443 ponse equest ake Res R Data 1 Data 2 Data 3 Handshake Handsh Connection Upgrade Server
  • 12. HTTP 80/443 R equest Handshake WebSocket Handsh ake Res ponse Connection Upgrade Data 1 Data 2 Client Server Data 3 Data 4
  • 13. Socket.io WebSocket-Support with fallbacks • IE 5.5+ • WebSocket • Safari 3+ • Adobe Flash • Google Chrome 4+ Socket • Firefox 3+ • AJAX long polling • Opera 10.61+ • AJAX multipart streaming • iPhone Safari • Forever IFrame • iPad Safari • JSONP Polling • Android WebKit • WebOs WebKit
  • 14. Client code = server code? node.js a server based on the V8 Google Chrome engine
  • 15. Let’s get dirty http://nodejs.org/#download
  • 16. Let’s get dirty http://nodejs.org/#download Installation
  • 17. Let’s get dirty http://nodejs.org/#download Installation mkdir insidrrr cd insidrrr npm install socket.io
  • 19. Thank You Simon Tiffert | Twitter: geveo | DevLead @ Viaboxx

Editor's Notes

  1. \n
  2. Request und Response - hat uns weit gebracht\nAber hat auch die Grenzen für manche Arten von Anwendungen aufgezeigt.\n\nDauerhafter Datenfluss von Client => Server und von Server => Client sind echte Herausforderungen\n
  3. Bisher \n- Ajax Polling\n- Flash injection\n- Long running polling\n- Cometd\n
  4. Bisher \n- Ajax Polling\n- Flash injection\n- Long running polling\n- Cometd\n
  5. HTML5 Standard\n
  6. HTML5 Standard\n
  7. HTML5 Standard\n
  8. HTML5 Standard\n
  9. HTML5 Standard\n
  10. HTML5 Standard\n
  11. HTML5 Standard\n
  12. HTML5 Standard\n
  13. HTML5 Standard\n
  14. HTML5 Standard\n
  15. HTML5 Standard\n
  16. HTML5 Standard\n
  17. HTML5 Standard\n
  18. HTML5 Standard\n
  19. \n
  20. HTML5 ist in Bewegung, und die Browser erst recht\n- Heartbeat\n- Topics\n\n
  21. \n
  22. \n
  23. \n
  24. \n
  25. \n
  26. \n
  27. \n
  28. \n
  29. \n