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London Ajax User Group
                           July 13, 2010




Wednesday, July 14, 2010
Welcome!
                    • About Us (@dylans)
                     • Moderator, Dylan Schiemann
                     • SitePen, Dojo, Comet Daily, cometD,
                             Persevere, mod_pubsub, Hookbox
                    • Thanks to Skills Matter, JSFiddle, SitePen,
                           Comet Daily, & O'Reilly


Wednesday, July 14, 2010
Format

                    • Quick Intro
                    • Panel (Questions at http://bit.ly/aMjyaP)
                    • Prizes
                    • Pub

Wednesday, July 14, 2010
Tonight

                    • 18:00 Meet & Greet
                    • 18:20 Intro
                    • 18:30 Panel
                    • 19:55 Prizes & Future Events
                    • 20:00 Pub
Wednesday, July 14, 2010
What is Comet?
                    • Techniques for long-lived connections
                    • Low-latency data transmission from the
                           server to the browser or client
                    • Deliver data to the client at any time
                    • Improve speed and scaling over Ajax
                    • Develop event-driven web applications
Wednesday, July 14, 2010
What is Comet?

                    • Servers (long-lived connections)
                    • Clients (JavaScript and server-side)
                    • Protocols (Bayeux, CSP, XMPP, etc.)
                    • Transports (long-polling, HTML5
                           WebSocket, forever-frame, etc.)



Wednesday, July 14, 2010
Comet Examples

                    • Quick Example: http://dylan.io/graph.php
                    • Chat
                    • Reporting & Monitoring
                    • Collaboration
                    • Trading

Wednesday, July 14, 2010
Panelists
                    • Alessandro Alinone, Lightstreamer
                    • Andrew Betts, Meteor Server
                    • Anthony Catel, APE
                    • Jerod Venema, WebSync
                    • Joe Walker, DWR
                    • Martin Tyler, Liberator
                    • Simone Bordet, cometD-Jetty
Wednesday, July 14, 2010
Comet Panel
                                  July 13, 2010
                           Concise questions, witty answers.




Wednesday, July 14, 2010
Prizes
Wednesday, July 14, 2010
Future Events
                    •      August: Server-side JS

                    •      September:
                           Microtoolkits

                    •      October: Ajax Toolkits
                           Panel

                    •      November: Performance

                    •      December: no event




Wednesday, July 14, 2010
Other Events

                    • Dojo Mobile Weekend (July 31& August 1)
                    • Dojo Workshop (August 10-12)
                    • London Ajax August 10
                    • JSConf.eu, Berlin, late September
                    • JAOO, early October, Denmark

Wednesday, July 14, 2010
Resources
                    •      APE http://www.ape-project.org/       •   Meteor http://meteorserver.org/


                    •      Caplin Liberator: http://             •   Nirvana http://www.my-
                           www.caplin.com/caplin_liberator.php       channels.com/products/nirvana.html


                    •      cometD-Jetty http://cometd.com/       •   Node.js http://nodejs.org/


                    •      DWR http://directwebremoting.org/     •   Orbited http://orbited.org


                    •      ErlyComet http://code.google.com/p/   •   Persevere http://www.persvr.org/
                           erlycomet/

                                                                 •   Tornado http://github.com/facebook/
                    •      Hookbox http://hookbox.org/               tornado/


                    •      Lightstreamer http://                 •   WebSync http://frozenmountain.com/
                           lightstreamer.com/




Wednesday, July 14, 2010
Resources

                    • http://cometdaily.com/ @cometdaily
                    • http://www.meetup.com/londonajax/
                           calendar/13682478/
                    • http://skillsmatter.com/


Wednesday, July 14, 2010
Thanks!
                           to the panelists




Wednesday, July 14, 2010

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London Ajax User Group Meetup: Comet Panel

  • 1. London Ajax User Group July 13, 2010 Wednesday, July 14, 2010
  • 2. Welcome! • About Us (@dylans) • Moderator, Dylan Schiemann • SitePen, Dojo, Comet Daily, cometD, Persevere, mod_pubsub, Hookbox • Thanks to Skills Matter, JSFiddle, SitePen, Comet Daily, & O'Reilly Wednesday, July 14, 2010
  • 3. Format • Quick Intro • Panel (Questions at http://bit.ly/aMjyaP) • Prizes • Pub Wednesday, July 14, 2010
  • 4. Tonight • 18:00 Meet & Greet • 18:20 Intro • 18:30 Panel • 19:55 Prizes & Future Events • 20:00 Pub Wednesday, July 14, 2010
  • 5. What is Comet? • Techniques for long-lived connections • Low-latency data transmission from the server to the browser or client • Deliver data to the client at any time • Improve speed and scaling over Ajax • Develop event-driven web applications Wednesday, July 14, 2010
  • 6. What is Comet? • Servers (long-lived connections) • Clients (JavaScript and server-side) • Protocols (Bayeux, CSP, XMPP, etc.) • Transports (long-polling, HTML5 WebSocket, forever-frame, etc.) Wednesday, July 14, 2010
  • 7. Comet Examples • Quick Example: http://dylan.io/graph.php • Chat • Reporting & Monitoring • Collaboration • Trading Wednesday, July 14, 2010
  • 8. Panelists • Alessandro Alinone, Lightstreamer • Andrew Betts, Meteor Server • Anthony Catel, APE • Jerod Venema, WebSync • Joe Walker, DWR • Martin Tyler, Liberator • Simone Bordet, cometD-Jetty Wednesday, July 14, 2010
  • 9. Comet Panel July 13, 2010 Concise questions, witty answers. Wednesday, July 14, 2010
  • 11. Future Events • August: Server-side JS • September: Microtoolkits • October: Ajax Toolkits Panel • November: Performance • December: no event Wednesday, July 14, 2010
  • 12. Other Events • Dojo Mobile Weekend (July 31& August 1) • Dojo Workshop (August 10-12) • London Ajax August 10 • JSConf.eu, Berlin, late September • JAOO, early October, Denmark Wednesday, July 14, 2010
  • 13. Resources • APE http://www.ape-project.org/ • Meteor http://meteorserver.org/ • Caplin Liberator: http:// • Nirvana http://www.my- www.caplin.com/caplin_liberator.php channels.com/products/nirvana.html • cometD-Jetty http://cometd.com/ • Node.js http://nodejs.org/ • DWR http://directwebremoting.org/ • Orbited http://orbited.org • ErlyComet http://code.google.com/p/ • Persevere http://www.persvr.org/ erlycomet/ • Tornado http://github.com/facebook/ • Hookbox http://hookbox.org/ tornado/ • Lightstreamer http:// • WebSync http://frozenmountain.com/ lightstreamer.com/ Wednesday, July 14, 2010
  • 14. Resources • http://cometdaily.com/ @cometdaily • http://www.meetup.com/londonajax/ calendar/13682478/ • http://skillsmatter.com/ Wednesday, July 14, 2010
  • 15. Thanks! to the panelists Wednesday, July 14, 2010