London Ajax User Group Meetup: Comet Panel
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Transcript of London Ajax User Group Meetup: Comet Panel
London Ajax User GroupJuly 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
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Format
• Quick Intro
• Panel (Questions at http://bit.ly/aMjyaP)
• Prizes
• Pub
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Tonight
• 18:00 Meet & Greet
• 18:20 Intro
• 18:30 Panel
• 19:55 Prizes & Future Events
• 20:00 Pub
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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
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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.)
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Comet Examples
• Quick Example: http://dylan.io/graph.php
• Chat
• Reporting & Monitoring
• Collaboration
• Trading
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• Alessandro Alinone, Lightstreamer
• Andrew Betts, Meteor Server
• Anthony Catel, APE
• Jerod Venema, WebSync
• Joe Walker, DWR
• Martin Tyler, Liberator
• Simone Bordet, cometD-Jetty
Panelists
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Comet PanelJuly 13, 2010
Concise questions, witty answers.
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PrizesWednesday, July 14, 2010
Future Events• August: Server-side JS
• September: Microtoolkits
• October: Ajax Toolkits Panel
• November: Performance
• December: no event
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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/
• Caplin Liberator: http://www.caplin.com/caplin_liberator.php
• cometD-Jetty http://cometd.com/
• DWR http://directwebremoting.org/
• ErlyComet http://code.google.com/p/erlycomet/
• Hookbox http://hookbox.org/
• Lightstreamer http://lightstreamer.com/
• Meteor http://meteorserver.org/
• Nirvana http://www.my-channels.com/products/nirvana.html
• Node.js http://nodejs.org/
• Orbited http://orbited.org
• Persevere http://www.persvr.org/
• Tornado http://github.com/facebook/tornado/
• WebSync http://frozenmountain.com/
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Resources
• http://cometdaily.com/ @cometdaily
• http://www.meetup.com/londonajax/calendar/13682478/
• http://skillsmatter.com/
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Thanks!to the panelists
Wednesday, July 14, 2010