Laug comet intro july 2010

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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Laug comet intro july 2010

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