Realtime Web 간보기

Realtime Web (Useful Paradigm) http://usefulparadigm.com

HTTP + Realtime = ?

Periodic Refresh (Ajax Polling)Broswer Server request response Event (state change) request response request response

Comet (Streaming)Broswer Server request Event (state change) response(part) Event (state change) response(part)

Comet (Long Polling)Broswer Server request response request response Event (state change) request response

Comet ImplementationsBayeux * : Comet Maturity Guide (http://cometdaily.com/maturity.html)

An Integration Example Web App. Framework STOMP Orbited MQ (like Rails, Django ..) HTTP Comet (TCPSocket) Browser

WebHookBroswer Server request Event (state change) POST Callback * cf. PubSubHubbub: http://code.google.com/p/pubsubhubbub/

XMPP• Message stanza• Presense stanza• IQ stanza

BOSH(Bidirectional-streams Over Synchronous HTTP)

Juggernaut(http://juggernaut.rubyforge.org/)ﬂashobject push server

Long long time ago..

Return of the Socket HTML5 WebSocket* : http://www.ﬂickr.com/photos/54873020@N00/3179059081/

by Sukjoon Kim