we have some administrational webapp for a live chat system, and need to monitor the chat messages in realtime, amongst other events.
the events are stored in a mysql database.
what would be the best technology to handle a lot of frequent (near-realtime - every second) updates to the browser?
e.g. is there a way to use flex to stream textual data without LiveCycle Data Services (because it seems rather expensive and overpowered for this limited use case) - what about BlazeDS?
(note: see my other question http://www.experts-exchange.com/Programming/Languages/Scripting/AJAX/Q_24327993.html
for info on the current AJAX implementation and its problems)
limitations: must work on linux/apache/PHP/java (no microsoft)