Pretty much the opposite of server-side push, also known as Comet. I’m wondering if it is possible to use long lived HTTP connections to push information to the server.
Unlike a simple XHR, the connection would be kept alive and data would be streamed to the server at intervals, as the user completes actions etc.
Using standard technologies I don’t believe this is possible, but I’m open to suggestions on possible exploitations or ingenious ways of accomplishing this. The purpose would be to complete low-latency data pushes to the server for fast and efficient one-directional streaming.
I’m not interested in using socket implementations with flash/java bridges because of the hassle of serving cross domain policies or getting the java signed. Crude hacks that work without additional dependencies are welcome. Preferably the solution would be done with javascript.
I once saw a talk by the guy behind http://orbited.org/
It’s a js library that uses standard technology to keep a connection open between the server and the client you can push stuff down.