http-streaming

jQuery read AJAX stream incrementally?

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This is quite straightforward when outputting text or HTML. Below is an example. (You’ll run into issues if trying to output JSON however, which I’ll tackle further down.) PHP FILE header(‘Content-type: text/html; charset=utf-8’); function output($val) { echo $val; flush(); ob_flush(); usleep(500000); } output(‘Begin… (counting to 10)’); for( $i = 0 ; $i < 10 ; … Read more

My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

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There are more differences than the ones you have identified. Duplex/directional: Uni-directional: HTTP poll, long poll, streaming. Bi-direcitonal: WebSockets, plugin networking In order of increasing latency (approximate): WebSockets Plugin networking HTTP streaming HTTP long-poll HTTP polling CORS (cross-origin support): WebSockets: yes Plugin networking: Flash via policy request (not sure about others) HTTP * (some recent … Read more

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