flash

http://all-streaming-media.com/faq/recording-media-stream/faq-record-download-capture-save-flash-flv-video-rtmp.htm

http://playerio.com/documentation/tutorials/building-flash-multiplayer-games-tutorial/synchronization http://helpx.adobe.com/flash/kb/pass-variables-swfs-flashvars.html http://www.stencyl.com/help/view/web-requests/