In the future this can be done with websockets, currently only chrome supports them, but they are part of the html 5 specification. Http://dev.w3.org/html5/websockets/
This post assumes that Kaazing has an average javascript runtime: https://stackoverflow.com/questions/1252829/what-browsers-support-html-5-websocket
I expect the workaround to use something like java or flash to simulate websockets.
Michael
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