Pieter Hintjens wrote: > Clearly since port 80 is often the > only way in or out of a network, upgrades over HTTP are essential for > pragmatic reasons. Pragmatically, if upgrade over HTTP isn't used, application developers will just carry on using long-polling over HTTP instead. Which is perfectly valid, if unpleasant. (Btw, you should have seen the network where ICMP ECHO was the only way in and out. The administrators were curious why I had fast web access and nobody else did, and also curious why their packet stats showed more ICMP ECHOs than any other kind of packets :-) -- Jamie
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