Question

Please don't say bonjour. The best guess I can gather is XMPP, but I don't think thats right

Was it helpful?

Solution

iChat does use Bonjour (which is a multicast-DNS based service discovery protocol) to find other nodes when they're on the same LAN. For remote chat it uses XMPP.

It uses SIP (and RTP?) for the actual chat and audio / video sessions.

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