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by kodablah 4461 days ago
I agree this is a problem. From what I understand SCTP can be TCP and is more reliable but cannot be proxied via a TURN server since it's UDP only. I am experimenting with WebRTC and I built a fallback over websockets but I find myself encrypting the data client side to avoid trust issues because I don't have access to the encryption mechanisms baked into WebRTC. I think there needs to be a pluggable fallback mechanism when all the ICE servers are exhausted.
2 comments
mike__t 4461 days ago
Turn servers can also send data over TCP (e.g. https://code.google.com/p/rfc5766-turn-server/ does). The browser also needs to support this option as well; Chrome seems to with a ";transport=tcp" at the send of the turn server configuration url.
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kodablah 4461 days ago
My mistake, I see that now [1]. It seems both sides need to specify that which isn't a problem. Also seems FF is on board [2][3].

1 - https://groups.google.com/forum/#!topic/turn-server-project-... 2 - https://bugzilla.mozilla.org/show_bug.cgi?id=891551 3 - https://bugzilla.mozilla.org/show_bug.cgi?id=906968

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alexfreska 4461 days ago
Interesting, yes I agree, as much should be exposed as possible to interface with any creative fallbacks people come up with for their system.
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