Cullen Jennings wrote:

Different overlay might want to have different ways of deciding how to find TURN servers and identifying what servers should be TURN servers._______________________________________________
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I think this issue should be split up:

1) should service discovery be part of the base protocol? If so, what service discovery algorithm should be specified? (the current draft mentions ReDIR and describes a very simple mechanism for discovering TURN servers, which should work well for a known density of TURN servers)

2) should a mechanism for identifying the ability to be a TURN server be specified?


It adds complexity, but I'm afraid that there should probably be a mandatory service discovery algorithm for (1). The existing algorithm in Section 9 actually isn't too bad if you can estimate the density parameters in advance. It's certainly easier than requiring everything to implement ReDIR. Is it good enough?

I would really, really like to label (2) as out of scope for the base (or mandatory portion of) protocol.

Bruce

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