On Oct 17, 2007, at 5:54 PM, Hadriel Kaplan wrote:
Why does there need to be a 3-way exchange?
Can the 200-ok have Events listed that weren't offered? (why would
it bother to? The offerer didn't say it could do them.)
So isn't the ACK always a mirror image of the 200ok, in which case
why bother?
Unless you had competing Event types, where only one should be
used, or couldn't do some combo of them. And then this concept is
getting bloated, and will end up looking like SDP capabilities
negotiation.
The only argument I can see is -- it prevents race conditions. Don't
send an event until the ACK.
And I'm still stuck on your last question, which is what
application use-case really needs directionality, other than as a nit?
Yeah, me too. Or to rephrase, what application needs "I want to
send . . ." rather than "I understand . . ."
--
dean
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