-----Original Message-----
From: simple-bounces at ietf.org [mailto:simple-bounces at ietf.org] On
Behalf
Of Ben Campbell
How does the COMEDIA negotiation interact with the TCP-connection-
sharing features of MSRP? We negotiate sessions in the SDP offer/
answer, not connections per se. COMEDIA implicitly assumes a one-to-
one correspondence between these, but MSRP explicitly allows
multiple
sessions to use the same TCP connection.
I can see two approaches. One would be that the COMEDIA attributes
are
only relevant if you have to create a new connection. If a reusable
connection already exists, you just use it. Alternatively, we could
state that a connection is only reuseable if it's direction matches
the COMEDIA attributes, and if devices wanted to reuse an existing
connection, they would either omit COMEDIA entirely, or choose
COMEDIA
attributes that match the connection.
Neither of those approaches seems obviously wrong to me. I suspect
there may be some traps here, though--we should analyze this pretty
closely.
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