On Fri, 2005-10-14 at 16:13 +0800, Leslie, Qi Wang (qiwa) wrote: > In Internet-Draft, SCTP as a Transport for SIP, > draft-ietf-sip-sctp-06.txt, there is a paragraph, > "SIP transactions need to be mapped into SCTP streams in a way that > avoids Head Of the Line (HOL) blocking. Among all the different ways > of performing this mapping that fulfil this requirement, we have > chosen the simplest one; a SIP entity SHOULD send every SIP message > (request or response) over stream zero with the unordered flag set. > On the receiving side, a SIP entity MUST be ready to receive SIP > messages over any stream." > > Does anyone know why the draft requires "a SIP entity SHOULD send every > SIP message (request or response) over stream zero with the unordered > flag set."?
"Among all the different ways of performing this mapping that fulfil [sic] this requirement, we have chosen the simplest one" > My understanding is we should set one SIP call into one SCTP > stream. If the number of SIP calls is more than the number of streams in > the SCTP, multiple calls can be in one stream with unorded flag set. So > I don't understand why there is such a requirement in the draft. Would your suggested scheme be simpler or more complicated? Would it provide additional functionality? Dale _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
