[Sigtran] Number of streams in SCTP Association

aditi someshwar <aditi.someshwar@gmail.com> Mon, 20 June 2011 13:30 UTC

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Date: Mon, 20 Jun 2011 19:00:52 +0530
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From: aditi someshwar <aditi.someshwar@gmail.com>
To: sigtran@ietf.org
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Subject: [Sigtran] Number of streams in SCTP Association
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Dear all,


Need one clarification please:


NUMBER OF STREAMS WITHIN AN SCTP ASSOCIATION - In quite a few RFCs, it is
mentioned that the NUMBER OF STREAMS within one SCTP Association can be USER
DEFINED, & that the two end-nodes NEGOTIATE these at the time "Association
Set Up". However, REPEATEDLY, these RFCs also suggest that STREAM 0 shall be
used for interchange of CONTROL MESSAGES while STREAM 1 (Note: They call it
STREAM-1, & NOT "other than Stream 0") carries Data.

It is NOT very clear if the RFCs THEMSELVES are specifying / suggesting that
AT MAX, there should be ONLY TWO STREAMs OR is it more a DEFAULT by most
PRODUCT MANUFACTURERS who have (to keep matters less complex) decided to
IMPLEMENT only TWO STREAMS.


Thanks and Regards,

Aditi