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[SCTP-Discussion] Question about Ports negotiation with SCTP


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  • From: "Natalino Biundo" <natalino.biundo AT marconi.com>
  • To: discussion AT sctp.de
  • Subject: [SCTP-Discussion] Question about Ports negotiation with SCTP
  • Date: Thu Apr 11 10:07:01 2002
  • List-id: SCTP Discussions <discussion.sctp.de>

Hi all,

First of all, I apologise for my question that may appear obvious to the
SCTP experts.

We are evaluating migration from TCP to SCTP in our embedded system based
on a Client/Server architecture.

Reading the RFC 2960 and several tutorials seems that, in order to
establish an association between two endpoints, the SCTP port number of
the Server must be known by the Client when initiates the association and
never changes.

On the contrary, TCP protocol requires a Server pre-defined port number
only during the association phase and allows to negotiate the Server
"working" port number to be used during the "stable connection" phase.

The question is : Is something similar to the TCP behaviour possible with
SCTP ?

Many thanks in advance

Natalino Biundo
Marconi Mobile S.p.A











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