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This draft is a work item of the Session Initiation Protocol
Working Group of the IETF.
Title : Connection Reuse in the Session Initiation
Protocol (SIP)
Author(s) : R. Mahy, et al.
Filename : draft-ietf-sip-connect-reuse-06.txt
Pages : 21
Date : 2006-8-21
When SIP entities use a connection oriented protocol to send
a
request, they typically originate their connections from an
ephemeral
port. The SIP protocol includes mechanisms which insure
that
responses to a request, and new requests sent in the
original
direction reuse an existing connection. However, new
requests sent
in the opposite direction are unlikely to reuse the existing
connection. This frequently causes a pair of SIP entities
to use one
connection for requests sent in each direction, and can
result in
potential scaling and performance problems. This document
proposes
requirements and a mechanism which address this deficiency
in
environments where the connection could be opened in either
direction.
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-ietf-sip-connect-reuse-06.txt
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