A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Guidelines for Choosing an RTP Control Protocol (RTCP) Canonical Name (CNAME) for Hosts with Private IP Addresses
Author(s) : A. Begen, C. Perkins
Filename : draft-begen-avt-rtp-cnames-00.txt
Pages : 4
Date : 2010-04-14
The RTP Control Protocol (RTCP) Canonical Name (CNAME) is a
persistent transport-level identifier for an RTP endpoint. While the
Synchronisation Source (SSRC) identifier of an RTP endpoint may
change if a collision is detected, or when the RTP application is
restarted, the CNAME is meant to stay unchanged, so that RTP
endpoints can be uniquely identified and associated with their RTP
media streams. For proper functionality, CNAMEs should be unique
within the participants of an RTP session. The recommendations for
choice of the RTCP CNAME provided in RFC 3550 are insufficient to
achieve uniqueness in some environments, particularly private IP
networks. This memo updates the guidelines in RFC 3550 to allow
endpoints to choose unique CNAMEs in these environments.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-begen-avt-rtp-cnames-00.txt
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