draft-ietf-avtcore-5761-update-03.txt   draft-ietf-avtcore-5761-update-04.txt 
Network Working Group C. Holmberg Network Working Group C. Holmberg
Internet-Draft Ericsson Internet-Draft Ericsson
Updates: 5761 (if approved) September 21, 2016 Updates: 5761 (if approved) September 22, 2016
Intended status: Standards Track Intended status: Standards Track
Expires: March 25, 2017 Expires: March 26, 2017
Updates to RFC 5761 Updates to RFC 5761
draft-ietf-avtcore-5761-update-03.txt draft-ietf-avtcore-5761-update-04.txt
Abstract Abstract
This document updates RFC 5761 by clarifying the SDP offer/answer This document updates RFC 5761 by clarifying the SDP offer/answer
negotiation of RTP and RTCP multiplexing. It makes it clear that an negotiation of RTP and RTCP multiplexing. It makes it clear that an
answerer can only include an "a=rtcp-mux" attribute in an SDP answer answerer can only include an "a=rtcp-mux" attribute in an SDP answer
if the associated SDP offer contained the attribute. if the associated SDP offer contained the attribute.
Status of This Memo Status of This Memo
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 25, 2017. This Internet-Draft will expire on March 26, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2016 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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including the RTCP bandwidth. including the RTCP bandwidth.
4. Security Considerations 4. Security Considerations
The security considerations for RTP and RTCP multiplexing are The security considerations for RTP and RTCP multiplexing are
described in RFC 5761. This specification does not impact those described in RFC 5761. This specification does not impact those
security considerations. security considerations.
5. IANA Considerations 5. IANA Considerations
This specification makes no requests from IANA. IANA is requested to add a reference to this document for the add-
field (media level only) registration "rtcp-mux" in Session
Description Protocol (SDP) Parameters registry.
6. Acknowledgements 6. Acknowledgements
Thanks to Colin Perkins, Magnus Westerlund, Paul Kyzivat, Roni Even Thanks to Colin Perkins, Magnus Westerlund, Paul Kyzivat, Roni Even
for providing comments on the document. Thomas Belling provided for providing comments on the document. Thomas Belling provided
useful input in the discussions that took place in 3GPP and resulated useful input in the discussions that took place in 3GPP and resulated
in the submission of the document. Elwyn Davies performed the Gen- in the submission of the document. Elwyn Davies performed the Gen-
ART review. ART review.
7. Change Log 7. Change Log
[RFC EDITOR NOTE: Please remove this section when publishing] [RFC EDITOR NOTE: Please remove this section when publishing]
Change from -02 Change from -02
o Addition to IANA Considerations.
Change from -02
o Editorial change based on Gen-ART review of Elwyn Davis o Editorial change based on Gen-ART review of Elwyn Davis
(https://www.ietf.org/mail-archive/web/gen-art/current/ (https://www.ietf.org/mail-archive/web/gen-art/current/
msg13713.html). msg13713.html).
Change from -01 Change from -01
o pre-RFC5378 disclaimer added. o pre-RFC5378 disclaimer added.
Change from -00 Change from -00
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