draft-ietf-mmusic-mux-exclusive-05.txt   draft-ietf-mmusic-mux-exclusive-06.txt 
Network Working Group C. Holmberg Network Working Group C. Holmberg
Internet-Draft Ericsson Internet-Draft Ericsson
Updates: 5761 (if approved) June 3, 2016 Updates: 5761 (if approved) June 9, 2016
Intended status: Standards Track Intended status: Standards Track
Expires: December 5, 2016 Expires: December 11, 2016
Indicating Exclusive Support of RTP/RTCP Multiplexing using SDP Indicating Exclusive Support of RTP/RTCP Multiplexing using SDP
draft-ietf-mmusic-mux-exclusive-05 draft-ietf-mmusic-mux-exclusive-06
Abstract Abstract
This document defines a new SDP media-level attribute, 'rtcp-mux- This document defines a new SDP media-level attribute, 'rtcp-mux-
only', that can be used by an endpoint to indicate exclusive support only', that can be used by an endpoint to indicate exclusive support
of RTP/RTCP multiplexing. The document also updates RFC 5761, by of RTP/RTCP multiplexing. The document also updates RFC 5761, by
clarifying that an offerer can use a mechanism to indicate that it is clarifying that an offerer can use a mechanism to indicate that it is
not able to send and receive RTCP on separate ports. not able to send and receive RTCP on separate ports.
Status of This Memo Status of This Memo
skipping to change at page 1, line 35 skipping to change at page 1, line 35
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 December 5, 2016. This Internet-Draft will expire on December 11, 2016.
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
skipping to change at page 4, line 6 skipping to change at page 4, line 6
In an SDP answer, the 'rtcp-mux-only' attribute indicates that the In an SDP answer, the 'rtcp-mux-only' attribute indicates that the
answerer supports, and accepts usage of, RTP/RTCP multiplexing for answerer supports, and accepts usage of, RTP/RTCP multiplexing for
the RTP-based media associated with the SDP media description ("m=" the RTP-based media associated with the SDP media description ("m="
line). line).
The usage of the SDP 'rtcp-mux-only' attribute is only defined for The usage of the SDP 'rtcp-mux-only' attribute is only defined for
RTP-based media. RTP-based media.
The mux category [I-D.ietf-mmusic-sdp-mux-attributes] for the 'rtcp- The mux category [I-D.ietf-mmusic-sdp-mux-attributes] for the 'rtcp-
mux-only' attribute is 'NORMAL', which means that the attribute can mux-only' attribute is 'IDENTICAL', which means that the attribute,
be associated with an individual media description, even if the media if used within a BUNDLE group
description is multiplexed with other media descriptions [I-D.ietf-mmusic-sdp-bundle-negotiation], must be associated with all
[I-D.ietf-mmusic-sdp-bundle-negotiation] with which the attribute is multiplexed RTP-based media descriptions within the BUNDLE group.
not associated.
The 'rtcp-mux-only' attribute applies to the whole associated media The 'rtcp-mux-only' attribute applies to the whole associated media
description. The attribute MUST NOT be defined per source (using the description. The attribute MUST NOT be defined per source (using the
SDP 'ssrc' attribute [RFC5576]). SDP 'ssrc' attribute [RFC5576]).
The SDP offer/answer [RFC3264] procedures associated with the The SDP offer/answer [RFC3264] procedures associated with the
attribute are defined in Section 4 attribute are defined in Section 4
4. SDP Offer/Answer Procedures 4. SDP Offer/Answer Procedures
skipping to change at page 9, line 25 skipping to change at page 9, line 25
9. Acknowledgments 9. Acknowledgments
Thanks to Roman Shpount, Paul Kyzivat, Ari Keranen, Bo Burman, Tomas Thanks to Roman Shpount, Paul Kyzivat, Ari Keranen, Bo Burman, Tomas
Frankkila and Martin Thomson for their comments and input on the Frankkila and Martin Thomson for their comments and input on the
document. document.
10. Change Log 10. Change Log
[RFC EDITOR NOTE: Please remove this section when publishing] [RFC EDITOR NOTE: Please remove this section when publishing]
Changes from draft-ietf-mmusic-rtcp-mux-exclusive-05
o Editorial fix.
Changes from draft-ietf-mmusic-rtcp-mux-exclusive-04 Changes from draft-ietf-mmusic-rtcp-mux-exclusive-04
o Changes based on comments from Flemming Andreasen. o Changes based on comments from Flemming Andreasen.
o - Attribute mux category changed to IDENTICAL. o - Attribute mux category changed to IDENTICAL.
o - Reference to draft-5245bis changed to RFC 5245. o - Reference to draft-5245bis changed to RFC 5245.
Changes from draft-ietf-mmusic-rtcp-mux-exclusive-03 Changes from draft-ietf-mmusic-rtcp-mux-exclusive-03
 End of changes. 6 change blocks. 
9 lines changed or deleted 12 lines changed or added

This html diff was produced by rfcdiff 1.45. The latest version is available from http://tools.ietf.org/tools/rfcdiff/