draft-ietf-mmusic-sdp-bundle-negotiation-14.txt   draft-ietf-mmusic-sdp-bundle-negotiation-15.txt 
MMUSIC Working Group C. Holmberg MMUSIC Working Group C. Holmberg
Internet-Draft Ericsson Internet-Draft Ericsson
Updates: 3264 (if approved) H. Alvestrand Updates: 3264 (if approved) H. Alvestrand
Intended status: Standards Track Google Intended status: Standards Track Google
Expires: June 22, 2015 C. Jennings Expires: July 20, 2015 C. Jennings
Cisco Cisco
December 19, 2014 January 16, 2015
Negotiating Media Multiplexing Using the Session Description Protocol Negotiating Media Multiplexing Using the Session Description Protocol
(SDP) (SDP)
draft-ietf-mmusic-sdp-bundle-negotiation-14.txt draft-ietf-mmusic-sdp-bundle-negotiation-15.txt
Abstract Abstract
This specification defines a new Session Description Protocol (SDP) This specification defines a new Session Description Protocol (SDP)
Grouping Framework extension, 'BUNDLE'. The extension can be used Grouping Framework extension, 'BUNDLE'. The extension can be used
with the SDP Offer/Answer mechanism to negotiate the usage of a with the SDP Offer/Answer mechanism to negotiate the usage of a
single address:port combination (BUNDLE address) for receiving media, single address:port combination (BUNDLE address) for receiving media,
referred to as bundled media, associated with multiple SDP media referred to as bundled media, associated with multiple SDP media
descriptions ("m=" lines). descriptions ("m=" lines).
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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-
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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 June 22, 2015. This Internet-Draft will expire on July 20, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2015 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
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the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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8.5.2. Suggesting a new offerer BUNDLE address 8.5.2. Suggesting a new offerer BUNDLE address
When an offerer generates an offer, in which it suggests a new When an offerer generates an offer, in which it suggests a new
offerer BUNDLE address [Section 8.2.2], the offerer MUST: offerer BUNDLE address [Section 8.2.2], the offerer MUST:
o Assign the address (shared address) to each "m=" line within the o Assign the address (shared address) to each "m=" line within the
BUNDLE group; or BUNDLE group; or
o Assign the address (unique address) to one bundled "m=" line. o Assign the address (unique address) to one bundled "m=" line.
In addition, the offerer MUST indicate that the offerer suggests In addition, the offerer MUST indicate that the address is the new
address as the new offerer BUNDLE address [Section 8.2.2] suggested offerer BUNDLE address [Section 8.2.2].
NOTE: Unless the offerer assigns the new suggested offerer BUNDLE NOTE: Unless the offerer assigns the new suggested offerer BUNDLE
address to each bundled "m=" line, it can assign unique addresses to address to each bundled "m=" line, it can assign unique addresses to
any number of bundled "m=" lines (and the previously selected offerer any number of bundled "m=" lines (and the previously selected offerer
BUNDLE address to any remaining bundled "m=" line) if it wants to BUNDLE address to any remaining bundled "m=" line) if it wants to
suggest multiple alternatives for the new offerer BUNDLE address. suggest multiple alternatives for the new offerer BUNDLE address.
8.5.3. Adding a media description to a BUNDLE group 8.5.3. Adding a media description to a BUNDLE group
When an offerer generates an offer, in which it wants to add a When an offerer generates an offer, in which it wants to add a
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Alvestrand proposal. Alvestrand proposal.
Thanks to Paul Kyzivat, Martin Thomson, Flemming Andreasen, Thomas Thanks to Paul Kyzivat, Martin Thomson, Flemming Andreasen, Thomas
Stach and Ari Keraenen for taking the time to read the text along the Stach and Ari Keraenen for taking the time to read the text along the
way, and providing useful feedback. way, and providing useful feedback.
18. Change Log 18. 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-sdp-bundle-negotiation-14
o - Editorial changes.
Changes from draft-ietf-mmusic-sdp-bundle-negotiation-13 Changes from draft-ietf-mmusic-sdp-bundle-negotiation-13
o Changes to allow a new suggested offerer BUNDLE address to be o Changes to allow a new suggested offerer BUNDLE address to be
assigned to each bundled m- line. assigned to each bundled m- line.
o Changes based on WGLC comments from Paul Kyzivat o Changes based on WGLC comments from Paul Kyzivat
o - Editorial fixes o - Editorial fixes
Changes from draft-ietf-mmusic-sdp-bundle-negotiation-12 Changes from draft-ietf-mmusic-sdp-bundle-negotiation-12
 End of changes. 7 change blocks. 
7 lines changed or deleted 11 lines changed or added

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