54 th IETFMMUSIC WG1 54 th IETF – Yokohama 18 July 2002.

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Presentation transcript:

54 th IETFMMUSIC WG1 54 th IETF – Yokohama 18 July 2002

54 th IETFMMUSIC WG2 All Presenters: Please send us a copy of your slides (if you have not done so already)

54 th IETFMMUSIC WG3 All Presenters: You MUST notify the group of any IPR associated with your draft!

54 th IETFMMUSIC WG4 NOTE WELL All statements related to the activities of the IETF and addressed to the IETF are subject to all provisions of Section 10 of RFC 2026, which grants to the IETF and its participants certain licenses and rights in such statements. Such statements include verbal statements in IETF meetings, as well as written and electronic communications made at any time or place, which are addressed to the IETF plenary session, any IETF working group or portion thereof, the IESG, or any member thereof on behalf of the IESG, the IAB or any member thereof on behalf of the IAB, any IETF mailing list, including the IETF list itself, any working group or design team list, or any other list functioning under IETF auspices, the RFC Editor or the Internet-Drafts function Statements made outside of an IETF meeting, mailing list or other function, that are clearly not intended to be input to an IETF activity, group or function, are not subject to these provisions.

54 th IETFMMUSIC WG5 MMUSIC Agenda (1) 0900Agenda Bashing & Status Update (chairs) Recent RFCs Documents close to completion Charter issues 0915SDP Source Filters (chairs) draft-ietf-mmusic-sdp-srcfilter-01.txt 0920SDPng Update (Kutscher) draft-ietf-mmusic-sdpng-05.txt 0935SDPng: Video Payload Support (Klemets)

54 th IETFMMUSIC WG6 MMUSIC Agenda (2) 0950MMUSIC: Conference/Media Control (chairs) 1005SDP Attributes for Media Control (Even) draft-even-mmusic-video-media-control-00.txt 1020Metadata Update Protocol (Nomura, chairs) draft-nomura-mmusic-pguide-requirements-00.txt draft-nomura-cdi-mmusic-mupdate-00.txt 1035Revised RTSP Spec (Westerlund) draft-ietf-mmusic-rfc2326bis-01.txt 1130Wrap-up (chairs)

54 th IETFMMUSIC WG7 WG Status Recent RFCs RFC 3259:Message Bus Transport RFC 3264:Offer / Answer RFC 3266:SDP for IPv6 In IETF Last Call draft-ietf-mmusic-fid-06.txt draft-andreasen-mmmusic-sdp-simcap-05.txt draft-ietf-mmusic-sdp-new-10.txt

54 th IETFMMUSIC WG8 WG Status (2) Further Finished Stuff draft-ietf-mmusic-sdp-comedia-03.txt draft-ietf-mmusic-sdp4nat-02.txt draft-ietf-mmusic-sdp-kmgmt-ext-05.txt Other WG Documents –SDPng Transition draft-ietf-mmusic-sdpng-trans-01.txt –Misc RTSP Stuff –GFMTP draft-rajeshkumar-mmusic-gfmtp-02.txt –SDP Source Filters draft-ietf-mmusic-sdp-srcfilter-01.txt

54 th IETFMMUSIC WG9 WG Milestones SDP simcap for PS SDP FID for PS IPv6 Extensions to SDP for PS Revised SDP spec for PS (or Draft) SIP's offer/answer use for Proposed SDP4NAT for PS SDP key management for Proposed SDPng transitionwell on its way SDPng base spec for PSclose to completion SDPng audio profile for PSclose to completion Revised RTSP specwill take some more time RTSP MIByet to be done

54 th IETFMMUSIC WG10 Potential Work Items Dissemination of Program Scheduling Information (EPGs) Conference Control –Floor control –Media control –Interactive real-time control (RTSP extensions) –... Out-of-scope for current charter –Correct home yet to be decided... Need to do some charter update...

54 th IETFMMUSIC WG11 SDP Source Filters Revived after two years Fairly straightforward Suitable for supporting SSM Read it!

54 th IETFMMUSIC WG12 SDP Key Management draft-ietf-mmusic-kmgmt-ext-05.txt Basically done, but... Philosophical argument over encoding kmgmt attributes –Explicitly in SDP –Tunneled in a blob in SDP Pick one!

54 th IETFMMUSIC WG13 Conference / Media Control Navigating spatially in media streams –Select resolution, area,... –Potential extension of RTSP Conference / floor control –Origin: Conferencing for SIP –Joint work with SIPPING –Do the requirements first –Design new / use of existing protocol Commands / indications –Media stream control for video conferencing –Possibly media mixing matrix control –Other control aspects: camera control,...? What fits on our plate / in our charter?

54 th IETFMMUSIC WG14 Session Announcements and Notifications

54 th IETFMMUSIC WG15 Two Proposals draft-nomura-cdi-mmusic-mupdate –Points to MPEG-7 for meta information –Uses SIP NOTIFY messages to indicate availability of updates –Uses e.g. HTTP to fetch updated EPGs Why MMUSIC? DVB/IPI Working group –Uses SDPng for describing session –Uses SAP for pushing announcements –Uses HTTP for retrieval

54 th IETFMMUSIC WG16 Possible Way Ahead Both approaches have merit –Choose a hybrid solution What is needed? –Content format SDPng, MPEG-7, others Don’t mandate a single one; keep it open –Content-indirection format –Retrieval and distribution models Push for Multicast Notifications for Unicast Client-server retrieval for both Other… MMUSIC may do the SAP and SDPng parts