[AVTCORE] Fwd: New Version Notification for draft-montagud-avtcore-eed-rtcp-idms-00.txt
Mario Montagud Climent <mamontor@posgrado.upv.es> Mon, 09 February 2015 15:56 UTC
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Date: Mon, 09 Feb 2015 16:56:15 +0100
From: Mario Montagud Climent <mamontor@posgrado.upv.es>
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Subject: [AVTCORE] Fwd: New Version Notification for draft-montagud-avtcore-eed-rtcp-idms-00.txt
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Dear AVTCORE WG members, We have just submitted a new ID proposing new RTCP reporting rules and messages for Inter-Destination Media Synchronization (IDMS), which, in conjunction, we call "Early-Event Driven (EED) RTCP Feedback for IDMS". The rationale of such document is to allow a more strategic and efficient usage of the RTCP channel for IDMS, based on the proposed RTCP extensions in [RFC4585] and in [RFC6051]. The use of EED RTCP Feedback for IDMS is backward compatible with [RFC7272], while it adheres to the RTCP traffic bounds specified in [RFC3550]. In particular, the following key benefits are provided by the proposed EED RTCP Feedback for IDMS: i) earlier correction of out-of-sync situations; ii) higher granularity for synchronizing the presentation of dynamically triggered media-related events (e.g., to ensure that important pieces of media content are simultaneously presented in all the users); iii) ability of dynamically requesting (re-)IDMS setting instructions (e.g., in case of RTCP packet loss); iv) dynamic and rapid accommodation of latecomers in on-going sessions; and v) reduction of channel-change (i.e., zapping) delays. Additionally, this ID also discusses various situations in which the reporting of Reduced-Size RTCP packets [RFC3556] can be applicable and beneficial for IDMS. We have also included some definitions from [RFC3550], [RFC4585] and [RFC6051] for a better understanding of this document. We will deeply appreciate your feedback on this document and a discussion for its consideration as a WG item. Cheers, Mario Montagud PS: A preliminary evalution of such IDMS extensions can be found in "Montagud, M., Boronat, F., Stokking, H., Early Event-Driven (EED) RTCP Feedback for Rapid IDMS, The 21st ACM International Conference on Multimedia (ACM MM 2013), Barcelona (Spain), October 2013". If you are interested in reading this paper, but do not have access, please send me an e-mail. ----- Mensaje reenviado de internet-drafts@ietf.org ----- Fecha: Mon, 09 Feb 2015 07:42:44 -0800 De: internet-drafts@ietf.org Asunto: New Version Notification for draft-montagud-avtcore-eed-rtcp-idms-00.txt Para: Mario Montagud <mamontor@upv.es>, Fernando Boronat <fboronat@dcom.upv.es>, Hans Stokking <hans.stokking@tno.nl> A new version of I-D, draft-montagud-avtcore-eed-rtcp-idms-00.txt has been successfully submitted by Mario Montagud and posted to the IETF repository. Name: draft-montagud-avtcore-eed-rtcp-idms Revision: 00 Title: Early Event-Driven (EED) RTCP Feedback for Rapid IDMS Document date: 2015-02-09 Group: Individual Submission Pages: 25 URL: http://www.ietf.org/internet-drafts/draft-montagud-avtcore-eed-rtcp-idms-00.txt Status: https://datatracker.ietf.org/doc/draft-montagud-avtcore-eed-rtcp-idms/ Htmlized: http://tools.ietf.org/html/draft-montagud-avtcore-eed-rtcp-idms-00 Abstract: RFC 7272 defines two RTCP messages to enable Inter-Destination Media Synchronization (IDMS). However, if such RTCP messages are exchanged using the Regular RTCP reporting rules specified in RFC 3550, unacceptable delays can be originated when exchanging the synchronization information conveyed into RTCP packets. Accordingly, this document proposes Early Event-Driven (EED) RTCP reporting rules and messages to enable higher interactivity, dynamism, flexibility and accuracy when using RTP/RTCP for IDMS. Such IDMS extensions are targeted at providing faster reaction on dynamic situations, such as out-of-sync situations and channel change delays, as well as a finer granularity for synchronizing media-related events, while still adhering to the RTCP bandwidth bounds specified in RFC 3550. Besides, a new RTP/AVPF transport layer feedback message is proposed to allow the request of re-IDMS setting instructions (e.g., in case of RTCP packet loss) as well as rapid accommodation of latecomers in on-going sessions. Finally, this document also discusses various situations in which the reporting of Reduced-Size RTCP packets (RFC 3556) can be applicable and beneficial for IDMS. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat ----- Terminar mensaje reenviado -----
--- Begin Message ---A new version of I-D, draft-montagud-avtcore-eed-rtcp-idms-00.txt has been successfully submitted by Mario Montagud and posted to the IETF repository. Name: draft-montagud-avtcore-eed-rtcp-idms Revision: 00 Title: Early Event-Driven (EED) RTCP Feedback for Rapid IDMS Document date: 2015-02-09 Group: Individual Submission Pages: 25 URL: http://www.ietf.org/internet-drafts/draft-montagud-avtcore-eed-rtcp-idms-00.txt Status: https://datatracker.ietf.org/doc/draft-montagud-avtcore-eed-rtcp-idms/ Htmlized: http://tools.ietf.org/html/draft-montagud-avtcore-eed-rtcp-idms-00 Abstract: RFC 7272 defines two RTCP messages to enable Inter-Destination Media Synchronization (IDMS). However, if such RTCP messages are exchanged using the Regular RTCP reporting rules specified in RFC 3550, unacceptable delays can be originated when exchanging the synchronization information conveyed into RTCP packets. Accordingly, this document proposes Early Event-Driven (EED) RTCP reporting rules and messages to enable higher interactivity, dynamism, flexibility and accuracy when using RTP/RTCP for IDMS. Such IDMS extensions are targeted at providing faster reaction on dynamic situations, such as out-of-sync situations and channel change delays, as well as a finer granularity for synchronizing media-related events, while still adhering to the RTCP bandwidth bounds specified in RFC 3550. Besides, a new RTP/AVPF transport layer feedback message is proposed to allow the request of re-IDMS setting instructions (e.g., in case of RTCP packet loss) as well as rapid accommodation of latecomers in on-going sessions. Finally, this document also discusses various situations in which the reporting of Reduced-Size RTCP packets (RFC 3556) can be applicable and beneficial for IDMS. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat--- End Message ---
- [AVTCORE] Fwd: New Version Notification for draft… Mario Montagud Climent