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IETF RFC 6642
[ACTIVE]

RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report

Metadata

Publisher
IETF
Doc Type
Standard
Pages
13
Abstract
In a large RTP session using the RTP Control Protocol (RTCP) feedback mechanism defined in RFC 4585, a feedback target may experience transient overload if some event causes a large number of receivers to send feedback at once. This overload is usually avoided by ensuring that feedback reports are forwarded to all receivers, allowing them to avoid sending duplicate feedback reports. However, there are cases where it is not recommended to forward feedback reports, and this may allow feedback implosion. This memo discusses these cases and defines a new RTCP Third-Party Loss Report that can be used to inform receivers that the feedback target is aware of some loss event, allowing them to suppress feedback. Associated Session Description Protocol (SDP) signaling is also defined. [STANDARDS-TRACK]
Publication Date
2012-06-01
Status Note
Proposed Standard
DOI
10.17487/RFC6642
Link
https://doi.org/10.17487/RFC6642
Author(s)
Qin Wu
Frank Xia
Roni Even
Keyword(s)
Feedback Suppression, NACK, Retransmission
Latest version of IETF RFC 6642

Document Versions — IETF RFC 6642

  • ▶ IETF RFC 6642 (2012-06-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

Bibliographic Reference(s)

  • Van Caenegem, T., Ver Steeg, B., and A. Begen, "Retransmission for Source-Specific Multicast (SSM) Sessions", Work in Progress, May 2011. EXTERNAL
  • Wu, Q., Hunt, G., and P. Arden, "Monitoring Architectures for RTP", Work in Progress, May 2012. EXTERNAL
  • IETF RFC 4587 [Active*]
  • IETF RFC 5117 [Superseded*]
  • IETF RFC 5760 [Active*]
  • IETF RFC 6285 [Active*]
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IETF RFC 6642, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report. Available at https://doi.org/10.17487/RFC6642
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IETF RFC 6642, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report. Available at https://doi.org/10.17487/RFC6642

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IETF RFC 6642, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report. Available at https://doi.org/10.17487/RFC6642
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<span class="citation"><cite>IETF RFC 6642</cite>, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report. Available at <a href="https://doi.org/10.17487/RFC6642" target="_blank" rel="noopener">https://doi.org/10.17487/RFC6642</a></span>

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IETF RFC 6642, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report
doi: 10.17487/RFC6642
url: https://doi.org/10.17487/RFC6642
Snippet:
<li>
<cite id="bib-rfc6642">IETF RFC 6642</cite>, RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report
<span class="doi">10.17487/RFC6642</span>
</li>

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