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IETF RFC 5696
[SUPERSEDED]

Baseline Encoding and Transport of Pre-Congestion Information

Metadata

Publisher
IETF
Doc Type
Standard
Pages
15
Abstract
The objective of the Pre-Congestion Notification (PCN) architecture is to protect the quality of service (QoS) of inelastic flows within a Diffserv domain. It achieves this by marking packets belonging to PCN-flows when the rate of traffic exceeds certain configured thresholds on links in the domain. These marks can then be evaluated to determine how close the domain is to being congested. This document specifies how such marks are encoded into the IP header by redefining the Explicit Congestion Notification (ECN) codepoints within such domains. The baseline encoding described here provides only two PCN encoding states: Not-marked and PCN-marked. Future extensions to this encoding may be needed in order to provide more than one level of marking severity. [STANDARDS-TRACK]
Publication Date
2009-11-01
Status Note
Proposed Standard
DOI
10.17487/RFC5696
Link
https://doi.org/10.17487/RFC5696
Author(s)
T Moncaster
Bob Briscoe
Michael Menth
Keyword(s)
Quality Of Service, QoS, DiffServ, Admission Control, Code Point, Protocol
Latest version of IETF RFC 5696

Document Versions — IETF RFC 5696

  • ▶ IETF RFC 5696 (2009-11-01)
    THIS DOC [SUPERSEDED] [LATEST VERSION]

Superseded by:
  • RFC6660 NOT IN REGISTRY

Normative Reference(s)

Bibliographic Reference(s)

  • Moncaster, T., Briscoe, B., and M. Menth, "A PCN encoding using 2 DSCPs to provide 3 or more states", Work in Progress, April 2009. EXTERNAL
  • Briscoe, B., "Tunnelling of Explicit Congestion Notification", Work in Progress, July 2009. EXTERNAL
  • IETF RFC 2474 [Active*]
  • IETF RFC 2597 [Active*]
  • IETF RFC 3246 [Active*]
  • IETF RFC 3540 [Active*]
  • IETF RFC 4301 [Active, Amended*]
  • RFC4594 — SERV-CLASS EXTERNAL
  • RFC5127 — RFC5127 EXTERNAL
  • IETF RFC 5559 [Active*]
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IETF RFC 5696, Baseline Encoding and Transport of Pre-Congestion Information. Available at https://doi.org/10.17487/RFC5696
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IETF RFC 5696, Baseline Encoding and Transport of Pre-Congestion Information. Available at https://doi.org/10.17487/RFC5696

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IETF RFC 5696, Baseline Encoding and Transport of Pre-Congestion Information. Available at https://doi.org/10.17487/RFC5696
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<span class="citation"><cite>IETF RFC 5696</cite>, Baseline Encoding and Transport of Pre-Congestion Information. Available at <a href="https://doi.org/10.17487/RFC5696" target="_blank" rel="noopener">https://doi.org/10.17487/RFC5696</a></span>

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IETF RFC 5696, Baseline Encoding and Transport of Pre-Congestion Information
doi: 10.17487/RFC5696
url: https://doi.org/10.17487/RFC5696
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<cite id="bib-rfc5696">IETF RFC 5696</cite>, Baseline Encoding and Transport of Pre-Congestion Information
<span class="doi">10.17487/RFC5696</span>
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