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IETF RFC 7560
[ACTIVE]

Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback

Metadata

Publisher
IETF
Doc Type
Informational
Pages
17
Abstract
Explicit Congestion Notification (ECN) is a mechanism where network nodes can mark IP packets, instead of dropping them, to indicate congestion to the endpoints. An ECN-capable receiver will feed this information back to the sender. ECN is specified for TCP in such a way that it can only feed back one congestion signal per Round-Trip Time (RTT). In contrast, ECN for other transport protocols, such as RTP/UDP and SCTP, is specified with more accurate ECN feedback. Recent new TCP mechanisms (like Congestion Exposure (ConEx) or Data Center TCP (DCTCP)) need more accurate ECN feedback in the case where more than one marking is received in one RTT. This document specifies requirements for an update to the TCP protocol to provide more accurate ECN feedback.
Publication Date
2015-08-01
Status Note
Informational
DOI
10.17487/RFC7560
Link
https://doi.org/10.17487/RFC7560
Author(s)
Mirja Kühlewind
Richard Scheffenegger
Bob Briscoe
Keyword(s)
Congestion Control, TCP
Latest version of IETF RFC 7560

Document Versions — IETF RFC 7560

  • ▶ IETF RFC 7560 (2015-08-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 7560, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback. Available at https://doi.org/10.17487/RFC7560
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IETF RFC 7560, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback. Available at https://doi.org/10.17487/RFC7560

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IETF RFC 7560, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback. Available at https://doi.org/10.17487/RFC7560
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<span class="citation"><cite>IETF RFC 7560</cite>, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback. Available at <a href="https://doi.org/10.17487/RFC7560" target="_blank" rel="noopener">https://doi.org/10.17487/RFC7560</a></span>

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IETF RFC 7560, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback
doi: 10.17487/RFC7560
url: https://doi.org/10.17487/RFC7560
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<li>
<cite id="bib-rfc7560">IETF RFC 7560</cite>, Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback
<span class="doi">10.17487/RFC7560</span>
</li>

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