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IETF RFC 7713
[ACTIVE]

Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements

Metadata

Publisher
IETF
Doc Type
Informational
Pages
30
Abstract
This document describes an abstract mechanism by which senders inform the network about the congestion recently encountered by packets in the same flow. Today, network elements at any layer may signal congestion to the receiver by dropping packets or by Explicit Congestion Notification (ECN) markings, and the receiver passes this information back to the sender in transport-layer feedback. The mechanism described here enables the sender to also relay this congestion information back into the network in-band at the IP layer, such that the total amount of congestion from all elements on the path is revealed to all IP elements along the path, where it could, for example, be used to provide input to traffic management. This mechanism is called Congestion Exposure, or ConEx. The companion document, "Congestion Exposure (ConEx) Concepts and Use Cases" (RFC 6789), provides the entry point to the set of ConEx documentation.
Publication Date
2015-12-01
Status Note
Informational
DOI
10.17487/RFC7713
Link
https://doi.org/10.17487/RFC7713
Author(s)
Matt Mathis
Bob Briscoe
Keyword(s)
Quality Of Service, QoS, Congestion Control, Signaling, Encoding, Audit, Policing
Latest version of IETF RFC 7713

Document Versions — IETF RFC 7713

  • ▶ IETF RFC 7713 (2015-12-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 7713, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements. Available at https://doi.org/10.17487/RFC7713
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IETF RFC 7713, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements. Available at https://doi.org/10.17487/RFC7713

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IETF RFC 7713, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements. Available at https://doi.org/10.17487/RFC7713
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<span class="citation"><cite>IETF RFC 7713</cite>, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements. Available at <a href="https://doi.org/10.17487/RFC7713" target="_blank" rel="noopener">https://doi.org/10.17487/RFC7713</a></span>

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IETF RFC 7713, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements
doi: 10.17487/RFC7713
url: https://doi.org/10.17487/RFC7713
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<li>
<cite id="bib-rfc7713">IETF RFC 7713</cite>, Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements
<span class="doi">10.17487/RFC7713</span>
</li>

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