RFC 6663 on Requirements for Signaling of Pre-Congestion Information in a Diffserv Domain
rfc-editor@rfc-editor.org Thu, 19 July 2012 00:13 UTC
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Subject: RFC 6663 on Requirements for Signaling of Pre-Congestion Information in a Diffserv Domain
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Date: Wed, 18 Jul 2012 17:13:56 -0700
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A new Request for Comments is now available in online RFC libraries. RFC 6663 Title: Requirements for Signaling of Pre-Congestion Information in a Diffserv Domain Author: G. Karagiannis, T. Taylor, K. Chan, M. Menth, P. Eardley Status: Informational Stream: IETF Date: July 2012 Mailbox: g.karagiannis@utwente.nl, tom.taylor.stds@gmail.com, khchan.work@gmail.com, menth@uni-tuebingen.de, philip.eardley@bt.com Pages: 7 Characters: 15316 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-pcn-signaling-requirements-08.txt URL: http://www.rfc-editor.org/rfc/rfc6663.txt Pre-Congestion Notification (PCN) is a means for protecting quality of service for inelastic traffic admitted to a Diffserv domain. The overall PCN architecture is described in RFC 5559. This memo describes the requirements for the signaling applied within the PCN-domain: (1) PCN-feedback-information is carried from the PCN-egress-node to the Decision Point; (2) the Decision Point may ask the PCN-ingress-node to measure, and report back, the rate of sent PCN-traffic between that PCN-ingress-node and PCN-egress-node. The Decision Point may be either collocated with the PCN-ingress-node or a centralized node (in the first case, (2) is not required). The signaling requirements pertain in particular to two edge behaviors, Controlled Load (CL) and Single Marking (SM). This document is not an Internet Standards Track specification; it is published for informational purposes. This document is a product of the Congestion and Pre-Congestion Notification Working Group of the IETF. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://www.rfc-editor.org/rfc.html. Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC