A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Congestion and Pre-Congestion Notification Working Group of the IETF.
Title : Requirements for Signaling of (Pre-) Congestion Information in a DiffServ Domain
Author(s) : Georgios Karagiannis
Tom Taylor
Kwok Ho Chan
Michael Menth
Philip Eardley
Filename : draft-ietf-pcn-signaling-requirements-06.txt
Pages : 8
Date : 2011-07-02
Precongestion 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 latter case, (2) is not required). The
signaling requirements pertain in particular to two edge behaviours,
"controlled load (CL)" and "single marking (SM)"
[draft-ietf-pcn-cl-edge- behaviour-09],
[draft-ietf-pcn-sm-edge-behaviour-06].
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-pcn-signaling-requirements-06.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-pcn-signaling-requirements-06.txt
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