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 : PCN Encoding for Packet-Specific Dual Marking (PSDM Encoding)
Author(s) : M. Menth, et al.
Filename : draft-ietf-pcn-psdm-encoding-01.txt
Pages : 11
Date : 2010-03-05
Pre-congestion notification (PCN) is a link-specific and load-
dependent packet re-marking mechanism and provides in Differentiated
Services networks feedback to egress nodes about load conditions
within the domain. It is used to support admission control and flow
termination decision in a simple way. This document proposes how PCN
marks can be encoded into the IP header for packet-specific dual
marking (PSDM). PSDM encoding provides three different codepoints:
not-ETM, not-ThM, and PM. Excess-traffic-marking may re-mark not-
ETM-packets to PM and threshold-marking may re-mark not-ThM-packets
to PM.
Status
This memo is posted as an Internet-Draft with an intent to eventually
be published as an experimental RFC.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-pcn-psdm-encoding-01.txt
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ftp://ftp.ietf.org/internet-drafts/
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