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 : A PCN encoding using 2 DSCPs to provide 3 or more states
Author(s) : Toby Moncaster
Bob Briscoe
Michael Menth
Filename : draft-ietf-pcn-3-state-encoding-02.txt
Pages : 15
Date : 2012-03-12
Pre-congestion notification (PCN) is a mechanism designed to protect
the Quality of Service of inelastic flows within a controlled domain.
It does this by marking packets when traffic load on a link is
approaching or has exceeded a threshold below the physical link rate.
This experimental encoding scheme specifies how three encoding states
can be carried in the IP header using a combination of two DSCPs and
the ECN bits. The Basic scheme only allows for three encoding
states. The Full scheme provides 6 states, enough for limited end-
to-end support for ECN as well.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-pcn-3-state-encoding-02.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-3-state-encoding-02.txt
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