re:[Diffserv-interest] Fw: RFC 3662 on A Lower Effort Per-Domain Behavior (PDB)

"Jeff Norman" <jnorman@nortelnetworks.com> Sat, 20 December 2003 00:06 UTC

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From: "Jeff Norman" <jnorman@nortelnetworks.com>
Reply-To: "Jeff Norman" <jnorman@nortelnetworks.com>
Subject: re:[Diffserv-interest] Fw: RFC 3662 on A Lower Effort Per-Domain Behavior (PDB)
To: Roland Bless <bless@tm.uka.de>
cc: diffserv interest <diffserv-interest@ietf.org>
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Hmmm.... I would have thought that a single DSCP value may have
been suggested for the LE PHB... perhaps a value of 000110 would
suffice, although it's not compatible with precedence bits (which would
be CS0, although I think is better than CS1 which conflicts with AF1*).

Just my 2.3 cents,
--Jeff

In message "RFC 3662 on A Lower Effort Per-Domain Behavior (PDB) for Differentiated Services", Roland Bless writes:

>Hi,
>
>FYI: this is a first draft in the PDB series.
>
>Begin forwarded message:
>
>Date: Thu, 18 Dec 2003 16:35:53 -0800
>From: rfc-editor@rfc-editor.org
>To: IETF-Announce: ;
>Cc: rfc-editor@rfc-editor.org
>Subject: RFC 3662 on A Lower Effort Per-Domain Behavior (PDB) for Differentiated Services
>
>
>
>A new Request for Comments is now available in online RFC libraries.
>
>
>        RFC 3662
>
>        Title:      A Lower Effort Per-Domain Behavior (PDB) for
>                    Differentiated Services
>        Author(s):  R. Bless, K. Nichols, K. Wehrle
>        Status:     Informational
>        Date:       December 2003
>        Mailbox:    bless@tm.uka.de, knichols@ieee.org,
>                    Klaus.Wehrle@uni-tuebingen.de
>        Pages:      17
>        Characters: 39029
>        Updates/Obsoletes/SeeAlso:    None
>
>        I-D Tag:    draft-bless-diffserv-pdb-le-01.txt
>
>        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3662.txt
>
>
>This document proposes a differentiated services per-domain behavior
>(PDB) whose traffic may be "starved" (although starvation is not
>strictly required) in a properly functioning network.  This is in
>contrast to the Internet's "best-effort" or "normal Internet traffic"
>model, where prolonged starvation indicates network problems.  In this
>sense, the proposed PDB's traffic is forwarded with a "lower" priority
>than the normal "best-effort" Internet traffic, thus the PDB is
>called "Lower Effort" (LE).  Use of this PDB permits a network
>operator to strictly limit the effect of its traffic on
>"best-effort"/"normal" or all other Internet traffic.  This document
>gives some example uses, but does not propose constraining the PDB's
>use to any particular type of traffic.
>
>This memo provides information for the Internet community.  It does
>not specify an Internet standard of any kind.  Distribution of this
>memo is unlimited.
>
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>
>Joyce K. Reynolds and Sandy Ginoza
>USC/Information Sciences Institute
>
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