RFC 2597 on Assured Forwarding PHB Group

RFC Editor <rfc-ed@ISI.EDU> Wed, 09 June 1999 22:37 UTC

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To: IETF-Announce:;
Subject: RFC 2597 on Assured Forwarding PHB Group
Cc: rfc-ed@ISI.EDU
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Date: Wed, 09 Jun 1999 15:02:50 -0700
From: RFC Editor <rfc-ed@ISI.EDU>

A new Request for Comments is now available in online RFC libraries.


        RFC 2597:

        Title:	    Assured Forwarding PHB Group
	Author(s):  J. Heinanen, F. Baker, W. Weiss, J. Wroclawski
        Status:     Proposed Standard
	Date:       June 1999
        Mailbox:    jh@telia.fi, fred@cisco.com, wweiss@lucent.com,
		    jtw@lcs.mit.edu
        Pages:      11
        Characters: 24068
        Updates/Obsoletes/See Also: None  
        I-D Tag:    draft-ietf-diffserv-af-06.txt


        URL:        ftp://ftp.isi.edu/in-notes/rfc2597.txt


This document defines a general use Differentiated Services (DS)
Per-Hop-Behavior (PHB) Group called Assured Forwarding (AF).  The AF
PHB group provides delivery of IP packets in four independently
forwarded AF classes.  Within each AF class, an IP packet can be
assigned one of three different levels of drop precedence.  A DS node
does not reorder IP packets of the same microflow if they belong to
the same AF class.

This document is a product of the Differentiated Services Working
Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
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Joyce K. Reynolds and Alegre Ramos
USC/Information Sciences Institute

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