A new Request for Comments is now available in online RFC libraries.
RFC 6391
Title: Flow-Aware Transport of Pseudowires over
an MPLS Packet Switched Network
Author: S. Bryant, Ed.,
C. Filsfils, U. Drafz,
V. Kompella, J. Regan,
S. Amante
Status: Standards Track
Stream: IETF
Date: November 2011
Mailbox: stbryant@cisco.com,
cfilsfil@cisco.com,
Ulrich.Drafz@telekom.de,
vach.kompella@alcatel-lucent.com,
joe.regan@alcatel-lucent.com,
shane@level3.net
Pages: 19
Characters: 43848
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pwe3-fat-pw-07.txt
URL: http://www.rfc-editor.org/rfc/rfc6391.txt
Where the payload of a pseudowire comprises a number of distinct
flows, it can be desirable to carry those flows over the Equal Cost
Multiple Paths (ECMPs) that exist in the packet switched network.
Most forwarding engines are able to generate a hash of the MPLS label
stack and use this mechanism to balance MPLS flows over ECMPs.
This document describes a method of identifying the flows, or flow
groups, within pseudowires such that Label Switching Routers can
balance flows at a finer granularity than individual pseudowires.
The mechanism uses an additional label in the MPLS label stack.
[STANDARDS-TRACK]
This document is a product of the Pseudowire Emulation Edge to Edge Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: 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
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