RFC 6391 on Flow-Aware Transport of Pseudowires over an MPLS Packet Switched Network
rfc-editor@rfc-editor.org Tue, 01 November 2011 23:17 UTC
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Subject: RFC 6391 on Flow-Aware Transport of Pseudowires over an MPLS Packet Switched Network
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Date: Tue, 01 Nov 2011 16:12:54 -0700
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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 status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://www.rfc-editor.org/rfc.html. Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC