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RFC 7190
Title: Use of Multipath with MPLS
and MPLS Transport Profile (MPLS-TP)
Author: C. Villamizar
Status: Informational
Stream: IETF
Date: March 2014
Mailbox: curtis@occnc.com
Pages: 15
Characters: 36633
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-mpls-multipath-use-04.txt
URL: http://www.rfc-editor.org/rfc/rfc7190.txt
Many MPLS implementations have supported multipath techniques, and
many MPLS deployments have used multipath techniques, particularly in
very high-bandwidth applications, such as provider IP/MPLS core
networks. MPLS Transport Profile (MPLS-TP) has strongly discouraged
the use of multipath techniques. Some degradation of MPLS-TP
Operations, Administration, and Maintenance (OAM) performance cannot
be avoided when operating over many types of multipath
implementations.
Using MPLS Entropy Labels (RFC 6790), MPLS Label Switched Paths
(LSPs) can be carried over multipath links while also providing a
fully MPLS-TP-compliant server layer for MPLS-TP LSPs. This document
describes the means of supporting MPLS as a server layer for MPLS-TP.
The use of MPLS-TP LSPs as a server layer for MPLS LSPs is also
discussed.
This document is a product of the Multiprotocol Label Switching Working Group of the IETF.
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