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RFC 8237
Title: MPLS Label Switched Path (LSP)
Pseudowire (PW) Status Refresh Reduction for
Static PWs
Author: L. Martini,
G. Swallow,
E. Bellagamba
Status: Standards Track
Stream: IETF
Date: October 2017
Mailbox: lmartini@monoski.com,
swallow.ietf@gmail.com,
elisa.bellagamba@gmail.com
Pages: 20
Characters: 43099
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pals-status-reduction-05.txt
URL: https://www.rfc-editor.org/info/rfc8237
DOI: 10.17487/RFC8237
This document describes a method for generating an aggregated
pseudowire (PW) status message transmitted for a statically
configured PW on a Multiprotocol Label Switching (MPLS) Label
Switched Path (LSP) to indicate the status of one or more PWs carried
on the LSP.
The method for transmitting the PW status information is not new;
however, this protocol extension allows a Service Provider (SP) to
reliably monitor the individual PW status while not overwhelming the
network with multiple periodic status messages. This is achieved by
sending a single cumulative summary status verification message for
all the PWs grouped in the same LSP.
This document is a product of the Pseudowire And LDP-enabled Services Working Group of the IETF.
This is now a Proposed Standard.
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 Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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