[mpls] I-D Action: draft-ietf-mpls-self-ping-06.txt

internet-drafts@ietf.org Sun, 01 November 2015 21:03 UTC

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Subject: [mpls] I-D Action: draft-ietf-mpls-self-ping-06.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

Title : LSP Self-Ping
Authors : Ron Bonica
Ina Minei
Michael Conn
Dante Pacella
Luis Tomotaki
Filename : draft-ietf-mpls-self-ping-06.txt
Pages : 12
Date : 2015-11-01

Abstract:
When certain RSVP-TE optimizations are implemented, ingress LSRs can
receive RSVP RESV messages before forwarding state has been installed
on all downstream nodes. According to the RSVP-TE specification, the
ingress LSR can forward traffic through an LSP as soon as it receives
a RESV message. However, if the ingress LSR forwards traffic through
the LSP before forwarding state has been installed on all downstream
nodes, traffic can be lost.

This document describes LSP Self-ping. When an ingress LSR receives
an RESV message, it can invoke LSP Self-ping procedures to ensure
that forwarding state has been installed on all downstream nodes.

LSP Self-ping is a new protocol. It is not an extension of LSP Ping.
Although LSP Ping and LSP Self-ping are named similarly, each is
designed for a unique purpose. Each protocol listens on its own UDP
port and executes its own procedures.

LSP Self-ping is an extremely light-weight mechanism. It does not
consume control plane resources on transit or egress LSRs.

The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-self-ping/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-mpls-self-ping-06

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-self-ping-06

Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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