A new Request for Comments is now available in online RFC libraries.
RFC 9716
Title: Mechanisms for MPLS Ping and Traceroute Procedures
in Inter-Domain Segment Routing Networks
Author: S. Hegde,
K. Arora,
M. Srivastava,
S. Ninan,
N. Kumar
Status: Standards Track
Stream: IETF
Date: February 2025
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 22
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-mpls-spring-inter-domain-oam-20.txt
URL: https://www.rfc-editor.org/info/rfc9716
DOI: 10.17487/RFC9716
The Segment Routing (SR) architecture leverages source routing and
can be directly applied to the use of an MPLS data plane. A Segment
Routing over MPLS (SR-MPLS) network may consist of multiple IGP
domains or multiple Autonomous Systems (ASes) under the control of
the same organization. It is useful to have the Label Switched Path
(LSP) ping and traceroute procedures when an SR end-to-end path
traverses multiple ASes or IGP domains. This document outlines
mechanisms to enable efficient LSP ping and traceroute procedures in
inter-AS and inter-domain SR-MPLS networks. This is achieved through
a straightforward extension to the Operations, Administration, and
Maintenance (OAM) protocol, relying solely on data plane forwarding
for handling echo replies on transit nodes.
This document is a product of the Multiprotocol Label Switching 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
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