A new Request for Comments is now available in online RFC libraries.
RFC 9541
Title: Flush Mechanism for Customer MAC
Addresses Based on Service Instance Identifier
(I-SID) in Provider Backbone Bridging EVPN (PBB-EVPN)
Author: J. Rabadan, Ed.,
S. Sathappan,
K. Nagaraj,
M. Miyake,
T. Matsuda
Status: Standards Track
Stream: IETF
Date: March 2024
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 11
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-bess-pbb-evpn-isid-cmacflush-09.txt
URL: https://www.rfc-editor.org/info/rfc9541
DOI: 10.17487/RFC9541
Provider Backbone Bridging (PBB) can be combined with Ethernet
Virtual Private Networks (EVPNs) to deploy Ethernet Local Area
Network (E-LAN) services in large Multiprotocol Label Switching
(MPLS) networks. That combination is what we refer to as "PBB-EVPN."
Single-Active multihoming and per Service Instance Identifier (I-SID)
load-balancing can be provided to access devices and aggregation
networks. In order to speed up the network convergence in case of
failures on Single-Active multihomed Ethernet Segments (ESs),
PBB-EVPN defines a flush mechanism for Customer MACs (C-MACs) called
"C-MAC flush" that works for different Ethernet Segment Backbone MAC
(B-MAC) address allocation models. This document complements those
C-MAC flush procedures for cases in which no PBB-EVPN ESs are defined
(i.e., the attachment circuit is associated with a zero Ethernet
Segment Identifier (ESI)) and the C-MAC flush requires I-SID-level
granularity.
This document is a product of the BGP 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
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