I-D Action: draft-ietf-bess-evpn-irb-mcast-11.txt
internet-drafts@ietf.org Mon, 04 March 2024 22:39 UTC
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Subject: I-D Action: draft-ietf-bess-evpn-irb-mcast-11.txt
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Internet-Draft draft-ietf-bess-evpn-irb-mcast-11.txt is now available. It is a work item of the BGP Enabled ServiceS (BESS) WG of the IETF. Title: EVPN Optimized Inter-Subnet Multicast (OISM) Forwarding Authors: Wen Lin Zhaohui Zhang John Drake Eric C. Rosen Jorge Rabadan Ali Sajassi Name: draft-ietf-bess-evpn-irb-mcast-11.txt Pages: 80 Dates: 2024-03-04 Abstract: Ethernet VPN (EVPN) provides a service that allows a single Local Area Network (LAN), comprising a single IP subnet, to be divided into multiple "segments". Each segment may be located at a different site, and the segments are interconnected by an IP or MPLS backbone. Intra-subnet traffic (either unicast or multicast) always appears to the end users to be bridged, even when it is actually carried over the IP or MPLS backbone. When a single "tenant" owns multiple such LANs, EVPN also allows IP unicast traffic to be routed between those LANs. This document specifies new procedures that allow inter-subnet IP multicast traffic to be routed among the LANs of a given tenant, while still making intra-subnet IP multicast traffic appear to be bridged. These procedures can provide optimal routing of the inter- subnet multicast traffic, and do not require any such traffic to egress a given router and then ingress that same router. These procedures also accommodate IP multicast traffic that originates or is destined external to the EVPN domain. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-irb-mcast/ There is also an HTMLized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-irb-mcast-11 A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-bess-evpn-irb-mcast-11 Internet-Drafts are also available by rsync at: rsync.ietf.org::internet-drafts
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