Protocol Action: 'Provider Backbone Bridging Combined with Ethernet VPN (PBB-EVPN)' to Proposed Standard (draft-ietf-l2vpn-pbb-evpn-10.txt)
The IESG <iesg-secretary@ietf.org> Mon, 01 June 2015 14:48 UTC
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From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Subject: Protocol Action: 'Provider Backbone Bridging Combined with Ethernet VPN (PBB-EVPN)' to Proposed Standard (draft-ietf-l2vpn-pbb-evpn-10.txt)
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Date: Mon, 01 Jun 2015 07:48:03 -0700
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The IESG has approved the following document: - 'Provider Backbone Bridging Combined with Ethernet VPN (PBB-EVPN)' (draft-ietf-l2vpn-pbb-evpn-10.txt) as Proposed Standard This document has been reviewed in the IETF but is not the product of an IETF Working Group. The IESG contact person is Alvaro Retana. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-l2vpn-pbb-evpn/ Technical Summary This document discusses how Ethernet Provider Backbone Bridging (PBB) can be combined with Ethernet VPN (EVPN) in order to reduce the number of BGP MAC advertisement routes by aggregating Customer/Client MAC (C-MAC) addresses via Provider Backbone MAC address (B-MAC), provide client MAC address mobility using C-MAC aggregation, confine the scope of C-MAC learning to only active flows, offer per site policies and avoid C-MAC address flushing on topology changes. The combined solution is referred to as PBB-EVPN. Working Group Summary This document was an L2VPN Working Group document, and w reviewed in the working group through multiple iterations of the draft. The document passed WG last call in the L2VPN WG but is being advanced as AD Sponsored because that WG has closed. Document Quality: The document is of roughly average length (22 pages). It is well structured, but needs to be read in the context of the base EVPN RFC (draft-ietf-l2vpn-evpn-11- should be an RFC soon), and requires knowledge of Ethernet bridging (including PBB). The document has been through multiple revisions and is now sufficiently stable to progress to RFC, and more importantly to be used as a reference for creating interoperable implementations (in fact PBB EVPN has already been implemented by multiple vendors with more implementations in progress). Personnel: Document Shepherd: Giles Heron (giheron@cisco.com) Area Director: Alvaro Retana