A new Request for Comments is now available in online RFC libraries. RFC 7623 Title: Provider Backbone Bridging Combined with Ethernet VPN (PBB-EVPN) Author: A. Sajassi, Ed., S. Salam, N. Bitar, A. Isaac, W. Henderickx Status: Standards Track Stream: IETF Date: September 2015 Mailbox: sajassi@cisco.com, ssalam@cisco.com, nabil.n.bitar@verizon.com, aisaac@juniper.net, wim.henderickx@alcatel-lucent.com Pages: 23 Characters: 52595 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-l2vpn-pbb-evpn-10.txt URL: https://www.rfc-editor.org/info/rfc7623 DOI: http://dx.doi.org/10.17487/RFC7623 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 (B-MAC) address, 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. 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 Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/rfc.html Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC