I-D Action: draft-malhotra-bess-evpn-l3dl-00.txt
internet-drafts@ietf.org Wed, 03 July 2019 01:28 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : L3DL based PE-CE Control Plane for EVPN Authors : Neeraj Malhotra Keyur Patel Jorge Rabadan Filename : draft-malhotra-bess-evpn-l3dl-00.txt Pages : 30 Date : 2019-07-02 Abstract: In an EVPN network, EVPN PEs provide VPN bridging and routing service to connected CE devices based on BGP EVPN control plane. At present, there is no PE-CE control plane defined for an EVPN PE to learn CE MAC, IP, and any other routes from a CE that may be distributed in EVPN control plane to enable unicast flows between CE devices. As a result, EVPN PEs rely on data plane based gleaning of source MACs for CE MAC learning, ARP/ND snooping for CE IPv4/IPv6 learning, and in some cases, local configuration for learning prefix routes behind a CE. A PE-CE control plane alternative to this traditional learning approach, where applicable, offers certain distinct advantages that in turn result in simplified EVPN operation. This document defines a PE-CE control plane as an optional alternative to traditional non-control-plane based PE-CE learning in an EVPN network. It defines PE-CE control plane procedures and TLVs based on L3DL as the base protocol, enumerates advantages that may be achieved by using this PE-CE control plane, and discusses in detail EVPN use cases that are simplified as a result. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-malhotra-bess-evpn-l3dl/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-malhotra-bess-evpn-l3dl-00 https://datatracker.ietf.org/doc/html/draft-malhotra-bess-evpn-l3dl-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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