[bess] I-D Action: draft-ietf-bess-evpn-virtual-eth-segment-04.txt

internet-drafts@ietf.org Fri, 18 January 2019 22:29 UTC

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Subject: [bess] I-D Action: draft-ietf-bess-evpn-virtual-eth-segment-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the BGP Enabled ServiceS WG of the IETF.

        Title           : EVPN Virtual Ethernet Segment
        Authors         : Ali Sajassi
                          Patrice Brissette
                          Rick Schell
                          John E Drake
                          Jorge Rabadan
	Filename        : draft-ietf-bess-evpn-virtual-eth-segment-04.txt
	Pages           : 23
	Date            : 2019-01-18

   EVPN and PBB-EVPN introduce a family of solutions for multipoint
   Ethernet services over MPLS/IP network with many advanced features
   among which their multi-homing capabilities. These solutions define
   two types of multi-homing for an Ethernet Segment (ES): 1) Single-
   Active and 2) All-Active, where an Ethernet Segment is defined as a
   set of links between the multi-homed device/network and a set of PE
   devices that they are connected to.

   Some Service Providers want to extend the concept of the physical
   links in an ES to Ethernet Virtual Circuits (EVCs) where many of such
   EVCs can be aggregated on a single physical External Network-to-
   Network Interface (ENNI). An ES that consists of a set of EVCs
   instead of physical links is referred to as a virtual ES (vES). This
   draft describes the requirements and the extensions needed to support
   vES in EVPN and PBB-EVPN.

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