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Status:

PROPOSED STANDARD

Authors:

A. Sajassi
P. Brissette
R. Schell
J. Drake
J. Rabadan

Stream:

IETF

Source:

bess (rtg)

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DOI:  https://doi.org/10.17487/RFC9784

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Abstract

Ethernet VPN (EVPN) and Provider Backbone Bridge EVPN (PBB-EVPN)introduce a comprehensive suite of solutions for delivering Ethernetservices over MPLS/IP networks. These solutions offer advancedmultihoming capabilities. Specifically, they support Single-Activeand All-Active redundancy modes for an Ethernet Segment (ES), whichis defined as a collection of physical links connecting a multihomeddevice or network to a set of Provider Edge (PE) devices. Thisdocument extends the concept of an ES by allowing an ES to beassociated with a set of Ethernet Virtual Circuits (EVCs), such asVLANs, or other entities, including MPLS Label Switched Paths (LSPs)or pseudowires (PWs). This extended concept is referred to as virtualEthernet Segments (vESes). This document lists the requirements andspecifies the necessary extensions to support vES in both EVPN andPBB-EVPN.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.