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Status:

PROPOSED STANDARD

Updated by:

RFC 9746

Authors:

A. Sajassi, Ed.
J. Drake, Ed.
N. Bitar
R. Shekhar
J. Uttaro
W. Henderickx

Stream:

IETF

Source:

bess (rtg)

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DOI:  https://doi.org/10.17487/RFC8365

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Abstract

This document specifies how Ethernet VPN (EVPN) can be used as aNetwork Virtualization Overlay (NVO) solution and explores thevarious tunnel encapsulation options over IP and their impact on theEVPN control plane and procedures. In particular, the followingencapsulation options are analyzed: Virtual Extensible LAN (VXLAN),Network Virtualization using Generic Routing Encapsulation (NVGRE),and MPLS over GRE. This specification is also applicable to GenericNetwork Virtualization Encapsulation (GENEVE); however, someincremental work is required, which will be covered in a separatedocument. This document also specifies new multihoming proceduresfor split-horizon filtering and mass withdrawal. It also specifiesEVPN route constructions for VXLAN/NVGRE encapsulations andAutonomous System Border Router (ASBR) procedures for multihoming ofNetwork Virtualization Edge (NVE) devices.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.