I-D Action: draft-wang-bess-tpe-aided-spe-protection-00.txt

internet-drafts@ietf.org Mon, 25 January 2021 12:41 UTC

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Subject: I-D Action: draft-wang-bess-tpe-aided-spe-protection-00.txt
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Date: Mon, 25 Jan 2021 04:41:46 -0800
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A New Internet-Draft is available from the on-line Internet-Drafts directories.


        Title           : TPE-aided SPE-Protection
        Author          : Yubao Wang
	Filename        : draft-wang-bess-tpe-aided-spe-protection-00.txt
	Pages           : 11
	Date            : 2021-01-25

Abstract:
   MPLS EVPN SPEs cannot make use of anycast MPLS tunnel (whose egress
   LSRs are two of these SPEs) because that the two SPEs will re-assign
   different EVPN labels for the same EVPN prefix.  It will be
   complicated to static-configure EVPN label for each EVPN prefix.  At
   the same time, the TPEs should advertise specified signalling to do
   egress node (TPE) protection.  This document specifies a egress node
   protection signalling from/among TPE nodes, and TPE (whether it is
   egress-protected or not) can help the SPEs to do egress protection on
   the basis of that signalling.


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