Re: [Idr] Why L2 liveness needed for BGP-SPF

Randy Bush <randy@psg.com> Sun, 22 July 2018 11:34 UTC

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Date: Sun, 22 Jul 2018 04:34:37 -0700
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From: Randy Bush <randy@psg.com>
To: "Jakob Heitz (jheitz)" <jheitz@cisco.com>
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Subject: Re: [Idr] Why L2 liveness needed for BGP-SPF
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> L2 can be Ethernet, Token Ring, ATM, Frame Relay, PPP, SLIP, MTP2 and
> others that may be invented in the future.

it could be tin cans and a string.  but out here in the internet, it's
ethernet.  there are tiny vestiges of sonet, which you seem to have
forgotten; but no one is gonna run bgp-spf over them.  it is a mono-
culture; ethernet won.

randy