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Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

Robert Raszuk <robert@raszuk.net> Thu, 30 July 2020 14:14 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Thu, 30 Jul 2020 16:14:16 +0200
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To: Peter Psenak <ppsenak=40cisco.com@dmarc.ietf.org>
Cc: Huzhibo <huzhibo@huawei.com>, Aijun Wang <wangaj3@chinatelecom.cn>, lsr <lsr@ietf.org>, Aijun Wang <wangaijun@tsinghua.org.cn>, Xiaoyaqun <xiaoyaqun@huawei.com>
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Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt
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> > 2：For bgp example，when the pe node down，the bgp peer must down within
> > 30 mintus，It will not get it up via cancle advertise pua.
>
> for the above it is sufficient to advertise the unreachability for few
> seconds from each ABR independently. That would be a much more solid
> proposal.


Not sure about "few seconds" ... IBGP def hold time in number of
implementations is 180 sec :) .. but few minutes will work for sure.

Thx,
R.

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