Re: [Idr] Fwd: New Version Notification for draft-spaghetti-idr-bgp-sendholdtimer-05.txt

Nick Hilliard <nick@foobar.org> Sun, 31 July 2022 21:24 UTC

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To: Robert Raszuk <robert@raszuk.net>
Cc: Jeff Tantsura <jefftant.ietf@gmail.com>, "idr@ietf. org" <idr@ietf.org>, Job Snijders <job=40fastly.com@dmarc.ietf.org>
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From: Nick Hilliard <nick@foobar.org>
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Date: Sun, 31 Jul 2022 22:24:37 +0100
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Subject: Re: [Idr] Fwd: New Version Notification for draft-spaghetti-idr-bgp-sendholdtimer-05.txt
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Robert Raszuk wrote on 31/07/2022 21:05:
> If the RCV window is 0 how can TCP send anything to the peer including 
> TCP RST ?

the payload of a rst packet can be zero length. also, psh may be set.

> If the peer is saturated, how good is it to assign a new IANA 
> error notification code if it can not be sent to the peer ?

same as draft-ietf-idr-bfd-subcode: it's to allow the sending side
to log the failure in the bgpPeerLastError oid of the relevant bgp
mib, which will be visible to monitoring systems.

Nick