Re: [Idr] TCP & BGP: Some don't send terminate BGP when holdtimer expired, because TCP recv window is 0

Jared Mauch <jared@puck.nether.net> Sat, 12 December 2020 19:03 UTC

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From: Jared Mauch <jared@puck.nether.net>
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Date: Sat, 12 Dec 2020 14:03:48 -0500
Cc: "Jakob Heitz (jheitz)" <jheitz@cisco.com>, "idr@ietf.org" <idr@ietf.org>
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To: Enke Chen <enchen@paloaltonetworks.com>
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Subject: Re: [Idr] TCP & BGP: Some don't send terminate BGP when holdtimer expired, because TCP recv window is 0
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> On Dec 12, 2020, at 1:52 PM, Enke Chen <enchen@paloaltonetworks.com> wrote:
> 
> Hi, Jakob:
> 
> It's about recovery from corner cases that occur rarely than other "holdtime expiration" events.
> 
> Keep it simple and robust.


If a vendor ships an unsafe transport protocol, it’s going to have all these bad behaviors.

I’m wondering how bad this is for non-XR people vs XR people where it’s a known issue.

- Jared