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Re: [Idr] WG adoption call for draft-abraitis-bgp-version-capability-08, to end September 25

Robert Raszuk <robert@raszuk.net> Sat, 21 January 2023 11:19 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Sat, 21 Jan 2023 12:19:26 +0100
Message-ID: <CAOj+MMGXsNWOdhqxV0eRB-0s5CiFtV2nh-_Zkp7xak41zBjSsQ@mail.gmail.com>
To: Linda Dunbar <linda.dunbar@futurewei.com>
Cc: Donatas Abraitis <donatas.abraitis@gmail.com>, Gyan Mishra <hayabusagsm@gmail.com>, "idr@ietf.org" <idr@ietf.org>
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Subject: Re: [Idr] WG adoption call for draft-abraitis-bgp-version-capability-08, to end September 25
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Linda,


> Per RFC4271:
>
> *A NOTIFICATION message is sent when an error condition is detected. **The
> BGP connection is closed immediately** after it is sent.*
>

This is a general statement. You can't take it out of the current context.


Do most deployed implementations send “Subsequent OPEN” as you stated?
>
> *“Subsequent open would be tried without this new optional parameter”*
>


Again we are discussing the addition of a new extension. Such addition can
define in itself what implementation should do when receiving such a
NOTIFICATION message indicating that peer does not understand the new
extension.

Rgs,
R.

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