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Re: [Idr] WG Last Call foir draft-ietf-idr-bgp-extended-messages (11/12 to 11/26)

Job Snijders <job@ntt.net> Thu, 16 November 2017 12:17 UTC

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Date: Thu, 16 Nov 2017 13:17:15 +0100
From: Job Snijders <job@ntt.net>
To: Robert Raszuk <robert@raszuk.net>
Cc: "Jakob Heitz (jheitz)" <jheitz@cisco.com>, "idr-chairs@ietf.org" <idr-chairs@ietf.org>, bruno.decraene@orange.com, "idr-ads@ietf.org" <idr-ads@ietf.org>, Susan Hares <shares@ndzh.com>, idr wg <idr@ietf.org>
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Subject: Re: [Idr] WG Last Call foir draft-ietf-idr-bgp-extended-messages (11/12 to 11/26)
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On Thu, Nov 16, 2017 at 08:59:56AM +0100, Robert Raszuk wrote:
> As far as proposing text .. one practical option I see which will allow to
> introduce extended msg without risk of breaking current networks would be
> to define a new BGP message type: "BGP LARGE UPDATE MSG".

How is a new BGP message type any different than negotiating through a
capability whether an extended message can be handled by the peer.

> You still have the same problem there of handling support between new
> and old peers, but at least you are not potentially  breaking what
> works today nor are introducing new attack vectors to existing
> deployments.

I'm not sure I follow your reasoning. 

Kind regards,

Job

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