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Re: [Idr] Growing BGP-LS Attribute

"Susan Hares" <shares@ndzh.com> Sat, 20 October 2018 17:33 UTC

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From: Susan Hares <shares@ndzh.com>
To: adrian@olddog.co.uk, idr@ietf.org
Cc: 'Robert Raszuk' <robert@raszuk.net>
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Date: Sat, 20 Oct 2018 13:33:09 -0400
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Subject: Re: [Idr] Growing BGP-LS Attribute
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Adrian:

IDR will not be having a f2f meeting in IETF 103, but an interim discussion
on 10/26/2018 at 10-12 ET pm.  We will ask this question at the interim.
Please join us for that discussion. 

Cheerily, 
Susan Hares 

-----Original Message-----
From: Idr [mailto:idr-bounces@ietf.org] On Behalf Of Adrian Farrel
Sent: Saturday, October 20, 2018 1:17 PM
To: idr@ietf.org
Cc: 'Robert Raszuk'
Subject: Re: [Idr] Growing BGP-LS Attribute

Robert sed:

> Do we really want to grow this single BGP Attribute even more ?

Time to remind everyone about Yakov's Shakespeare-over-BGP?

IMHO, two fundamental concepts in BGP-LS are summarisation and stability. If
someone wanted to have access to all of the IGP information and be updated
every time anything changed, why would they not become a silent partner in
the IGP? The thing BGP-LS should buy you is the fact that a BGP
implementation is usually quite good at gathering and correlating routing
information, and then applying policy to it.

OTOH, it may be that this argument^H^H^H debate was lost some time ago.

But maybe the thing here is for the WG to step back and decide what the
point of BGP-LS is, how it should grow, and what controls should be in
place.

A topic for the f2f meeting?

Best,
Adrian

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