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Re: [Idr] 2 week WG LC for draft-ietf-custom-decision (4/20 to 5/4/2015)

Robert Raszuk <robert@raszuk.net> Mon, 06 February 2017 15:20 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Mon, 06 Feb 2017 16:20:18 +0100
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Cc: Susan Hares <shares@ndzh.com>, "idr@ietf.org" <idr@ietf.org>
Subject: Re: [Idr] 2 week WG LC for draft-ietf-custom-decision (4/20 to 5/4/2015)
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Hi Bruno,

On my side, I’d propose
>
> OLD: the propagation of Cost Communities MUST be disabled by default
>
> NEW: the use of Cost Communities MUST be disabled by default
>

​Do you really think it is safe to propagate ​information which can
completely overwrite Best Path without applying it locally ?

If we are really to change this text how about this:

NEW: The use of Cost Communities MUST be disabled by default. The
propagation may occur by default only on those BGP speakers which do not
set next hop self.

​Cheers,
R.
​

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