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Re: [Idr] I-D Action: draft-ietf-idr-large-community-01.txt

t.petch <ietfc@btconnect.com> Mon, 03 October 2016 15:25 UTC

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From: "t.petch" <ietfc@btconnect.com>
To: Nick Hilliard <nick@foobar.org>
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Subject: Re: [Idr] I-D Action: draft-ietf-idr-large-community-01.txt
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----- Original Message -----
From: "Nick Hilliard" <nick@foobar.org>
To: "t.petch" <ietfc@btconnect.com>
Cc: "Job Snijders" <job@ntt.net>; <idr@ietf.org>
Sent: Monday, October 03, 2016 12:41 PM

> t.petch wrote:
> > Well, Bertrand Duvivier seemed to be proposing something along these
> > lines last week, and I for one would see a mapping from old protocol
to
> > new protocol as very much is scope for the new protocol I-D, if only
to
> > say there is none.
>
> creating a mapping between 1997 and large does very little in
practice,
> except to increase complexity.  Certainly it doesn't make 1997
community
> support any more or less available.  I'd be in favour of not having
any
> mapping between the two

Me too and I would go so far as to put in a sentence to that effect.
Perhaps I am oversensitive to the issues of ASN conversion that arose at
the time of 4-octet ASN - except that what we are doing now is in a
sense continuing the work of 4-octet ASN which was not completed at the
time, which makes me want to dot a few more 'i's.

Long term, I wonder if old style communities will be replaced by these
new style ones as and when support and familiarity grows and so a
mapping will be wanted at some point in the future to migrate out the
old style but I would not want to try and specify that now.

Tom Petch

 > Nick

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