Re: [Idr] WG LC on draft-ietf-idr-large-community-03.txt (10/17/2016 to 10/31/2016)

Nick Hilliard <nick@foobar.org> Wed, 19 October 2016 22:29 UTC

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Date: Wed, 19 Oct 2016 23:29:03 +0100
From: Nick Hilliard <nick@foobar.org>
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To: Brian Dickson <brian.peter.dickson@gmail.com>
References: <01f301d228b4$e3319ef0$a994dcd0$@ndzh.com> <20161017215134.GA464@pfrc.org> <20161018190851.GC15392@shrubbery.net> <20161018191521.GT95811@Vurt.local> <9EFC9BAA-F917-4C70-A139-1F69CAECF9C0@pfrc.org> <007201d229f6$b4ae9680$4001a8c0@gateway.2wire.net> <20161019185405.GA12214@puck.nether.net> <CAH1iCirF_1ODLtLzeVhKmQPDeeGcczcQCSPXDcro=OQv2ipR3A@mail.gmail.com>
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Subject: Re: [Idr] WG LC on draft-ietf-idr-large-community-03.txt (10/17/2016 to 10/31/2016)
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Brian Dickson wrote:
> "Global Administrator:  A four-octet namespace identifier.  This MUST be
> an Autonomous System Number.
[...]
>    Implementations MUST allow the operator to specify any value for the
>    Global Administrator field. Implementors MUST NOT restrict permitted values
>    of ASN

so summarising:

- operators: you MUST use an ASN
- implementers: you MUST allow any value

I'm really not convinced that it's good protocol definition practice to
state one set of rules for implementers and another for operators, where
the two sets of rules are not actually compatible with each other.

Nick