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

Brian Dickson <brian.peter.dickson@gmail.com> Fri, 21 October 2016 22:15 UTC

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From: Brian Dickson <brian.peter.dickson@gmail.com>
Date: Fri, 21 Oct 2016 15:15:04 -0700
Message-ID: <CAH1iCirkxRXqe0-7=NEjRuO46Kv+GfMASuDJxCXngMRU2c7kAw@mail.gmail.com>
To: "i3D.net - Martijn Schmidt" <martijnschmidt@i3d.net>
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Cc: IETF IDR WG <idr@ietf.org>, Peter Hessler <phessler@theapt.org>, Robert Raszuk <robert@raszuk.net>
Subject: Re: [Idr] WG LC on draft-ietf-idr-large-community-03.txt (10/17/2016 to 10/31/2016)
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On Fri, Oct 21, 2016 at 9:21 AM, i3D.net - Martijn Schmidt <
martijnschmidt@i3d.net>; wrote:

>
> Summarizing, any restrictions which can not be enforced don't belong in
> the IDR document because they're irrelevant to implementors. Arguing about
> it doesn't change the fact that such recommendations belong in a BCP/GROW
> document. It is that simple.
>

I'd like to pick a nit with the argument here, as a counter-point to what I
think needs to be in the document.

There are plenty of IDR-specified things that are not enforced or
enforceable, which are nonetheless necessary to define or specify.

Those include things such as:

   - next-hop
   - router-id
   - cluster-id
   - AS-path component(s) [injecting ASNs via prepend mechanisms]
   - MED

Including Global Administrator (with a definition of it as _being_ an ASN),
is all that is required -- if necessary, rewording it to not use RFC 2119
language.

Like all of those other things, they can be set by operators, and are not
able to be enforced without severely restricting operators' activities.

Implementors who apply restrictions on those, may encounter resistance from
their customers, their sales folks and potential customers, and their
customers' peers.

Brian