Re: [trill] seeking help to understand a line from TRILL-ESADI draft

Donald Eastlake <d3e3e3@gmail.com> Fri, 27 July 2012 15:26 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Fri, 27 Jul 2012 11:25:48 -0400
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To: Thomas Narten <narten@us.ibm.com>
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Cc: Swet kumar <swet.kumar@ipinfusion.com>, "trill@ietf.org" <trill@ietf.org>
Subject: Re: [trill] seeking help to understand a line from TRILL-ESADI draft
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Hi Thomas,

On Thu, Jul 19, 2012 at 6:45 AM, Thomas Narten <narten@us.ibm.com> wrote:
> Donald Eastlake <d3e3e3@gmail.com> writes:
>
>> Hi Thomas,
>
>> On Wed, Jul 18, 2012 at 2:15 PM, Thomas Narten <narten@us.ibm.com> wrote:
>> > Seems to me that the MAY sentence all by itself is not helpful.
>> >
>> > If sending occasionaly ESADI-CSNPs increases robustness, IMO, the spec
>> > should say that and explain which scenarios its useful in. And then,
>> > MAY doens't seem right either. SHOULD would seem to make more sense...
>
>> I'm fine with SHOULD and including a sentence or two of justfication.
>> But it isn't actually occasionally at random, it is under specific
>> circumstances that indicate something is wrong and CSNPs are not being
>> received from the DRB.
>
> Then by all means please have the spec say that. The whole point of a
> standard is to provide useful guidance to an implementor on whether
> and when something should be implemented. Many (most?) implementors
> will not be familiar with TRILL and its long WG history and will just
> be going by what the spec says.

OK, that can be included in the next revision.

Thanks,
Donald
=============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 155 Beaver Street, Milford, MA 01757 USA
 d3e3e3@gmail.com

> Thomas
>