Re: [kitten] Review of draft-ietf-kitten-krb-service-discovery-00

"Henry B (Hank) Hotz, CISSP" <hbhotz@oxy.edu> Fri, 24 March 2017 21:23 UTC

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From: "Henry B (Hank) Hotz, CISSP" <hbhotz@oxy.edu>
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Date: Fri, 24 Mar 2017 14:22:56 -0700
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To: Greg Hudson <ghudson@MIT.EDU>
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Subject: Re: [kitten] Review of draft-ietf-kitten-krb-service-discovery-00
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> On Mar 23, 2017, at 10:06 AM, Greg Hudson <ghudson@MIT.EDU> wrote:
> 
> On 03/21/2017 04:16 PM, Henry B (Hank) Hotz, CISSP wrote:
>> Mildly disagree. 
>> 
>> Mainly because there is RFC 6860.
> 
> I think Hank meant RFC 6880 (KDC Information Model), to answer Jeffrey
> Altman's question.

Yes. (Copy-by-hand considered dangerous.)

> I will argue that in complexity, a discovery mechanism is small, an
> information model is medium, and an administrative protocol is large.  I
> argued that the URI discovery draft creates:
> 
>  [discovery] -> <empty void of no admin protocol>
> 
> Adding RFC 6860 into the mix just changes the picture to:
> 
>  [disc] -> <empty void of no admin protocol> -> [info model]
> 
> They don't connect up, and the missing piece is much larger than the
> pieces on either side.  As there is no indication that a complete
> picture is forthcoming, I believe that any DNS discovery protocol for
> the implementation-specific admin service should also be considered
> implementation-specific.

My opinion hasn’t changed. I think the service discovery protocols for everything ought to be similar so they ought to be specified together.

I will note that failing to include something I wanted is not a reason to oppose the entire draft. I can live with being in the rough for this point.


Personal email.  hbhotz@oxy.edu