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Practical hat on:
Okay so are you (David Nelson) going to ask the Sterman draft to flatten
I think we need to know sooner rather then later. I and I gather Farid want
to progress our drafts.
Philosphical hat on:
RADIUS already has the machinery for coding/decoding subtypes. What is the
We use the scheme that the top level attribute is a string that contains
subTLVs. A RADIUS server that is not interested in that attribute will see
a string. This is exactly what sterman does.
We are not introducing a new type into RADIUS.
> -----Original Message-----
> From: Nelson, David [mailto:email@example.com]
> Sent: Wednesday, November 26, 2003 2:44 PM
> Cc: firstname.lastname@example.org
> Subject: RE: Subtypes
> Avi Writes...
> > Not withstanding those examples. The sterman draft which
> is already
> > deployed uses subtypes are we going to force it to change?
> (See 2.2
> > Digest-Attributes attribute)
> I thought the whole idea of having a WG to standardize
> extensions was to avoid the sort of thing that happens when
> individuals, companies or other SDOs, publish Informational
> RFCs that don't under go an appropriate level of Internet
> community review and don't maintain reasonable architectural
> consistency with the base protocol they are attempting to
> extend. IMHO, sub-types is an example of the type of problem
> that is desirable to avoid.
> The fact that someone has implemented an Internet Draft is
> not a good reason to exempt the implemented features thereof
> from IETF "change control" during the WG process.
> We should be seeking the minimal-impact extensions that get
> the job done. So far, I have not heard compelling logic that
> says the existing mechanisms in RADIUS and/or Diameter are
> insufficient to accomplish the needed functionality. Unless
> we have demonstrably exhausted the existing attribute space,
> and given that grouping mechanisms exist, why are sub-types
> *needed* (as opposed to *wanted*)?
> David B. Nelson
> Wireless & AAA Architect, Office of the CTO
> Enterasys Networks, Inc.
> 50 Minuteman Road
> Andover, MA 01810-1008
> (978) 684-1330
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