Re: NAI decoration: User Identity issues

[Barney Wolff <barney@databus.com>]

On Thu, Jul 15, 2004 at 04:39:22PM -0400, Avi Lior wrote:
> A UserAlias can contain some opaque value provided that the HomeNetwork
> asserts that it represents a user for a period of time.  That is it will not
> change over a period of time.  The period of time could be a month or even
> longer.
> 
> Class attributes could change over the lifetime of even a session because
> class attribute may store stuff other then just  the User Alias.  So you
> cant use it as the User's Identity.

So, to support a particular business model, namely fixed per-user billing,
all the world's NAS's have to be upgraded?  The business model could be
accomodated by a private agreement on the use of Class between the
intermediary and its customers, with no impact on the NAS.

If all NAS's are not forced to upgrade, how will the server know whether
it can include User-Alias?

-- 
Barney Wolff         http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.

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