On 27-Feb-06, at 11:58 AM, Dave Crocker wrote:
Well, 'identity' is a bit of a philosophical term. Perhaps it is
simpler to deal
with an 'identifier'. But, your question relates to implementation
issues,
rather than design requirements.
My #3 question was really 3 questions, starting with concept and
ending with a technical detail. Since the word identity is quite
literally central to D*I*X, the meaning of identity needs to be
more than philosophical.
I think of 'digital identity' as one word. I'm not hung up on
defining 'identity'.
The X.500/LDAP universe of discourse worked fine without drilling
into it.
Have a stab at it if you think it'll help. The Internet Identity
Workshop has
been kicking all this stuff about for a while. I'd rather this group
focused on
the technical realization of an architecture for user-centric digital
identity.
In the implementation detailed in dmd0 the identifier is a defined
to be
a URI, and a URL mechanism is detailed whereby a Delegation Tag is
placed in the page at the end of the URL that delegates
authentication
to a list of Homesites. So, where it comes from is essentially a web
All of this is fine-grained detail. That nature of the questions I
am asking are intended to provide answers that non-technical people
can understand. Non-technical people are going to be using it, so
it would help if the nature of this stuff could be explained to
them, without language like delegation tag, etc.
Well, hopefully some use cases will cover that too.
server,
and its uniqueness is based on its reuse of the domain namespace.
ok. so, domain name, but something within the domain name (nonce,
or whatever), to ensure uniqueness. Hence, each DNS administration
is a sub-registry for DIX identities.
Based on dmd0, where the identifier is a URL - Yes.
e.g.
http://www.bbiw.net/dave
http://www.bbiw.net/user1234
http://www.bbiw.net/ontimeuuid-1234-abcdef-4567-abcd
But, DIX could use some other namespace that has the right properties.
URIs, or as Phillip proposed email addresses.
John
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