identity as a URL instead of an email? hrmmmm

[Peter Davis]

On 3/23/2006 6:13 PM, "Johannes Ernst" <jernst+lists.danga.com at netmesh.us>
wrote:
> 
> For example, we could say "if user enters foo at bar.com, the
> corresponding URL is http://bar.com/users/foo.html". (this may be a
> bad mapping, but you get the idea)

Actually, if you really wanted to support the (fictitious) mailto: URI, the
best resolution mechanism is DDDS [1], which defines the application of the
DNS NAPTR resource record type for distributed databases, using the DNS.

For an example, take a look at section 4.2.2.2 of SAML 2.0 Metadata
Specification [2], which details precisely that.

Of course, this demands the user be in control of their DNS (as does, to
some extent, the 'well-known' format Johannes suggests), or their mail
domain natively support YADIS (adding one APTR record in the domain
satisfies all users in the domain, of course).

=peterd  (http://xri.net/=peterd)

[1] http://www.ietf.org/rfc/rfc3401.txt (and RFC3402-4)
[2] http://docs.oasis-open.org/security/saml/v2.0/saml-metadata-2.0-os.pdf