[OpenID] Case for a unified scheme for OpenID "oid:"

[Melvin Carvalho]

On Sat, Nov 28, 2009 at 3:49 PM, Santosh Rajan <santrajan at gmail.com> wrote:
> I have been thinking of OpenID's representing a universal set of identities
> for months now. Given that we all agree that identities must be URI's, there
> is one solution to the problem we can consider for OpenID v.next.
> One of the problems with OpenID's is that it only supports a subset of all
> URI's, the "http" scheme. One of the solutions is to allow OpenID to support
> more URI schemes. But then I realized this would only let the cat among the
> pigeons. We could not allow an infinite no of schemes that come up in the
> future asking for OpenID support.
> Instead I have come to the conclusion that the best solution for OpenID is
> to register its own scheme. I will explain the suggested scheme with the
> following example.
> 1) oid:example.com/joe
> 2) oid:joe @ example.com
> 3) oid:example.com:1234567890
> And here is the URI syntax for the 3 examples above
> 1) oid:<host>[/[[path]][#fragment]
> 2) oid: <username>@<host>
> 3) oid: <host>:<id-string>
> (1) and (2) are self evident. (1) is the http URI. (2) supports the email
> like identifier. (3) requires more explanation. People are used to "id's",
> which may be an id issued by a govt or bank or any organization that has
> members. A lot of people already have access to this id which they are
> already using online. It may be a national identity no, or a company
> username or whatever. By supporting option (3) we allow those organizations
> who want to support OpenID to continue to allow their users to use the same
> id's they are used to. (Of course i have stretched (3) a bit to include govt
> and banks which is far fetched now considering the security implication, but
> lets assume we will be able to solve those problems).
> Please feel free to comment on this idea which ever way you like.

I think <host>:<port> is normally used rather than <host>:<id-string>

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