Question: multiple IdPs?

[Drummond Reed]

In the directed identity case, the IdP URL or XRI you give to the RP
resolves to your IdP's XRDS document. Each of your IdPs would have a
different one. If they support directed identity, each would have a Service
with a Type tag value of http://openid.net/identifier_select/2.0. This
service endpoint would not have an OpenID:Delegate tag (or if it does the
spec should be clear that it is ignored for this service type) since this
service provides directed identity authentication for everyone at that IdP.

=Drummond 

-----Original Message-----
From: specs-bounces at openid.net [mailto:specs-bounces at openid.net] On Behalf
Of Dick Hardt
Sent: Tuesday, October 17, 2006 11:25 PM
To: specs at openid.net
Subject: Question: multiple IdPs?

I would like to use different IdPs for my vanity URL, blame.ca. In an  
OpenID 2.0 world, I can provide either of my IdP URLs to the RP and  
then select blame.ca and login.

Does this work? What having two openid.server tags suffice? How would  
the RP know which delegate tag goes with which IdP? The spec is not  
silent on this.

( and yes, another argument for having one identifier so that the RP  
does not have to figure out anything about the delegate tag since it  
does not do anything with it anyway!)

-- Dick
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