[OpenID] Making Deployers Choose (was: Real Identity Verification)

Nate Klingenstein ndk at internet2.edu
Tue Nov 4 14:30:43 UTC 2008


Peter,

I'm sorry, I'm afraid I don't follow.  What do you mean, IdP-centric  
and SP-centric?

InCommon today has roughly 75 IdP's and 35 SP's.  By contrast, the  
Swiss federation SWITCHaai has roughly 35 IdP's and 250 SP's.  Some  
SP's, like DreamSpark, support many federations.  Others, like  
ScienceDirect, support subsets of existing federations that are their  
customers.  Any SP can choose the set of IdP's it wants to display,  
support, and trust, including all-comers.

Wondering what else we could add to improve functionality for your  
needs,
Nate.

On 4 Nov 2008, at 13:15, Peter Williams wrote:

> I dont see much future in idp-centric federations in web2.0, to be  
> honest -  which is where I feel Shib’s design is biased. Of the  
> various models, openid tends more to sp-centric federations, where  
> ax update promotes what  SAML calls sp-affiliations.

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