An open discussion list for topics related to the eduGAIN interfederation service.

[Leif Johansson <leifj AT sunet.se>]

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On 2014-10-30 09:25, Niels van Dijk wrote:
> On 29-10-14 16:06, Peter Schober wrote:
>> I'd be interested in more (any, really) concrete examples of
>> that kind of breakage, to substantiate the claim of the massive
>> scope of that problem.  (I'm probaby just lacking that
>> experience, and imagination.)
> 
> As an exmaple: I am currently building a service for eduGAIN that 
> needs a persistent identifier for a user. My choices are: 1) SAML
> persistent NameID (preferred) 2) edupersontargetedid 3)
> eduersonperinciplename
> 
> Neither of these is available in all federations connected to
> eduGAIN.
> 
> Not a problem, I can programm around that. But I have no means of 
> expressing that I need either of them in metadata. The only
> currently correct way of expressing this is to ask for a persistent
> NameID and have the two attributes as optional. This might actually
> lead to getting none.

Exactly.
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