Subject Re: an SP's home federation with respect to R&S
From Nicole Harris <harris@xxxxxxxxxx>
Date Tue, 07 Oct 2014 13:50:38 +0100

On 07/10/2014 13:35, Ian Young wrote:
>> Exactly the above has happened. An SP has applied for R&S in the
>> InCommon federation but that same SP is already exported to eduGAIN by
>> another federation, without the R&S designation.
>> Another way of asking the question is: does each SP have a home
>> federation with respect to R&S? If so, how is the home federation
>> determined?
> This isn't specifically about R&S, really, the same question could be asked about any other aspect of the metadata for the entity. The question should really be whether we move to a general situation where SPs have a single home registrar rather than making multiple registrations.
Another issue that might crop up, for example is contact details being
different for the same entity across different federations.  Lots of
approaches to metadata have this problem - libraries would recognise an
analogy in the appropriate copy / "harvard problem" space.