Issues NonParticipant using Federation Metadata?

[Dan Malone]

I'm sure there are some non-technical issues we can come up with here, and I have already offered my standard "...join InCommon ... it's good for all of us ... we will sponsor you..." plugs to them.
My question to this list is: Are there any technical issues with this scenario?

 From this vendors documentation:

    IRBManager automatically accepts IdPs published in the InCommon Federation’s metadata list, and we can add other metadata sources upon request. Our security metadata XML is available at https://shibboleth.irbmanager.com/metadata.xml.

On the SP side, the SP is consuming InCommon metadata and therefore can get our IDPs metadata given our entityID.
On the IDP side, I consume their SP metadata directly (not via InCommon) and the SP entityID.

Not all configured yet, but this seems like it should work.
Am I missing anything?

Thanks,
Dan

-- 
Dan Malone
Lead Identity Management Architect
Information Technology Services
California Polytechnic State University
San Luis Obispo, California

Direct 805-756-6326
dmalone at calpoly.edu
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