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Re: Federated Authentication Beyond The Web: Problem Statement and Requirements



On 7/6/10 11:15 AM, Hannes Tschofenig wrote:

Hi Hannes,

at the next IETF meeting we are going to have a BOF about "Federated Authentication Beyond The Web". In case you have not noticed the work relates to RADIUS and Diameter.

I wrote this very short problem statement document to explain the purpose of the BOF:
http://www.ietf.org/internet-drafts/draft-tschofenig-moonshot-ps-00.txt

Let me know if you find the description useful. Feedback about the BOF topic would also be appreciated.

I find the description useful, however I would like to challenge the MUST for RADIUS and/or Diamter. There are a number of Federated Authentication for applications access protocols out there, SAML, OpenID and others. RADIUS and Diamter are typically associated with network access. And while I do see the attractiveness of marrying the two (and thus leveraging existing trust fabrics), I wonder why you want to restrict a priori to just those. As an example draft-cantor-ietf-sasl-saml-ec-00.txt, draft-lear-ietf-sasl-openid-00, and draft-wierenga-ietf-sasl-saml-00 specify the use of federated authentication in a SASL context. And services like eduroam are an example of the use of just RADIUS to implement federated authentication for non-web applications. I do understand that it is not possible nor desirable to take on everything, but let's at least have this scoping discussion in the BoF.

Klaas

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