El 20/01/11 00:36, Jim Schaad escribió:

I am in favor of having some diagrams really early in the processes.  I
think this really helps to get understanding setup early.  But I tend to be
a very pictorial person.

I agree with Jim here, flow diagrams will help to understand the architecture and to detect missing problems.

    some other comments:

- pag. 6. - 5. [... ]At this stage, the RP will likely have no idea who the principal
        is.

You propose here to optionally send a SAML Attribute Query to the idP/AA, but this query has to include the user's subject. How does it match with the previous sentence?

You could also here request a SAML AuthnStatement that could be use latter to request attributes by SOAP channels (if you decide to consider this scenario)

- pag. 6 - 6. IdP informs the principal of which EAP method to use [...]

In this case the RADIUS server plays the role of idP, but what happens if the organization already have a running idP (i.e. Shibboleth)?

- pag. 7 - 9. What kind of checks is done here? could you provide an example? I mean. Are you checking if idP could issue an attribute statement including user's attributes for SP?
                An Attribute Release Policy?

- pag. 12. if you decide to apply abfab arch over eduroam you could make use of trust-anchor and PKI services (eduGAIN) to assert trust between organizations, but this option is not described in the draft.

- pag. 19. The text: "Host-based service names do not work ideally when different instances
   of a service are running on different ports.  Also, these do not work
ideally when SRV record or other insecure referrals are used." is not in-line with the rest of the section.


    Best regards, Gabi.

--
----------------------------------------------------------------
Gabriel López Millán
Departamento de Ingeniería de la Información y las Comunicaciones
University of Murcia
Spain
Tel: +34 868888504
Fax: +34 868884151
email: [email protected]

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