[Mip6] Comments on draft-le-aaa-mipv6-requirements-03

[Giaretta Gerardo <[e-mail]>]

Hi,

I read draft-le-aaa-mipv6-requirements-03 and have the following questions:

1) In the draft are you providing requirements on a specific a Diameter Mobile IPv6 Application to be developed (as explicitely mentioned in the abstract and in the introduction) or are you referring to general requirements on the interaction between AAA and MIPv6?

2) In the introduction it is stated that Mobile IPv6 does not have the equivalent of a Foreign Agent and as a result does not offer any mechanism by which the visited network can authenticate and authorize user access. As a consequence it is suggested the specification of a new Diameter Mobile IPv6 Application supporting, among the other features, also local and remote network access control. This is certainly an option that may be useful in certain enviroments. Nevertheless, I think that an additional requirement for a solution to integrate AAA and MIPv6 should be the easy deployability in existing network infastructures, where user authentication and authorization is commonly performed relying on mechanisms that are not related at all with Mobile IPv6 (e.g. EAP, cellular protocols). In such situations, it might be useful to continue to handle user access authorization with the already deployed mechanisms and exploit the MIPv6 Diameter extentions only for MIPv6 service authorization and configuration.

Comments?

--Gerardo



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