Re: SAML, Liberty Aliance, SISO, EAP vs SeaMoby CT

Phil,

The AAA stuff you mention is not in scope of this WG. There are other uses
for CT, so I don't think it's a total loss even if Diameter is used as you
mention.

Wrt. implementing CT, it will be published as Experimental, and, since
DoCoMo Labs USA is a research lab, we have been discussing implementing it.
We are interested in it for header compression and multicast group
subscription context.

            jak

----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Sent: Friday, August 15, 2003 12:00 PM
Subject: [Seamoby] SAML, Liberty Aliance, SISO, EAP vs SeaMoby CT


> Hi,
>
> I am curious what some folks on this list think about
> SeaMoby CT versus the notion of federated identity
> being promoted by the Liberty Alliance.
>
> see http://www.projectliberty.org/
>
> It seems that an Internet wide identity coupled with
> Diameter reauthentication could obviate the need for
> context transfer (at least for (A)aa context).  My assumption
> is that a new EAP method would be implemented, possibly
> an extension of EAP-TTLS or EAP-SPEKE (password based) that
> would be Liberty Alliance friendly.  Does anybody know of
> any work being done to make sure that EAP issues are
> supported properly in Diameter (especially the ability to
> enter a password once and be able to simply re-authenticate
> when roaming of admin domains in roaming agreement).
> Ideally WECA WPA would adopt this and TGi eventually.
>
> However, this is likely to be a relatively heavy weight
> transaction and perhaps SeaMoby CT is still best for
> fast / smooth / seamless handovers between AR with a
> pre-established trust relationship (long lived IPsec
> tunnels?).
>
> Novell's e-directory and Sun's iPlanet already have
> some support for the Liberty Alliance identity
> scheme (being standardized through OASIS).
>
> see http://www.oasis-open.org/home/index.php
>
> Another thought that occured to me was using SAML
> for CT between ARs.  Can we assume that ARs will have
> XML parsers? yuck...
>
> Is anybody planning on implementing SeaMoby CT?
>
> Thoughts?
>
> Best regards,
>
> Phil N
>
>
>
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