RE: [Dime] Defining a new Application for mip6-split ?

[<Pasi.Eronen at nokia.com>]

Hi Julien,

There's nothing in RFC 4072 that would limit its use to, say, PPP 
or 802.1X -- it works for IKEv2 as well (which can be considered
a special kind of network access, where the "link" is a tunnel
over IP).

The details (MIP6 or 802.11 WLAN or something else) can be sent
to the AAA server using e.g. Service-Type and/or NAS-Port-Type AVPs.

Best regards,
Pasi

> -----Original Message-----
> From: ext Julien Bournelle [mailto:julien.bournelle at int-evry.fr] 
> Sent: 18 May, 2006 11:42
> To: dime at ietf.org
> Cc: hannes.tschofenig at gmx.net
> Subject: [Dime] Defining a new Application for mip6-split ?
> 
> Hi all,
> 
>  we're in the process of updating/writing the document 
> describing use of
>  Diameter for the Mobile IPv6 split scenario.
> 
>  In the split scenario, the Mobile Node (MN) uses IKEv2 with the HA to
>  setup IPsec SAs. This exchange is also used by the HA to authenticate
>  the MN using EAP. The HA may rely on a AAA/EAP server for this. So we
>  have the following scheme:
> 
>  MN <-- IKEv2-EAP --> HA <--------> AAA
> 
>  A priori Diameter EAP (RFC 4072) can be used between HA and AAA. 
> 
>  The problem is that Diameter EAP is normally used for Network Access
>  authentication. 
> 
>  In our case, the AAA server must perform AAA functionality for the
>  Mobile IPv6 service. The AAA server must know that it has to 
>  authorize the mip6 service and the accounting (ASR/ASA) is also for 
>  mip6 and not for network access.
> 
>  For the above reason, it seems that we should define a new Diameter
>  Application. However, in the same time, the messages defined in
>  Diameter EAP could be reused.
> 
>  So I'd like to hear opinions concerning this issue.
> 
>  Thanks,
> 
> 
>  - Julien B.
> 
> 
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