Subject: Re: [netlmm] Solution proposal for accommodating multihomed IP nodesinPMIP6

From: Behcet Sarikaya <[email-masked]>
Date: Fri, 19 Oct 2007 09:28:05 -0700 (PDT)

Hi Jari,
  Maybe AAA can give out some prefixes but this is not enough for prefixes. Interfaces are assigned unique prefixes and the uniqueness must be assured at the requesting end/ the delegating end, etc. 
  We have plans to bring up AAA for prefixes issue into dime WG possibly at IETF 70.
  Regards,

Behcet
----- Original Message ----
From: Jari Arkko <[email-masked]>
To: Alper Yegin <[email-masked]>
Cc: Netlmm <[email-masked]>
Sent: Thursday, October 18, 2007 8:47:07 AM
Subject: Re: [netlmm] Solution proposal for accommodating multihomed IP nodesinPMIP6

> The issue we are dealing is the HNP assignment to PMIP6 sessions.
> If the HNP is assigned via network access AAA procedures, then the PMIP6
> protocol does not have to deal with this scheme below at all. The PMIP6 spec
> gets simplified.
>
> And it is relatively easier for AAA to deal with that. AAA already knows the
> technology type for a given access, it already knows what other networks the
> MN is currently connected to, and it has the ability to shut down one or
> more of the access sessions.
>   

Does it matter if the MN is connected to other netlmm domains? It would
seem not.

But what's more important is that AAA would appear to be even further
away from the handover processes that would enable it to know whether
the mobile node is truly moving or not. It could certainly perform the
same disconnect operations, but its not clear that they are preferred
over what is done in the netlmm domain itself.

AAA might be blissfully unaware of Netlmm, what would happen then? And,
AAA is not any wiser about the hardware and software configuration of a
host than netlmm domain is, perhaps less so.

Jari

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