Subject: [Pana] [Pana issue 144]

From: Avi Lior <[email-masked]>
Date: Mon, 8 Nov 2004 14:21:43 -0500

Hi,
See inline

> > 
> > Issue 144:
> > "
> > Gerardo:
> > 
> > Another issue about the mobility handling is the need to
> > communicate to
> > the AAA infrastructure the new NAS (PAA) to which the PaC 
> is attached.
> > Again, maybe this is not directly a PANA issue but i think it 
> > should be
> > mentioned
> > "
> > 
> > I failed to understand what the exact issue is.  Could Gerardo 
> > elaborate on this?
> >
> 
> AAA server should always be aware of the NAS which a user is 
> attached to. Usually this information is implicitly provided 
> to the AAA server during the authentication procedure since a 
> AAA session between the PAA and the AAA server is 
> established. If context transfer is performed, the PaC 
> changes the PAA which it is attached to, without contacting 
> the AAA server. Nevertheless, the AAA server must somehow be 
> informed about the new position of the PaC.
> 
> I think this is not a PANA protocol issue but maybe this need 
> should be mentioned in the draft.
> 
> Comments?

Well it all depends. If the traffic flows from the new NAS back to the
original NAS then the AAA may not need to know that the NAS has been
changed.  The new NAS is acting as a proxy to the old NAS and from the
prespective of the AAA it's the same NAS.

In either cases, if the new NAS is generating accounting records then the
AAA infrastruture will know that there was a change.  

> --Gerardo
> 
>  
> > Yoshihiro Ohba
> > 
> > 
> > 
> > > 145 	Failed AVP per offending AVP
> > > 146 	Editorial comments from Julien
> > > 147 	Which PAA ID with AAA-Key int computation
> > > 
> > > http://danforsberg.info:8080/pana-issues/
> > > 
> > > Br,
> > > - Dan
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > _______________________________________________
> > > Pana mailing list
> > > [email-masked]
> > > https://www1.ietf.org/mailman/listinfo/pana
> > 
> 
> 
> Gruppo Telecom Italia - Direzione e coordinamento di Telecom 
> Italia S.p.A.
> 
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