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Re: [Dime] WG adoption call for draft-zorn-dime-rfc4005bis-01

Sebastien Decugis <sdecugis@nict.go.jp> Mon, 16 August 2010 01:44 UTC

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Date: Mon, 16 Aug 2010 10:44:39 +0900
From: Sebastien Decugis <sdecugis@nict.go.jp>
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To: Glen Zorn <gwz@net-zen.net>
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Subject: Re: [Dime] WG adoption call for draft-zorn-dime-rfc4005bis-01
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 Hi Glen, all,

>> Hence my comment that we cannot get rid of RADIUS in domain B until all
>> domains in the consortium have moved to Diameter...
> OK, but it was the assertion that "This reasoning may be possible in a
> single-domain context, but it does not hold in a multi-domain roaming
> consortium case" that I was questioning.
This implies that when you are part of a consortium, you are to maintain
your RADIUS equipment as long as at least one of the domains in the
consortium has not completed its transition to Diameter -- which costs
money. This certainly will discourage any member of the consortium to be
the first to transition, and so it will (did) not happen...

>> In addition, with RADIA you loose the benefit of Diameter applications
>> allowing to route different applications to different servers.
> I'm confused: isn't the only Diameter app that deals w/RADIUS stuff NASREQ?
No. See for example RFC4740 section 12.1 (Diameter SIP).

Best regards,
Sebastien.

-- 
Sebastien Decugis
Research fellow
Network Architecture Group
NICT (nict.go.jp)

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