Re: : Change to "Reply-Message AVP" usage in Diameter EAP

Yoshihiro Ohba <[email protected]> Mon, 22 Aug 2005 04:14:02 -0400
Newsgroups gmane.ietf.aaa
Message-ID <20050822081402.GE8715@steelhead>
Hi Jari,

I agree with your suggestion.

Yoshihiro Ohba


On Mon, Aug 22, 2005 at 10:21:40AM +0300, Jari Arkko wrote:
> It looks like we'll have a bad situation in any case, no
> matter what we decide to do in this AUTH48. I'm inclined
> to believe Pasi and Yoshi in that some kind of new
> NAS functionality makes messages like this possible
> in the future, and that the AAA servers are smart enough
> to decide what to do based on the context.
> 
> However, if we allow messages in Diameter EAP, this
> will immediately create a problem for Diameter - Radius
> translation, and will also create a need for updating
> RFC 3579. In the meantime some NASes will be throwing
> away the message that the AAA server wanted to display.
> If on the other hand we keep the RFC 3579 approach
> in Diameter EAP, then we are not providing this
> potentially useful function. More importantly, we are
> mandating that NASes ignore the AVP, which makes
> introducing the feature later hard.
> 
> Perhaps one way to look at this would be to align
> RADIUS and Diameter EAP according to the
> scheme in RFC 3579 now, and later develop a new mini
> RFC that describes how Reply-Message is to be
> used (for both RADIUS&Diameter).  Or the mini
> RFC could be a part of Avi's PANA AAA document.
> 
> --Jari
> 
>