Re: [Dime] Diameter Prefix Delegation Application

SpawnRR@gmx.de writes:

> Hi all,
> 
> Is there already a draft regarding a new Diameter Prefix Delegation
> application? Could somebody provide me with some links to related
> drafts, please? I have already read the problem statement draft
> (http://www.ietf.org/internet-drafts/draft-sarikaya-dime-prefix-
> delegation-ps-01.txt) but I couldn't find further information.

Looking over the referenced draft, it seems AFAICT to be an inappropriate use of Diameter.  I can't find any evidence of actual AAA usage or even a user -- it seems that the author wants to use Diameter just as a transport for arbitrary prefixes (I'm certainly willing to be corrected on that point, however).  I'm led to believe this because of the following statement "[RFC4818] designs Delegated-IPv6-Prefix attribute which is used for delegating prefixes.  However in [RFC4818], the recommended usage scenario is AAA server configures the delegating server with some prefixes and then DHCP Prefix Delegation [RFC3633] can be used to delegate these prefixes to the requesting router.  Also Delegated-IPv6-Prefix carries a number of prefixes only.  Lifetime values for each prefix can not be carried."  I can't think of a reason, if the delegated prefixes were for a human user, why the lifetime of the prefixes would not be just as long as the user session.

> 
> The Diameter Prefix Delegation application is a very interesting thing,
> and I’m thinking about to set up a own draft on this topic.
> 
> Best regards,
> 
> 
> Rafael
> 
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