Re: DISCUSS: draft-ietf-radext-fixes

[Barney Wolff <barney@databus.com>]

At the risk of exposing my own lack of imagination, would someone
please explain how monotonically increasing ids would actually help
duplicate detection?  Specifically, just how does it avoid the cache?
Thanks,
Barney

On Mon, Jul 02, 2007 at 01:51:55PM -0400, David B. Nelson wrote:
> > I was referring to server-side duplicate detection, as was the original
> > comment, I believe.
> 
> Ah, so it was.
> 
> Yes, it would be nice if Identifiers were monotonically increasing (within
> the scope of a NAS IP address and NAS source UDP port).  It is likely that
> many implementations behave that way -- it's the most straightforward thing
> to do.
> 
> Not enforcing the monotonic requirement means that servers would need to
> keep a cache of recently used Identifiers for each NAS IP/UDP.

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