Re: Question about fenton-identified-mail-01

Miles Libbey writes:
> 6.1.1 says, "When the KRS method has been specified by the sender, the
> first step for the recipient is to consult its local cache of key
> authorizations, if any."  Later, 6.1.4 says, "Time to live.  Responses
> SHOULD be cached by the verifier."
>
> I read the 'if any' and SHOULD as indicating that caching is optional. 
> Sounds to me like you convinced at some point in the past that caching
> should be optional.  

And DNS caches can be set to have zero entries as well, I'm
sure. The point is that there is performance incentive for
the receiver to behave correctly which will guide deployment
far more than any cache police.

         Mike