RE: Cautionary Period

["Michael Myers" <myers@xxxxxxxxxxxxx>]

I agree with Russ.  Simpler is better.  Consider IKE vs. JFK.

Mike

> -----Original Message-----
> From: owner-ietf-pkix@xxxxxxxxxxxx
> [mailto:owner-ietf-pkix@xxxxxxxxxxxx]On Behalf Of 
> Housley, Russ
> Sent: Thursday, January 10, 2002 12:10 PM
> To: ietf-pkix@xxxxxxx
> Subject: Cautionary Period
> 
> 
> 
> The updated Delegated Path Validation (DPV) and 
> Delegated Path Discovery 
> (DPD) Protocol Requirements document 
> <draft-ietf-pkix-dpv-dpd-req-01.txt> 
> was recently posted.  You may notice that I am a 
> co-author with Denis on 
> this document.  Denis invited me to be a co-author 
> because I submitted many 
> comments.  There were many, many editorial ones.  
> There were also technical 
> ones.  Denis and I were able to resolve the vast bulk 
> of the technical 
> issues; however, we have not been able to reach a 
> compromise on one open 
> issue.  That issue is the subject of this note.
> 
> I encourage everyone to read DPV and DPD requirements 
> document, and post 
> their view on this subject.  I believe that the 
> document expresses Denis' 
> view on the issue.  My view is that cautionary period 
> is a not a 
> requirement for DPV or DPD.  However, cautionary 
> periods might be used as 
> part of an application-specific risk mitigation 
> mechanism when trying to 
> determine the validity of a particular signature.  
> For example, waiting for 
> cautionary period before considering a signature to 
> be valid on a 
> high-value electronic contract may be prudent.  
> Therefore, cautionary 
> periods might be supported in DSV (delegated 
> signature validation).
> 
> Since Denis and I were unable to resolve this issue 
> in an author-to-author 
> dialogue, I am bring this issue to the whole mail 
> list.  As far as I know, 
> this is the only open issue with the DPV and DPD 
> Protocol Requirements 
> document.  I hope that this issue can be quickly 
> resolved so that we can 
> get on with the protocol development.
> 
> Russ
>