Re: Improving If-Modified-Since

On Tue, 15 Aug 1995, Lou Montulli wrote:
> > >In addition to supporting size=SIZE I encourage other server authors to
> > >do an _equals_ comparison rather than a greater than or equal comparison
> > >of the two dates.
> > 
> > Absolutely not -- that would be a violation of both the spec and the
> > intentions of IMS.  In addition to being a cache mechanism, it allows
> > a client to request a document "only if it has been changed in the last
> > fifteen minutes".  In this case, it may not know what the server's
> > Last-Modified date is prior to the request.
> 
> If it is a violation of the spec then you really ought to make the spec
> clearer on this point.  All the major servers that I know of do a
> greater than or equal comparison.  

...which is what Roy's saying the spec says they should do.

	Brian

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Received on Tuesday, 15 August 1995 14:57:16 UTC