Jim Gettys wrote:
> To close out this issue
> (, I suggest the
> following note to be added to section 14.24 If-Modified-Since"
> "Note: An HTTP client should expect that If-Modified-Since headers sent
> for cache validation will be interpreted as
> 'If-Modification-date-does-not-match-exactly'. In other words, an HTTP client
> should preserve all of the accuracy in the Last-Modified date, rather than
> (perhaps) playing games based on the official semantics of If-Modified-Since."
> Let me know if there are any complaints.

If cache loops exist, this would allow the possibility of a perpetually
cached stale copy. I don't know if this is a real-world concern, though.



Ben Laurie            |Phone: +44 (181) 994 6435|Apache Group member
Freelance Consultant  |Fax:   +44 (181) 994 6472|
and Technical Director|Email: |Apache-SSL author
A.L. Digital Ltd,     |
London, England.      |"Apache: TDG"

Received on Friday, 5 September 1997 12:17:14 UTC