W3C home > Mailing lists > Public > ietf-http-wg-old@w3.org > September to December 1995

Re: Still trying to make sense of HTTP caching model

From: Paul Leach <paulle@microsoft.com>
Date: Thu, 7 Sep 95 09:09:56 PDT
Message-Id: <9509071703.AA06235@netmail2.microsoft.com>
To: mogul@pa.dec.com
Cc: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com

Jeff said:
] Actually, I would probably combine #1 and #2 into
] 	Expires: value < deskewed current time
] given that the Date: value serves as a lower bound on the "current time"
] when it is received.  When I wrote "Expires: <yesterday>" what I really
] meant was "Expires: some time obviously in the past"; I don't think
] we need to pick a particular distinguished value.  In fact, we probably
] ought not to pick a particular value, since it can only lead to one
] more possible bug in an implementation.

I was listing the three ways that it seemed the spec would allow based 
on current list thinking.  I was objecting to there being three ways.

I agree with combining 1 & 2, and eliminating "max-age" -- it is 
completely redundant.

That would also get rid of any ciunter=intuitive "Expires: <yesterday>" 
distinguished value.

Received on Thursday, 7 September 1995 09:14:25 UTC

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