- From: Roy T. Fielding <fielding@avron.ICS.UCI.EDU>
- Date: Thu, 29 Feb 1996 01:23:49 -0800
- To: "David W. Morris" <dwm@shell.portal.com>
- Cc: HTTP Caching Subgroup <http-caching@pa.dec.com>
>> > I defy you to explain, for example, how Shel Kaphan can make his >> > book-ordering server work in your user-wins model. >> >> That's easy -- give the user an option at the outset regarding how >> they would like to proceed. > > You are wrong on this one Roy. There are a class of applications for > which any alternative other than strict obediance to the server's > intent would cause sever breakage. The PROTOCOL *MUST* support > such applications. Ahem. There does not exist any conforming HTTP application for which caching a response to a GET request would cause severe breakage. That is one of the reasons why GET and HEAD have the semantics of a retrieval and do not allow side-effects which would be significant to the user's action. .....Roy
Received on Thursday, 29 February 1996 09:43:52 UTC