- From: Brian Behlendorf <brian@organic.com>
- Date: Wed, 6 Sep 1995 11:50:30 -0700 (PDT)
- To: Roy Fielding <fielding@beach.w3.org>
- Cc: Jim Seidman <jim@rafiki.spyglass.com>, http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
On Wed, 6 Sep 1995, Roy Fielding wrote: > There are two ways to do content negotiation: preemptive or reactive. > I think preemptive content negotiation is doomed to failure in the > long term, which is why I added the 300 response code. When the > day comes that preemptive content negotiation (Accept* headers) are > more costly than reactive (an extra round-trip carrying a URC), > then browsers and server can switch without changing the protocol. ...what Roy is also forgetting to say is that the "an extra round-trip carrying a URC" is a 406 response, and the format of that response is what should be decided *very*soon*, so people can start putting it into their browsers and servers. Don't wait for the URC folks to do it. It also implies that a request for an-object-with-many-variants will return a list of metadata associated with objects-with-only-one-variant. Brian --=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-- brian@organic.com brian@hyperreal.com http://www.[hyperreal,organic].com/
Received on Wednesday, 6 September 1995 11:55:31 UTC