- From: Francois Daoust <fd@w3.org>
- Date: Mon, 04 Feb 2008 13:15:40 +0100
- To: Jo Rabin <jrabin@mtld.mobi>
- CC: public-bpwg-ct <public-bpwg-ct@w3.org>
Oops. Actually, I thought you had said that quite a few WAP1 gateways DO obey the directive. No need to be that affirmative then. And no need to put that as a huge warning sign. François. Jo Rabin wrote: > Experience from the field seems to indicate that quite a few WAP1 gateways don't actually obey the no-transform directive ... so we could water it down a bit and say that there is the possibility of mis-operation. > > Jo > > > >> -----Original Message----- >> From: public-bpwg-ct-request@w3.org [mailto:public-bpwg-ct-request@w3.org] >> On Behalf Of Francois Daoust >> Sent: 04 February 2008 11:03 >> To: public-bpwg-ct >> Subject: [ACTION-634] CT guidelines and WAP1 gateways >> >> >> Per ACTION-634, I'm supposed to write a note to include in our >> guidelines to warn the readers that most of the guidelines are not >> compatible with WAP1 gateways as they would fail to transform WML to >> WMLC when they encounter a HTTP Cache-Control: no-transform header. >> >> Here is my proposal: >> >> ----- >> Warning: Incompatibility with WAP1 gateways >> >> This document recommends the use of the Cache-Control: no-transform HTTP >> header by the origin server, with a view to controlling the content >> transformation proxy and in particular to preventing any kind of content >> transformation. >> >> The Cache-Control: no-transform directive applies to all the >> intermediaries between the origin server and the user agent. In >> particular, WAP1 gateways would obey the directive and would fail to >> compile WML into WMLC. Failure to do so would break the content delivery >> to the user agent. >> >> As a consequence, these guidelines cannot be used to deliver content >> through WAP1 gateways. >> ----- >> >> It could go in the "2.2 Objectives" section formatted as a note with a >> different background color. Or maybe at some other place, it certainly >> doesn't have to be the first thing readers see. >> >> François. >> >> >> > >
Received on Monday, 4 February 2008 12:16:01 UTC