- From: Michael A. Dolan <miked@tbt.com>
- Date: Mon, 08 Mar 1999 07:54:48 -0800
- To: Johan Hjelm <hjelm@w3.org>, Philipp Hoschka <ph@w3.org>, www-tv@w3.org
- Cc: w3t-arch@w3.org
At 03:11 PM 3/8/99 +0100, Johan Hjelm wrote: >Actually, this problem is exactly the same as when you have a pager or >other device that does not have bidirectional communication with the server. In general, I'll buy that. >One way to do it is to set up a generic profile for the device class, which >is activated when the device is activated (e.g. when the device is bought, >through a telephone call to the provider - the same way as is done with >pagers now). The WAP Forum Push group has been working on this (using >CC/PP), but there are some other problems with push media that also need to >be adressed (e.g. caching) that it is not clear how to solve. Can I get a pointer to this work? Thanks, Mike >At 10:53 1999-03-08 +0100, Philipp Hoschka wrote: >>Date: Sun, 07 Mar 1999 14:53:09 -0800 >>To: www-tv@w3.org (WWW TV List) >>From: "Michael A. Dolan" <miked@tbt.com> >>Mime-Version: 1.0 >>Subject: HTTP server driven content negotiation >>Resent-From: www-tv@w3.org >>X-Mailing-List: <www-tv@w3.org> archive/latest/302 >>X-Loop: www-tv@w3.org >>Sender: www-tv-request@w3.org >>Resent-Sender: www-tv-request@w3.org >>Precedence: list >>Content-Type: text/plain; charset="us-ascii" >>Content-Length: 731 >> >>When making content-based system profiles, it would be handy to tag >>broadcast content. >> >>As best as I can tell, CC/PP and the IETF conneg work is not suitable since >>it requires the client to first describe its profile (which cannot >>generally be done in TV). >> >>HTTP 1.1 has the Vary tag and the concept of server driven content >>negotiation. However, I found the use of the Vary tag somewhat vague. >>Anyone have any experience with this tag? Is there more info somewhere at >>W3C on this - from the HTTP 1.1 author perhaps? >> >>Thanks for any pointers. >> >>Regards, >> Mike >> >>- ------------------------------------------------------ >>Michael A. Dolan, Representing DIRECTV, (619)445-9070 >>PO Box 1673 Alpine, CA 91903 FAX: (619)445-6122 >> >> >>------- End of Forwarded Message > >************************************************************ > Johan HJELM > Ericsson Research, User Applications Group > Currently visiting engineer at the W3C > The World Wide Web Consortium > hjelm@w3.org > http://www.w3.org/People/W3Cpeople.html#Hjelm > Fax +1-617-258 5999, Phone +1-617-263-9630 > MIT/LCS, 545 Tech. Sq. Cambridge MA 02139 USA > opinions are personal, always my own, > and not necessarily those of Ericsson or the W3C. >============================================================ > > > ------------------------------------------------------ Michael A. Dolan, Representing DIRECTV, (619)445-9070 PO Box 1673 Alpine, CA 91903 FAX: (619)445-6122
Received on Monday, 8 March 1999 10:59:21 UTC