[7168] in www-talk@info.cern.ch

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Re: Automatic Page Updates

daemon@ATHENA.MIT.EDU (Philip Knightbridge)
Tue Jan 10 13:54:03 1995

Date: Tue, 10 Jan 1995 19:52:50 +0100
Errors-To: listmaster@www0.cern.ch
Reply-To: pjk@cee.hw.ac.uk
From: pjk@cee.hw.ac.uk (Philip Knightbridge)
To: Multiple recipients of list <www-talk@www0.cern.ch>

From: Mark J Cox <M.J.Cox@bradford.ac.uk>
> 
> On Tue, 10 Jan 1995, Bill Allocca wrote:
> > Is there any way in HTTP for a Server to automatically update a page
> > without requiring the user of the client to click on anything?
> 
> The HTTP documentation mentions the Expires: header which "Gives the date
> after which the information ceases to be valid and should be retrieved
> again" to "allow for the periodic refreshing of displays of volitile
> data". 
> 

This is fine for the whole page but in some instances only a part of a
page is likely to require an update (specifically - for my work -
camera images from remote sites).

Would it not be possible to attach an expire attribute to individual
parts of a page ? (getting more and more like individual information
objects making up a page !)

Phil

__
|_)  |/             (Inet: pjk@cee.hw.ac.uk)  Computing and Electrical Eng.
| hil|\nightbridge  (Tel: (+44) 31-451-3506)  Heriot-Watt Uni. Edinburgh
++  Me and my shadow ..... http://anchovy.cee.hw.ac.uk/~pjk/pjk.html

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