based technologies.
To quote Mark Richter in his book, "Official Netscape LiveWire Book"
(Ventana, 1997, p4), "LiveWire is Netscape's groundbreaking solution or
interactive network applications." or, to use the author's favorite term,
the foundation, along with Navigator, of a paradigm shift.
The ground did break enough to swallow up my $49.95 (in 1997 dollars). I
new I was keeping this otherwise completely useless tome for a reason!
At 11:27 AM 7/2/2004, you wrote:
>On Jul 2, 2004, at 8:59 AM, Dave Watts wrote:
>
> > > I know that but:
> > >
> > > 1) didn't Netscape have a flaver of _javascript_ that supported
> > > push technology -- called "LiveScript"?
> >
> > LiveScript was simply the initial name for _javascript_, if I recall
> > correctly. As a marketing ploy, Netscape changed the name shortly
> > after Sun
> > announced Java.
> >
>
>Yes, but there was also some server-side Push technology called
>Livewire (or somesuch) I remember reading about it, but never found
>anyone using/providing it.
>
> > > 2) Can't you do Push with CGI?
> >
> > Yes, if the browser makes a request and receives a response with a
> > MIME type
> > of "multipart/x-mixed-replace". This basically allows the server to
> > continue
> > its response indefinitely. I don't even know if modern browsers
> > support
> > this, though.
> >
>
>It appears that Mozilla does:
>
> http://xulplanet.com/tutorials/mozsdk/serverpush.php
>
>And Apple has a Safari Browser SDK, so you could conceivable write your
>own, special purpose, if necessary.
>
>Or it could be a browser plugin (Flash?, Java?)
>
> > > 3) Doesn't a web server, in fact, listen for unsolicited requests?
> >
> > Yes, that's pretty much what a web server is all about.
> >
> > > 4) Given 3, couldn't a client also be running a server, and
> > > listening for unsolicited requests.
> >
> > Yes, but the browser isn't going to do that for you. You'd basically
> > have to
> > install a server on each user's machine. I suspect most network
> > administrators would have some issues with that.
>
>They might if it benefitted the network
>
>A few years ago, my company sold/installed 100 computers distributed
>over 11 LANs to the Army at Ft; Leavenworth.
>
>The bulk of these LANs were in Advanced Officer training Classrooms to
>perform battlefield simulations using Large screen 3-D HI-res (at the
>time) color graphics.
>
>The technology at the time did not permit it, but the Army really
>wanted 2 additional capabilities;
>
>1) to capture any given student's screen for purposes of monitoring and
>
>2) to redisplay the instructor's or a student's screen on all the other
>screens
>
>We could have sold another 1/2 mil of hardware/services, if we could
>have provided this capability
>
>Now, here's an app that could be easily done with today's technology
>(and it may be available from special-purpose vendors/programs).
>
>Today, we could take this a step further as we could broadcast to all,
>the instructor and one or more students collaborating on a solution --
>or monitor several with Pic-in-Pic.
>
>Pretty specialized, yeah!
>
>So lets take it down a notch -- we have 20 students with browsers on
>everybody's screen -- what that browser displays can under control;
>
>1) of the isolated student
>2) of the instructor (when necessary)
>3) of another student demoing his solution
>
>There are apps that justift Push technology.
>
>Dick
>
>"The best way to predict the future is to invent it."
>- Alan Kay -
>
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Cary Gordon
The Cherry Hill Company
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