IP: call for help jpk mars landing

[David Farber <farber@cis.upenn.edu>]

From: roy@cs.uiuc.edu (Roy Campbell)
Subject: [Fwd: jpk mars landing] (fwd)
To: farber@central.cis.upenn.edu
Date: Mon, 16 Jun 1997 22:02:37 -0500 (CDT)
X-Mailer: ELM [version 2.4 PL23]


Dave:
Who might be interested in helping with this.
Thanks Roy

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> Please are there any volunteers to help with the JPL/NASA Mars landing
> Java cyber cast event.
> 
> We are looking for ways to make the record books with the JPL/NASA 
> Mars landing on the 4 July in terms of viewers of the event.  We are
> using a Java applet that plays H.263 and gsm audio on PCs and 
> Macintosh computers so that there is no plugin or other software to
> mess with. The player will play on JIT implementations of Java on UNIX
> too, but most UNIX browsers are too slow.
> 
> The Vosaic distribution scheme records the number of end users and we
> will be making the statistics available afterwards.
> We are trying to see if we can get a record number of people looking at
> the event.  The Vosaic distribution scheme is aimed at the 28.8 phone
> user.  The video is 16 kbps.
> 
> An example of the video can be found at
> http://vosaic.com/tv/live.html
> which is showing a video tape (it does rewind unfortunately).
> 
> We use a distribution tree with self adapting reflectors.  Each
> reflector can handle up to 2000 clients (depending on host and network)
> although the most we have actually had on one reflector was 600 at the 
> same time. 
> 
> The reflectors use UDP to traverse the Internet and http to deliver the
> video over the phone.  The reflectors have the capability of switching
> sources if the network gets congested.   The reflector is just a daemon
> that duplicates the source.
> 
> If you would be interested in helping us distribute the JPL video
> and audio stream over the Internet, please could you either fill in the
> reflector form
> http://vosaic.com/support/reflectors.html
> or contact me or jimw@vosaic.com
> 
> Thanks for your patience with my request.
> 
> Roy Campbell  roy@cs.uiuc.edu
> 
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> Date: Mon, 09 Jun 1997 03:56:30 -0700
> From: erik <erik@vosaic.com>
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> 
> The Jpl guys have agreed to give us a live video feed to put up in
> JAVA!!!!  This is huge as they previously only wanted to do audio...
> They saw the java stuff and were in agreement that it is real cool and
> we should do it.  We should tap our entire sphere of influence for as
> many reflectors as we cand get.  This includes any educational
> institutions that we can muster...  ie NCSA, MIT, KOREA, Univ of Norway,
> Stanford, INRIA, etc etc etc....  thanks
> 
> Chuck
> 
> 
> 
> 
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> 





-- 
Professor Roy Campbell                               Tel. 217-333-0215,
Fax. 244-6869
Department of Computer Science                       Email rhc@uiuc.edu
University of Illinois at Urbana-Champaign           Home Page
www.uiuc.edu/ph/www/rhc
1304 W. Springfield Av., 3315 DCL, Urbana, IL 61801








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