Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!zephyr.ens.tek.com!uw-beaver!cornell!ken
From: ken@gvax.cs.cornell.edu (Ken Birman)
Newsgroups: comp.sys.isis
Subject: Seismic monitoring using ISIS
Message-ID: <35194@cornell.UUCP>
Date: 15 Dec 89 13:59:25 GMT
Sender: nobody@cornell.UUCP
Reply-To: jackson@gymer.css.gov (Jerry Jackson)
Distribution: comp
Organization: Science Aplications Int'l Corp.
Lines: 37

Here at SAIC in San Diego, we are using ISIS to build a worldwide
monitoring system that locates and identifies seismic events. The
system is intended to determine if particular events could be the
results of nuclear weapons testing.  Data come in from a variety of
sensors and several seismic arrays on a continuous basis.  One of our
design goals is to provide for continuous operation of the system
without requiring a large full-time staff.  We were attracted to ISIS
because of its strong support for fault tolerance and redundant
computation.  It has also proved flexible enough to allow us to bring
together pre-existing pieces of code in a natural fashion.

However, a couple of minor nits:

1) Executable size

Currently, the size of an executable after linking in ISIS is quite
large.. ~300K.  I suspect the libraries might include some
unnecessary code.

2) Program exit if ISIS is not running

Some of our programs can run stand alone.  It would be nice if they 
could attempt to connect to ISIS and get an error code back when it
is not running so that they could take appropriate action.  Another
possibility would be some sort of "autostart" feature that would 
start up ISIS when a connection was requested.

Thanks for the support.


+-----------------------------------------------------------------------------+
|   Jerry Jackson                       UUCP:  seismo!esosun!jackson          |
|   Geophysics Division, MS/12          ARPA:  jackson@esosun.css.gov         |
|   SAIC                                SOUND: (619)458-4924                  |
|   10210 Campus Point Drive                                                  |
|   San Diego, CA  92121                                                      |
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