Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!sdd.hp.com!spool.mu.edu!uunet!trwacs!erwin From: erwin@trwacs.UUCP (Harry Erwin) Newsgroups: comp.windows.x Subject: Re: air traffic control? Message-ID: <299@trwacs.UUCP> Date: 28 May 91 12:01:54 GMT References: <9105241440.AA25083@fis1.shearson.com> Organization: TRW Systems Division, Fairfax VA Lines: 37 jpc@fct.unl.pt (Jose Pina Coelho) writes: >In article <9105241440.AA25083@fis1.shearson.com> >fgreco@govt.shearson.COM (Frank Greco) writes: >> ) We are trying to bring up an Air Traffic Control display on >> ) an X window terminal and there seems to be some problems. >> >> [insert-favorite-deity-here] help us all! >Forget about the favourite, just insert them all. >The planes are going to start crashing by the dozen each hour. >As long as X can be crashed by a stray client (though it needs no >client to crash) it cannot be used for applications where safety is >considered. >Of course, in a simulator would be O.K. >Attention ANA76, VAR89, TYD457: Lookout for each other, the shape >extension is gone and we can't tell you appart. >[General Broadcast] - Everybody: the server has gone down and we need >5 minutes to get it and the ATC running... Trty not to crash. These concerns are real. Air Traffic Control has to be man-rated, or at least it has to avoid degrading safety. I work in this area, and X performance (as well as reliability) is not yet up to the requirement. Harry Erwin erwin@trwacs.fp.trw.com -- Harry Erwin Internet: erwin@trwacs.fp.trw.com