Hi, Curt has pointed out some of the problems in using a non-real time operating system for real-time simulation but there are standards,software and hardware for this (see POSIX 1003.1d etc,real time linux,solaris,vxworks etc) although as has been mentioned portability is an issue. Also distributed systems are now "well-founded" (see various Beowulf papers,PVM,MPI etc) so there is scope there. Maybe the property lists could be promulgated using a simple "directory" style database (eg LDAP if it has the performance needed) as most modules will probably write properties to be read by other modules so simultaneous writing of a particular property will not be a problem. Maybe all this is a bit "academic" and I have been interested to read comments so will ferret around a bit and see what can be done. I am retired now but spent >30 years in Nuclear Physics doing real-time data acquisition,analysis and display on distributed systems and have some experience in graphics,networking,security etc but I dont want to spoil the fun for the youngsters!!! cheers Jim p.s. What really need is to get away from Von Neumann control flow architecture and have massively parallel dataflow machines - werent they called analogue computers?!
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