The Air-Mobile Ground Security and Surveillance System (AMGSSS) is being developed to provide a rapidly deployable, highly mobile, extended-range surveillance capability for force protection and tactical security. In order to rapidly develop a sensors package prototype, we used modular embedded PCs and the Internet TCP/IP protocol as the communication backbone between subsystems. This allowed all subsystems to be developed in parallel from geographically distant locations. The first-cut prototype was a virtual system residing on various desktop computers connected by the Internet. As embedded hardware became available, the desktop modules were gradually replaced. The result is an extremely flexible system, where modules can be added or replaced, swapped with desktop processors for debugging, or physically relocated to distant locations, with only a few changes in a text hosts-table file. Updated software can be downloaded to the embedded systems from their virtual counterpart via FTP. ..
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