Distributed Communications in Embedded Military Systems 940139

The development of the Standard Army Vetronics Architecture (SAVA) is our response to performance and cost issues raised in a highly volatile arena. The architecture provides application developers with a network type interface to distributed communications facilities. Technology insertion with minimal system impact is provided through interface standardization. Currently a token ring bus with redundancy and reconfiguration built in at the data link and physical link layers provides a fault tolerant communications link. SAVA shows promise in providing emerging embedded systems with a communications platform that can respond to evolving technology.
The rapid evolution of technology coupled with the rising costs of fielding and maintaining new systems has made the goal of maintaining a state of the art ground combat vehicle a dubious task. An evolving array of subsystems dealing with vehicle command and control, mobility, lethality, and survivability make increasingly sophisticated vehicles possible. However, the cost and time to design and develop a new vehicle system coupled with the relatively high per item cost and low production numbers is forcing developers to adapt their design process.
The Standard Army Vetronics Architecture (SAVA) is an open systems architecture that features a distributed communications facility. The goal of the architecture is to provide the U.S. Army with a cost effective means of developing and maintaining state of the art ground combat vehicle systems. SAVA provides the systems designer with a fault tolerant electronics architecture capable of adopting improved technology. Our focus will be on the distribution of data between concurrent processes within SAVA. However, because of the contextual nature of the SAVA components, a brief overview of the architecture is presented.


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