Architecture optimization of aerospace computing systems

Pedar, A. ; Sarma, V. V. S. (1983) Architecture optimization of aerospace computing systems IEEE Transactions on Computers, 32 (10). pp. 911-922. ISSN 0018-9340

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Simultaneous consideration of both performance and reliability issues is important in the choice of computer architectures for real-time aerospace applications. One of the requirements for such a fault-tolerant computer system is the characteristic of graceful degradation. A shared and replicated resources computing system represents such an architecture. In this paper, a combinatorial model is used for the evaluation of the instruction execution rate of a degradable, replicated resources computing system such as a modular multiprocessor system. Next, a method is presented to evaluate the computation reliability of such a system utilizing a reliability graph model and the instruction execution rate. Finally, this computation reliability measure, which simultaneously describes both performance and reliability, is applied as a constraint in an architecture optimization model for such computing systems.

Item Type:Article
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ID Code:61399
Deposited On:15 Sep 2011 03:36
Last Modified:15 Sep 2011 03:36

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