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J. KIMS Technol > Volume 18(6); 2015 > Article
Journal of the Korea Institute of Military Science and Technology 2015;18(6):762-770.
DOI: https://doi.org/10.9766/KIMST.2015.18.6.762   
A Fault-Tolerant Scheme Based on Message Passing for Mission-Critical Computers
Taehyon Kim, Jungil Bae, Jinbeom Shin, Kilseok Cho
The 1st Research and Development Institute, Agency for Defense Development
임무지향 컴퓨터를 위한 메시지패싱 고장감내 기법
김태현, 배정일, 신진범, 조길석
국방과학연구소 제1기술연구본부
Abstract
Fault tolerance is a crucial design for a mission-critical computer such as engagement control computer that has to maintain its operation for long mission time. In recent years, software fault-tolerant design is becoming important in terms of cost-effectiveness and high-efficiency. In this paper, we propose MPCMCC which is a model-based software component to implement fault tolerance in mission-critical computers. MPCMCC is a fault tolerance design that synchronizes shared data between two computers by using the one-way message-passing scheme which is easy to use and more stable than the shared memory scheme. In addition, MPCMCC can be easily reused for future work by employing the model based development methodology. We verified the functions of the software component and analyzed its performance in the simulation environment by using two mission-critical computers. The results show that MPCMCC is a suitable software component for fault tolerance in mission-critical computers.
Key Words: Engagement Control System, Fault-Tolerant Computer, Message Passing Synchronization, Model-Based Development
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