Design & analysis of fault tolerant digital systems
Design & analysis of fault tolerant digital systems
An adaptive load balancing method in the computational field model
OOPSLA/ECOOP '90 Proceedings of the workshop on Object-based concurrent programming
Reliability of a distributed search engine for fresh information retrieval in large-scale intranet
ISPA'03 Proceedings of the 2003 international conference on Parallel and distributed processing and applications
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In large scale distributed systems, fault tolerant computing is important because each module module not be always reliable. Fault tolerant computing is not essentially needed to solve a problem. However, it is useful to eucute a computing correctly. Tn this paper, we propose th e usage of computational field model(CFM) as a framework to reuse sitch computing. Computational Field is shared virtual space which abstracts distributed systems. It is possible to construct portable applications by applying algorithms to CFM. At first, we employ Triple Module Redundancy(TMR) as basic technique for fault tolerant computing in order to support real-time applications. Next, we assume the locality of fault. occasion. For an example, physical crash causes faults locally. In such a case, each module should be distributed to increase system reliability. However, when they are distributed, system performance may be decreased because communication cost is increased. Thus, fault tolerance is related to system performance. In our approach, it is possible to accomplish both resource allocation and fault tolerant computing at the same time.