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A nested invocation suppression framework for active replication fault-tolerant CORBA

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4 Author(s)
Deron Liang ; Inst. of Inf. Sci., Acad. Sinica, Taipei, Taiwan ; Chen-Liang Fang ; Chyouhwa Chen ; JiChiang Tsai

Active replication is a common approach to building highly available and reliable distributed software applications. The redundant nested invocation (RNI) problem arises when servers in a replicated group issue nested invocations to another server group in response to a client invocation. Automatic suppression of RNI is always a desirable solution, yet it is usually a difficult design issue. In this research, we propose a new determinism reference model based on accomplishing the verification process in a more systematic manner The proposed determinism reference model consists of four levels, namely: ideal determinism, isomorphic determinism, similar determinism, and non-determinism. We consider a class of multi-threading CORBA environments to demonstrate the power of the proposed determinism reference model.

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Computer Software and Applications Conference, 2002. COMPSAC 2002. Proceedings. 26th Annual International

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