Istituto di Scienza e Tecnologie dell'Informazione     
Di Giandomenico F., Bondavalli A., Xu J., Chiaradonna S. Hardware and software fault tolerance: definition and evaluation of adaptive architectures in a distributed computing environment. In: ESREL'97 - Advances in safety and reliability : proceedings of the ESREL'97 International conference on safety and reliability (Lisbon Portugal, 17-20 June 1997). Proceedings, vol. 1 pp. 341 - 348. C. Guedes Soares. Elsevier, 1997.
This paper discusses the issue of providing tolerance to both hardware and software fauls by defining several hybrid-faul-tolerant architectures, wich can co-exist and work simultaneously at the top of the supporting environment, and introduces a systematic method for evaluating their dependability efficiency and reponse time. To addredd general- purpose distributed system where multiple unrelated applications may compete for system resourses, our architectural solutions have an important concern with adaptation in the use of redunancy according to system conditions
Subject Adaptive architectures
Distributed computing environment
Hardware and software faul tolerance
Response time

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