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This paper analyzes in detail the difficulties and issues that must be faced when running MPI (Message Passing Interface) applications over non-dedicated infrastructures. Alternatives to overcome these issues on a specific opportunistic infrastructure, called UnaCloud, are presented. We designed and implemented a UnaCloud extension to allow automatic recovery of the execution of MPI applications....
To keep up with the dynamic open and isomerous environment of pervasive computing, a method which applies the trust evaluation and adaption technologies into the dynamic adjustment of component services is raised. In this method and to combine with the pervasive computing features firstly, the service credibility can be measured by reliability, availability, timeliness and integrity. The calculation...
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