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In the open and dynamic pervasive computing environment, it is challenging to detect and handle the frequently occurred failures of service request. The widely used transparent mechanisms Remote Procedure Call and Object Request Broker have a great impact on the adaptive fault-tolerance, because they make it difficult for service requester to sense, configure and control the service request process...
Powerful and cheap computing devices are flooding the world, which arises the primary challenge for pervasive computing: how to represent devices and their functions without distracting user attention. Most existing pervasive computing platforms use traditional components and services as the answer. However, both of them have limitations. Existing services in the form of Interface are small in granularity,...
Although a large number of consensus and atomic broadcast algorithms based on failure detectors have been published during the years, they are still criticized for poor performance in terms of communication latency. To reduce the latency, some algorithms based on optimistic assumptions have been proposed. When the optimistic assumption holds, these algorithms deliver messages more quickly than other...
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