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In this paper a new algorithm based on the centralized algorithm for mutual exclusion in distributed systems is proposed that instead of one coordinator uses two coordinator On separate sites (But every moment One of them as coordinator whole system).In our method, if for any reason main Coordinator crashes, until recovery it, secondary coordinator controls critical section versus Simultaneous accesses...
One of the weaknesses and drawbacks of a computer compared to a human being is the creativity and intelligence of a human being in encountering with different problems and his power of deduction and reasoning. Therefore computer engineers have been trying to make computers more intelligent and inferential and reasonable in encountering with different problems. Thus in this article we have tried to...
Multicast routing with quality-of-service constraints is one of the most important problems in computer networks as constrained Steiner tree problem. It is a well-known NP-complete problem, which has various real-time multimedia applications in high-speed networks. In this paper, we propose algorithms to solve the bandwidth-delay-constrained least-cost multicast routing problem based on Tabu search...
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