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-According to the different optimization objects, peer selection strategy can be divided into three categories: robustness of system and load balance oriented, streaming quality oriented and network topology conglomeration oriented. This thesis describes their basic characters, typical methods and the latest progress, and also simulates the peer selection(More)
This paper gives a definition of the communication overhead among nodes in task scheduling and resource management in grid environment, presents rules of building QoS routing tree based on the QoS routing algorithm, proposes grid heap-sort algorithm and QoS routing algorithm, and designs a scheme of grid task scheduling with the help of them. The results of(More)
Internet applications require high-performance network server architecture. This paper proposes a kind of software architecture for network server, MEANS, which aims at supporting Internet applications. By introducing a new thread abstraction, micro-thread, MEANS upwardly provides the micro-thread environment to programmers, and downwardly accesses the OS(More)
In advance reservation environment, failure discovery strategy is very important to keep the normal running of whole system. One job's overtime (exceeding its booked time) may lead to a serious of jobs' abnormal termination in co-allocation environment. So there should be some strategies to solve this problem. In this paper, a novel overtime-tolerance(More)
In this paper, we propose a new approach to depth map generation for multiview video system. Our goal is to improve 3D scene representation consistency by exchanging spatial information between all depth maps in multiview video. The presented algorithm mainly adopts Scale Invariant Feature Transform (SIFT) and jointly disparity and disparity estimation(More)
Mobile Ad Hoc Networks (MANETs) are self-configuring dynamic networks of mobile devices connected by wireless links without any fixed infrastructure or centralized administration. In order to achieve stable clusters, the cluster-heads (CHs) maintaining the cluster should be stable with minimum re-affiliation times and number of changes on CHs, with maximal(More)