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To solve the congestion of network on Internet and improve the throughput, the thesis puts forward an improved algorithm based RED and display feedback mechanism. The average queue length always is close to the max threshold in RED algorithm, and then the delay of the packet is very long. The throughput of the network is low. The new way that using BP NN forecasts the network's situation in the future...
Along with the rapid growth of the number of the available Web services over the Internet, the quality of services (QoS) becomes an imperative concern for service consumers and providers. How to differentiate their quality based on Qos criteria at Web service level is a challenging issue. Considering that evolutionary algorithm has powerful ability of searching information, a new Web service composition...
Using performance model to analyze the Internet service is prevailing. However, the research of the performance model for mail server retrains in the immature status. In this paper, based on the queue theory, we propose a performance model for Domino mail server. The verification and analysis of the model are also presented. The experimental results show that this model characterizes the behavior...
In this paper, structural engineering experiment grid (SEE-grid) is proposed. The goal of SEE-grid is to pool together structure engineering facilities and experimental data and knowledge among physically and administratively distributed communities. The service-oriented, hierarchical architecture of SEE-grid is present. The key issues of SEE-grid, including the experiment management and data management,...
The complexity of the high performance Web-based application challenges the traditional approaches, which fail to guarantee the reliability and real-time performance required. In this paper, we have studied the adaptive mechanisms for managing such applications and explained them based on a prototype of an adaptive application management system (AMUS) in cluster. AMUS is composed of the SLA event-driven...
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