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Dynamic resource management using bandwidth brokers
查看参考文献12篇
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文摘
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The admission control issue in the design of a centralized bandwidth broker model for dynamic control and management of QoS provisioning is studied. A two-phase differentiated flow treatment based dynamic admission control scheme under the centralized bandwidth broker model is proposed. In the proposed scheme, the flow requests are classified into two classes and get differentiated treatment according to their QoS demands. We demonstrate that this admission control scheme can not only improve the resource utilization but also guarantee the flows' QoS. Furthermore, the admission control is divided into two phases: edge admission control and interior admissio-n control. During the interior phase, the PoQ scheme is adopted, which enhances the call processing capability of the bandwidth broker. The simulation results show that the proposed scheme can result in lower flow blocking probability and higher resource utilization. And it also reduces the number of QoS state accesses/updates, thereby increasing the overall call processing capability of the bandwidth broker. |
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来源
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Journal of Systems Engineering and Electronics
,2006,17(3):660-668 【核心库】
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关键词
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admission control
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quality of services
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bandwidth broker
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地址
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1.
Dept. of Computer Science and Engineering, School of Information Science and Technology,Beijing Inst. of Technology, Beijing, 100081
2.
Shenyang Inst. of Technology, Shenyang, 110168
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1004-4132 |
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学科
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自动化技术、计算机技术 |
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文献收藏号
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CSCD:2621395
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12
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