| A Multiobjective Optimization Algorithm for QoS-Aware Path Selection in DiffServ and MPLS Networks |
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| 作者姓名： | 邵华钢 陈逍 汪为农 |
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| 作者单位： | Dept. of Computer Science and Eng. Shanghai Jiaotong Univ.，Network Center Shanghai Jiaotong Univ. Shanghai 200030 China，Dept. of Computer Science and Eng. Shanghai Jiaotong Univ.，Network Center Shanghai Jiaotong Univ. Shanghai 200030 China，Network Center Shanghai Jiaotong Univ.，Shanghai 200030 China，Shanghai 200030 China，Shanghai 200030 China |
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| 摘 要： | Introduction The enlargement of the Internet user commu-nity has generated the need for IP-based applica-tions requiring guaranteed quality of service (QoS)characteristics. For providing per-flow serviceguarantees without a per-flow state in the corerouters, the integration of DiffServ and multi-pro-tocol label switching (MPLS)1]architecture hasbeen proposed. The MPLS architecture provides adistributed way for resource reservation and QoSpath setup through the use of a Label Distribut…
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A Multiobjective Optimization Algorithm for QoS-Aware Path Selection in DiffServ and MPLS Networks |
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| SHAO Hua-gang,CHEN Xiao,WANG Wei-nong.A Multiobjective Optimization Algorithm for QoS-Aware Path Selection in DiffServ and MPLS Networks[J].Journal of Shanghai Jiaotong university,2006,11(4). |
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| Authors: | SHAO Hua-gang CHEN Xiao WANG Wei-nong |
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| Institution: | 1. Dept. of Computer Science and Eng.,Shanghai Jiaotong Univ.,Shanghai 200030,China;Network Center,Shanghai Jiaotong Univ.,Shanghai 200030,China
2. Network Center,Shanghai Jiaotong Univ.,Shanghai 200030,China |
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| Abstract: | A multiobjective quality of service (QoS) routing algorithm was proposed and used as the QoS-aware path selection approach in differentiated services and multi-protocol label switching (DiffServ-MPLS) networks. It simultaneously optimizes multiple QoS objectives by a genetic algorithm in conjunction with concept of Pareto dominance. The simulation demonstrates that the proposed algorithm is capable of discovering a set of QoS-based near optimal paths within in a few iterations. In addition, the simulation results also show the scalability of the algorithm with increasing number of network nodes. |
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| Keywords: | quality of service(QoS)-aware path selection multiobjective optimization multi-protocol label switching(MPLS) differentiated services(DiffServ) |
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