一种适合多域WDM 光网络的拓扑聚合算法.PDF

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一种适合多域WDM 光网络的拓扑聚合算法.PDF

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一种适合多域WDM 光网络的拓扑聚合算法

35 20 2009 10 Vol.35 No.20 Computer Engineering October 2009 ·· 2009 A TP312 WDM ( 212013) O(N) Topology Aggregation Algorithm Suitable for Multi-domain WDM Optical Network XIAO Shang-de, ZHU Na, CHEN Zu-ping (School of Computer Science and Telecommunications Engineering, Jiangsu University, Zhenjiang 212013) AbstractA kind of topology aggregation algorithm suitable for multi-domain Wavelength Division Multiplex(WDM) optical network is proposed according to its characteristics. The algorithm constructs full-mesh topology with original topological graph. Full-mesh topology is furtherly compressed into asymmetric star. Simulation with randomly generated networks shows that the algorithm can effectively compress information with a little loss of accuracy. The complexity after compression can be lowed to O(N) compared with full-mesh topology. Key wordsmulti-domain Wavelength Division Multiplex(WDM) optical network; topology aggregation; asymmetric star; compression 1 G( V, E , B , W)( V, E , B W [1] (ASON) [2] ) V M 1, 2, , M B N W K 1, 2, , K 2.1 [2] 2 2 WDM