基于分簇的动态业务量疏导区分保护策略

doi:10.11959/j.issn.1000-436x.2015265

Journal on Communications ›› 2015, Vol. 36 ›› Issue (10): 37-46.doi: 10.11959/j.issn.1000-436x.2015265

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Differentiated protection strategy with dynamic traffic grooming based on clustering

Yu XIONG^1,²,Yuan-yuan LI¹,Jian-bo TANG¹,Ying ZHAO¹,Ru-yan WANG¹

¹ Key Laboratory of Optical Communication and Networks,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
² School of Computer Science,Chongqing University,Chongqing 400030,China

Online:2015-10-25 Published:2015-10-27
Supported by:
The National Natural Science Foundation of China;The Natural Science Foundation of Chongqing;The Science and Technology Project of Chongqing Municipal Education Commission;The Science and Technology Project of Chongqing Municipal Education Commission;The PhD Start-up Fund of Chongqing University of Posts and Telecommunications

Abstract

Abstract:

To make dynamic traffic grooming faster and more efficient,and achieve an intelligent differentiated protection,a differentiated protection strategy with dynamic traffic grooming based on clustering(DPS-DTGC)was proposed.The whole network topology was allocated some clusters based on maximal independent set,in order to reduce the routing time consumption.Meanwhile,by the cooperation of layered auxiliary graph,residual capacity matrix and cluster aggregation layer,the traffic in inter- and intra- clusters would been groomed to realize the reasonable planning of resources and the higher efficiency of grooming.Furthermore,according to the proportion of different priority traffic in one wavelength ,the link importance was evaluated and a smart P-cycle was designed to give differentiated protection to the link.The simulation results show this strategy can make a better utilization of network resource.And with the increase of network load,it will gain a good performance in blocking rate.

Key words: WDM network, dynamic traffic grooming, smart P-cycle, differentiated protection

Yu XIONG,Yuan-yuan LI,Jian-bo TANG,Ying ZHAO,Ru-yan WANG. Differentiated protection strategy with dynamic traffic grooming based on clustering[J]. Journal on Communications, 2015, 36(10): 37-46.

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