电力骨干光传输网络的动态波道均衡路由波长分配算法  

Wave-channel Balanced Dynamic Routing and Wavelength Assignment Algorithm for Power Optical Transport Network

作　　者：孙毅[1] 周爽[1] 陆俊[1] 孙跃[1] 杜娜[2] 

机构地区：[1]华北电力大学电气与电子工程学院,北京市102206 [2]国网北京经济技术研究院,北京市102209

出　　处：《电力系统自动化》2016年第13期114-120,共7页Automation of Electric Power Systems

基　　金：国家电网公司科技项目(SGKJ2015-9)~~

摘　　要：提出一种电力光传输网络中基于业务的路由波长分配(RWA)算法。算法设计旨在解决复杂电力光传输网络拓扑下,多业务等级请求路由波长分配问题。首先根据复杂网络拓扑情况与业务请求状况,完成业务请求合并与对跨域业务的路由选择;其次依据域内与域间优先级设定策略,完成业务请求优先级设定,并按照优先级顺序,采用分组波长分配算法完成波长分配。仿真结果表明,算法在处理大规模复杂网络拓扑、多业务等级路由波长分配问题上,有效降低了网络请求阻塞率,提高了光传输网络资源利用率。A wave channel balanced dynamic routing and wavelength assignment （RWA） algorithm based on service is proposed for electricity optical transport network. This algorithm is designed to solve RWA problems of multi-service level request in the complicated power optical transmission network. The service mergers and the routing of cross-domain business request are completed according to complex network topology and service request status. The priority problem of the service request is then completed based on the inter-domain and domain priority setting strategy. The wavelength assignment by the priority is finally completed by using the packet wavelength assignment algorithm. Simulation results show that the algorithm can effectively reduce the network request blocking rate and increase the optical transmission network resource utilization, and in dealing with large and complex network topology and the multi-service RWA grade.

关 键 词：光传输网络 多域 多业务 路由波长分配 波道均衡 

分 类 号：TM73[电气工程—电力系统及自动化] TN929.1[电子电信—通信与信息系统]