一种基于网络编码的共享树组播算法  

A Shared-tree Multicast Algorithm Based on Network Coding

作　　者：王汝言[1] 刘成耀[1] 吴大鹏[1] 

机构地区：[1]重庆邮电大学重庆市光纤通信技术重点实验室,重庆400065

出　　处：《半导体光电》2010年第5期767-770,786,共5页Semiconductor Optoelectronics

摘　　要：文章针对传统共享树组播算法在网络资源消耗和负载平衡方面的不足,提出了一种基于网络编码的共享树组播算法。该算法在减小网络编码节点个数,最大限度提高链路共享程度的情况下,对多点到多点的组播建立具有网络编码功能的共享树进行数据传输。仿真结果表明,该算法较传统共享树组播方法而言更能有效减少波长资源消耗并均衡网络负载。In order to solve the inferior problem on network resource consumption and link load in the traditional shared tree multicast algorithm,a new shared-tree multicast algorithm based on network coding is proposed.Based on reducing the number of network coding node and maximizing the optical link-sharing,a shared-tree structure based on network coding to transfer data is constructed for multipoint-to-multipoint multicast.Simulation results show that the algorithm can effectively reduce the consumption of the wavelength resources and balance network load in comparison with the traditional multicast shared-tree algorithm.

关 键 词：网络编码 共享树 负载平衡 波长资源 

分 类 号：TN915[电子电信—通信与信息系统]