通过对自适应路由和动态备选路由算法的性能分析 ,研究了波长选择和波长交换这两种类型的全光网络在动态业务下的阻塞性能 ,并提出了将动态波长分配与自适应路由选择相结合的算法 数值结果表明 :1)相比波长交换网络而言 ,多纤波长选择网络是更为经济且切实可行的选择 ;2 )动态备选路由算法可以获得与自适应路由算法相似的性能 ,并且文中所提出的算法能够更好的提高网络的阻塞性能 分析表明 :不同算法的性能与网络拓扑的连接度以及备选路由的数目密切相关 By analyzing the performance of adaptive routing and dynamic alternative routing algorithms, we study the blocking performance of the two types of all-optical networks, which are wavelength selection and wavelength switching, under dynamic traffic. We propose that dynamic wavelength allocation and adaptive routing The numerical results show that: 1) Multi-fiber wavelength selection network is more economical and feasible than wavelength switching network; 2) Dynamic alternative routing algorithm can get similar performance to adaptive routing algorithm , And the proposed algorithm can improve the blocking performance of the network better. Analysis shows that the performance of different algorithms is closely related to the connectivity of the network topology and the number of alternative routes