Finally, a heuristic algorithm about ring network RWA problems is proposed and some different characteristics of planning WDM optical networks respectively by ring and star architecture are compared.

• 最后，本文还构造了一个解决环网中路由与波长分配问题的启发式算法，利用算法的计算结果研究了用环形和星形两种结构设计WDM光网络时的不同特性。