The major contributions of this thesis include: 1) To formulate a set of multi-objective integer nonlinear programming (MOINLP) equations to the general grooming problems in SONET/WDM rings with both static and dynamically changing traffics;

• 本文的主要贡献是：1)用一组多目标整数非线性规划方程对SONET/WDM环网络中静态与动态流量疏导问题进行了统一的严格的数学描述；