The problem of Capacity and Flow Assignment(CFA)in design of computer communication nework(CCN)is a complicated nonlinear 0-1 programming. It is hard to solve CFA effectively and acquire a satisfactory solution by using traditional mathenatical methods.

• 计算机通信网中将路由选择和链路容量分配综合起来考虑时的优化设计模型（CFA）是一个复杂的非线性0－1规划，若采用传统的数学方法求解，无法快速有效地求得工程满意解。