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摘要： 网络编码能够有效降低网络中关键边的资源消耗，改善网络的负载均衡。但是普通的启发式路由算法通常只能为单个业务寻找最优路由，无法优化网络的整体性能。运用column generation算法对网络编码业务进行规划，为松弛系数赋予具体的物理含义，并据此进行路径更新，有针对性地为每个业务寻找路由。与启发式算法相比，column generation从整体上提高了网络的吞吐量，改善了网络的负载均衡。同时，与普通ILP算法相比，column generation算法无需计算大量备选路径，且函数始终处于收敛状态，不会产生振荡，求解总时间缩短了23.5％，总代价优化2.5％。
