Despite the broad application of GA(Genetic Algorithm) and ACO(Ant Colony Optimization algorithm) in multicast routing problem,they both have the paradox between the time and the optimization result.

• 遗传算法、蚁群优化算法已在多播路由优化问题中得到了广泛应用,但由于算法本身的缺陷,二者在具体应用时都存在着时间性能与优化性能之间的矛盾。