The heuristic initializtion groups, it, in which QoS metrics are considered, can speeds up the algorithm convergence and deliver the good characteristics to the offspring.

• 3.；启发式初始种群生成，采用启发式方法，兼顾了各种QoS度量，使后代能尽量继承好的性能（满足QoS约束且费用较小），加快了算法收敛的速度。