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针对ASON网中动态RWA问题建立了相应的网络模型,并提出一种基于分布估计算法的动态RWA算法.与传统RWA算法相比,该算法在可行解搜索空间及计算量上大大降低,为算法在工程上的实现提供了可行性.仿真实验结果表明,提出的新算法搜索效率高、求解速度快且能够获得高质量的全局近似最优解,具有较强的实用性.
Aiming at the dynamic RWA problem in ASON network, a corresponding network model is established and a dynamic RWA algorithm based on distribution estimation algorithm is proposed. Compared with the traditional RWA algorithm, this algorithm greatly reduces the search space and computational complexity of the feasible solution, The simulation results show that the new algorithm proposed in this paper has high searching efficiency, fast solution speed and high quality global approximate optimal solution, which is of strong practicability.