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中文摘要：
在多控制器SD N虚拟化环境中,以最小化控制通路平均时延、控制器负载失衡度和映射开销为目标, 分别建立多控制器部署问题和虚拟SDN映射问题的数学模型,提出一种多控制器条件下区分QoS的虚拟SDN映 射方法.仿真结果表明该方法能够满足不同用户对虚拟SD N服务质量的需求,保持多控制器的负载均衡,提高 了映射成功率和收益开销比.
英文摘要：
In SDN virtualization environment under multiple controllers, with the goal of minimum the mean delay be-tween control paths, the load imbalance of controllers, and the cost of embedding, mathematical models of the controller placement and the virtual SDN embedding problem were built, and a virtual SDN embedding method with differentiated QoS under multiple controllers was proposed. The simulation results show that the proposed algorithm can satisfy various virtual networks QoS for users, keep load balance between controllers and increase the acceptance ratio and the reve- nue/cost ratio.
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