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针对支撑现代服务业的异构融合通信网络适配层对QoS能力的要求,设计基于Parlay APIs的QoS SCF接口,分析该接口在现代服务业中的应用。给出的QoS SCF接口能够保障网络切换时业务的连续性,实时反馈网络的资源使用状况,支持用户对QoS的偏好设置。仿真结果表明了该接口的功能实现。当网络负载较大时,在保证正常运行情况下,QoS SCF可以使业务吞吐量提高近50%。
According to the QoS requirements of heterogeneous converged communication network adaptation layer supporting modern service industry, QoS SCF interface based on Parlay APIs is designed and the application of this interface in modern service industry is analyzed. The given QoS SCF interface can guarantee the continuity of the service when the network is switched over, and feed back the resource usage status of the network in real time to support the preference setting of the QoS for the user. Simulation results show the function of this interface. When the network load is large, QoS SCF can increase the service throughput by nearly 50% while ensuring normal operation.