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接纳控制是为保证服务质量而采取的一种预防性负载控制机制,将其引入无源光网络(PON),在传统的接纳控制算法基础上提出支持用户服务等级协议(SLA)的接纳控制方法,将系统资源划分为不同类别,保证不同等级用户的接入请求.具体分析并验证了该方法可提高高级别用户接入请求的性能. 相似文献
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In order to reduce cost and complexity,fiber-wireless(FiWi) networks emerge,combining the huge amount of available bandwidth of fiber networks and the flexibility,mobility of wireless networks.However,there is still a long way to go before taking fiber and wireless systems as fully integrated networks.In this paper,we propose a network visualization based seamless networking scheme for FiWi networks,including hierarchical model,service model,service implementation and dynamic bandwidth assignment(DBA).Then,we evaluate the performance changes after network virtualization is introduced.Throughput for nodes,bandwidth for links and overheads leaded by network virtualization are analyzed.The performance of our proposed networking scheme is evaluated by simulation and real implementations,respectively.The results show that,compared to traditional networking scheme,our scheme has a better performance. 相似文献
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