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| 1 | Network Virtualization Based Seamless Networking Scheme for Fiber-Wireless (FiWi) Networks显示文摘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. | DAI Qinglong ZOU Jianfeng SHOU Guochu HU Yihong GUO Zhigang | 2014 | China Communications2014，11，5： | 3 |
| 2 | 虚拟网络映射的电信级优化问题研究显示文摘网络虚拟化技术是解决当前网络僵化问题的有效手段之一,虚拟网络映射是其中关键技术。文中采用一致的优化模型综合分析网络资源分配的现有技术方法,包括成本优化、收益优化、剩余资源优化、网络能耗优化。进一步针对电信级运营,分析了业务等级违约最小化、跨网络分域部署策略和博弈机制设计方案,论述了动态拓扑适应、接纳和可靠性控制的方法,以及采用比例计算节能的优化问题建模。 | 刘宇 王斌 王文鼐 | 2014 | 南京邮电大学学报(自然科学版)2014，34，1： | 1 |
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