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北京邮电大学 网络与交换技术国家重点实验室,北京 100876
[ "肖蔼玲(1987-),女,山东烟台人,北京邮电大学博士生,主要研究方向为云计算、未来网络管理、数据仓库与数据挖掘。" ]
[ "王颖(1976-),女,辽宁昌图人,博士,北京邮电大学副教授,主要研究方向为云计算、未来网络管理、IT服务管理。" ]
[ "孟洛明(1955-),男,河南洛阳人,博士,北京邮电大学教授、博士生导师,主要研究方向为网络管理、通信软件。" ]
[ "邱雪松(1973-),男,江西上饶人,博士,北京邮电大学教授、博士生导师,主要研究方向为网络与业务管理。" ]
[ "李文璟(1973-),女,山西太古人,博士,北京邮电大学副教授,主要研究方向为未来网络管理、无线网络管理、自主管理。" ]
网络出版日期:2015-04,
纸质出版日期:2015-04-25
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肖蔼玲, 王颖, 孟洛明, 等. 面向多节点故障的生存性虚拟网络映射方法[J]. 通信学报, 2015,36(4):81-88.
Ai-ling XIAO, Ying WANG, Luo-ming MENG, et al. Virtual network embedding approach to survive multiple node failures[J]. Journal on communications, 2015, 36(4): 81-88.
肖蔼玲, 王颖, 孟洛明, 等. 面向多节点故障的生存性虚拟网络映射方法[J]. 通信学报, 2015,36(4):81-88. DOI: 10.11959/j.issn.1000-436x.2015141.
Ai-ling XIAO, Ying WANG, Luo-ming MENG, et al. Virtual network embedding approach to survive multiple node failures[J]. Journal on communications, 2015, 36(4): 81-88. DOI: 10.11959/j.issn.1000-436x.2015141.
针对网络虚拟化环境中虚拟网络的生存性问题,提出一种面向多节点故障的生存性虚拟网络映射方法。该方法预先在物理网络中按比例留出备份资源并根据拓扑属性构造节点的候选集合,在发生节点故障后从故障节点的候选集合中选取重映射目标并动态分配预留的备用资源来恢复受到影响的虚拟网络,提高长期运营利润。仿真实验在多节点故障模型下从适用性、稳定性及性能方面验证了该方法的有效性。
Considering the survivability of virtual networks in a network virtualization environment,a virtual network embedding approach was proposed to survive multiple node failures.It de backups proportionally in the substrate network and constructed a candidate set for each substrate node beforehand.To increase the long term business profit,it chosen the failover targets in the candidate set and dynamically allocates backups to recover the affected virtual networks after substrate node failures.The validity of this method is assessed by simulation experiments in terms of applicability,stability and performance under a multiple node failures model.
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