VIRTUALIZATION

作品数：183被引量：191H指数：5
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Virtual network function scheduling via multilayer encoding genetic algorithm with distributed bandwidth allocation被引量：5
《Science China(Information Sciences)》2018年第9期87-105,共19页Quan YUAN Hongbo TANG Wei YOU Xiaolei WANG Yu ZHAO 
supported by Foundation for Innovative Research Groups of National Natural Science Foundation of China(Grant No.61521003);National Key Research and Development Program of China(Grant No.2016YFB0801605)
Network function virtualization represents a revolutionary approach to network service deployment. This software-oriented approach for virtual network functions（VNFs） deployment enables more flexible and dynamic net...
关键词：network function virtualization virtual network function scheduling genetic algorithm band-width allocation convex optimization 
Asymmetric virtual machine replication for low latency and high available service被引量：1
《Science China(Information Sciences)》2018年第9期135-149,共15页Rong CHEN Haibo CHEN 
Providing fault tolerance support to client-to-server applications is critical in the data center and cloud computing environments. Virtualization provides a direct way of achieving high availability by encapsulating ...
关键词：VIRTUALIZATION fault tolerance VM replication memory CPU scheduling 
IO dependent SSD cache allocation for elastic Hadoop applications被引量：1
《Science China(Information Sciences)》2018年第5期51-67,共17页Zhen TANG Wei WANG Lei SUN Yu HUANG Heng WU Jun WEI Tao HUANG 
supported by National Key Research and Development Program of China (Grant No. 2016YFB1000103);National Natural Science Foundation of China (Grant No. 61572480);Tianjin Massive Data Processing Technology Laboratory, and Youth Innovation Promotion Association, Chinese Academy of Sciences (Grant No. 2015088)
Elastic Hadoop applications consisting of multiple virtual machines （VMs） are widely used to support big data analysis and processing. In this scenario, flash-based solid state drive （SSD） is usually deployed on h...
关键词：HADOOP SSD CACHE resource management VIRTUALIZATION 
Energy consumption optimization-based joint route selection and flow allocation algorithm for software-defined networking被引量：1
《Science China(Information Sciences)》2017年第4期67-80,共14页Rong CHAI Haipeng LI Feiying MENG Qianbin CHEN 
supported by National Science and Technology Specific Project of China (Grant No. 2016ZX03001010-004);Special Fund of Chongqing Key Laboratory (CSTC);Project of Chongqing Municipal Education Commission (Grant No. Kjzh11206)
Software-defined networking（SDN） is expected to dramatically simplify network control processes,enable the convenient deployment of sophisticated networking functions, and support user applications with guaranteed q...
关键词：software-defined networking VIRTUALIZATION route selection flow allocation energy consumption 
Recent advances and future challenges for mobile network virtualization被引量：3
《Science China(Information Sciences)》2017年第4期1-12,共12页Xiaofeng TAO Yan HAN Xiaodong XU Ping ZHANG Victor C.M.LEUNG 
supported by National High Technology Research and Development Program of China (Grant No. 2014AA01A701);Nature and Science Foundation of China (Grants Nos. 61325006, 61421061);International Collaboration Project (Grant No. 2015DFT10160);Beijing Training Project for the Leading Talents in S&T (Grant No. Z141101001514026);111 Project of China (Grant No. B16006)
Recently, network function virtualization（NFV） was proposed as a paradigm shift in the telecommunication industry. Both industry and academia have drawn significant attention in mobile network virtualization.NFV dec...
关键词：network function virtualization mobile networks software defined networking network functions 5G network slicing 
VNF-FG design and VNF placement for 5G mobile networks被引量：9
《Science China(Information Sciences)》2017年第4期13-27,共15页Jiuyue CAO Yan ZHANG Wei AN Xin CHEN Jiyan SUN Yanni HAN 
supported in part by National Science Foundation of China (Grant Nos. 61303250, 61302031);Strategic Pilot Project of Chinese Academy of Sciences (Grant No. XDA06010306);Scientific Research Foundation of the Institute of Information Engineering, Chinese Academy of Sciences (Grant No. Y6Z0011105)
Network function virtualization（NFV） is envisioned as one of the critical technologies in 5thGeneration（5G） mobile networks. This paper investigates the virtual network function forwarding graph（VNFFG） design an...
关键词：network function virtualization VNF-FG design VNF placement multi-objective optimization genetic algorithm 
Towards win-win： weighted-Voronoi-diagram based channel quantization for security enhancement in downlink cloud-RAN with limited CSI feedback被引量：2
《Science China(Information Sciences)》2017年第4期28-44,共17页Dongyang XU Pinyi REN Qinghe DU Li SUN Yichen WANG 
supported by National Natural Science Foundation of China (Grant No. 61431011);National High-Tech R&D Program of China (863) (Grant No. 2014AA01A707);National Science and Technology Major Project (Grant No. 2016ZX03001016-005);Fundamental Research Funds for the Central Universities
Physical layer（PHY） security is recently proved to enable improving the security of wireless communication networks. In downlink frequency division duplex（FDD） cloud radio access network（C-RAN）, the performance ...
关键词：C-RAN VIRTUALIZATION physical layer security Grassmann manifold channel quantization 
Storage and computing resource enabled joint virtual resource allocation with Qo S guarantee in mobile networks
《Science China(Information Sciences)》2017年第4期45-55,共11页Xiaodong XU Jiaxiang LIU Wenwan CHEN Yanzhao HOU Xiaofeng TAO 
supported by International Collaboration Project (Grant No. 2015DFT10160);National Natural Science Foundation of China (Grant Nos. 61471068, 61421061, 61325006);National High-Tech R&D Program of China (863) (Grant No. 2014AA01A701);National Major Project (Grant No. 2016ZX03001009-003);Beijing Training Project for the Leading Talents in S&T (Grant No. Z141101001514026);111 Project of China (Grant No. B16006)
Virtualization is the trend for the future mobile networks. With the advantage of virtualization,we can abstract the physical mobile network into the virtual network function（VNF） and design the network without the ...
关键词：VIRTUALIZATION resource allocation CACHE computing resource effective capacity C-RAN 
Evaluating the impacts of hugepage on virtual machines
《Science China(Information Sciences)》2017年第1期31-46,共16页Xiaolin WANG Taowei LUO Jingyuan HU Zhenlin WANG Yingwei LUO 
supported by National Natural Science Foundation of China (Grant Nos. 61232008, 61272158, 61328201, 61472008, 61170055);National High-tech R&D Program of China (863) (Grant Nos. 2012AA010905, 2015AA015305);Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20110001110101);Zhenlin WANG is also supported by National Science Foundation (Grant No. CSR1422342)
Modern applications often require a large amount of memory. Conventional 4KB pages lead to large page tables and thus exert high pressure on TLB address translations. This pressure is more prominent in a virtualized s...
关键词：hugepage memory management translation lookaside buffer VIRTUALIZATION PERFORMANCE 
Opaque virtual network mapping algorithms based on available spectrum adjacency for elastic optical networks被引量：4
《Science China(Information Sciences)》2016年第4期16-26,共11页Hongxiang WANG Jingxi ZHAO Hui LI Yuefeng JI 
supported by National High Technology Research and Development Program of China (863 Program) (Grant No. 2013AA014501);National Natural Science Foundation of China (Grant No. 61372118)
Optical network virtualization enables multiple virtual optical networks constructed for different infrastructure users（renters） or applications to coexist over a physical infrastructure. Virtual optical network（VO...
关键词：optical network virtualization opaque virtual optical network mapping algorithm elastic optical networks （EONs） 
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