为了解决目前互联网的设计缺陷,网络创新的全球化环境（Global Environment for Network Innovations,GENI）提出了全新的设计方案。主要描述了GENI的总体设计,分析了GENI的体系架构和网络拓扑,并讨论了方案中OpenFlow技术、虚拟化技术、可编程和网络管理等关键技术及其实现方法,最后展望了GENI的发展趋势。%In order to solve the defects of the Internet,a novel suite of infrastructures have been designed by the Global Environment for Network Innovations（GENI）. In this paper, the overall design of the GENI system is presented first, then the GENI architecture and network topology are analyzed. At the same time the key technologies,OpenFlow,Virtualization,programmability and network man- agement,used by GENI are discussed next. At last the future development of GENI is discussed.
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