N 国家重点实验室 1.background and motivation Trends Mobility,explosion of devices and traffic Application of cloud services ● High performance industry standard servers shipped in very high volume ● Convergence of computing,storage and networks ● New virtualization technologies that abstract underlying hardware yielding elasticity,scalability and automation ● Software-defined networking technique and NFV need each other,which also makes beneficial to each other 2020/5/21 Dr.Zhanqi xu,National Key Lab on ISN,Xidian University 2