N Network Functions Virtualization:Vision 国家重点实验室 Classical Network Appliance Network Functions Virtualisation Approach Approach Independent Software Vendors Competitive Innovative Virtual 新rtual Virtual Virtual Message CDN Session Border WAN Appliance Open Ecosystem Controller Acceleration Router Virtual Virtual Virtual 0.O Orchestrated, DPI Firewall Carrier Tester/QoE automatic remote install. Grade NAT monitor High volume standard servers MG Router BRAS Radio/Fixed Access Network Nodes High volume standard storage 。 Fragmented,purpose-built hardware. Physical install per appliance per site. Hardware development large barrier to entry for new vendors,constraining innovation High volume Ethernet switches competition. Natinat Key Eub on I3N,Xidian University 5