SDN 交換機核心技術-流量分類以及應用辨識技術.pdf

SDN 交換機核心技術-流量分類以及應用辨識技術 黃能富教授 國立清華大學特聘教授 ,資工系教授 捷鎏科技創辦人 威播科技創辦人 E-mail: nfhuang@.tw Contents 1 Introduction to SDN Networks 2 Key Issues of SDN Switches 3 Machine Learning Based Applications Classification 4 Cloud + MLAC + SDN networks 5 Demo (Video) 6 Conclusions 2 / 41 Today’s routers Routing, management, mobility management, access control, VPNs, … Feature Feature Million of 6,000 RFCs lines OS of source code Custom Hardware Billions of Bloated Power Hungry gates • Vertically integrated, complex, closed, proprietary • Networking industry with “mainframe” mindset 3 / 41 What SDN really is AppAppAppAppAppAppAppAppAppAppApp Specialized Features Open Interface Specialized Control Control Control Control Plane or Plane or Plane Plane Open Interface Specialized Hardware Merchant Switching Chips Vertically integrated Horizontal Closed, proprietary Open interfaces Slow innovation Rapid in