摘要
By extracting the control plane from the data plane, SDN en?ables unprecedented flexibility for future network architec?tures and quickly changes the landscape of the networking industry. Although the maturity of commonly accepted SDN security practices is the key to the proliferation of cloud DCN, SDN security research is still in its infancy. This pa?per gives a top?down survey of the approaches in this area, discussing security challenges and opportunities of software?defined datacenter networking for cloud computing. It lever?ages the well?known confidentiality?integrity?availability (CIA) matrix and protection?detection?reaction (PDR) model to give an overview of current security threats and security mea?sures. It also discusses promising research directions in this field.
By extracting the control plane from the data plane, SDN en?ables unprecedented flexibility for future network architec?tures and quickly changes the landscape of the networking industry. Although the maturity of commonly accepted SDN security practices is the key to the proliferation of cloud DCN, SDN security research is still in its infancy. This pa?per gives a top?down survey of the approaches in this area, discussing security challenges and opportunities of software?defined datacenter networking for cloud computing. It lever?ages the well?known confidentiality?integrity?availability (CIA) matrix and protection?detection?reaction (PDR) model to give an overview of current security threats and security mea?sures. It also discusses promising research directions in this field.