A. Control and User Planes Separation, Service Based Architecture, Multi-Access-Network, State-efficiency and Network Slicing

B. Dynamic Control plane, Service Based Architecture, Multi-Access-Network, State-efficiency and Network Slicing

C. Dynamic Control plane, Adaptive Architecture, Converged-Access-Network, Stateless and Network Self- healing

D. Dynamic Control plane, Adaptive Architecture, Multi-Access-Network, Stateless and Network Slicing