One of the most difficult parts of Network Function Virtualization (NFV) installations is
security. The NFV environment is a large-scale, software-driven one with a variety of
components. Network topologies and traffic flows are continuously and managed to change.
Such complexity necessitates a comprehensive security framework that permits automatic
and to manage changeable network conditions, a quick response is required with the least
amount of manual involvement. This paper introduced many solutions for securing the NFV …