1. White paper on "Software-Defined Networking: The New Norm for Networks" available at https://www.opennetworking.org/. White paper on "Software-Defined Networking: The New Norm for Networks" available at https://www.opennetworking.org/.
2. Software-Defined Networking: A Comprehensive Survey
3. White paper on "Network Functions Virtualisation" available at http://portal.etsi.org/NFV/NFV_White_Paper.pdf. White paper on "Network Functions Virtualisation" available at http://portal.etsi.org/NFV/NFV_White_Paper.pdf.
4. A. Manzalini et al. "Software-Defined Networks for Future Networks and Services " White Paper based on the IEEE Workshop SDN4FNS. A. Manzalini et al. "Software-Defined Networks for Future Networks and Services " White Paper based on the IEEE Workshop SDN4FNS.
5. Network Functions Virtualisation - White Paper #3 "Network Operator Perspectives on Industry Progress " available at https://portal.etsi.org/Portals/0/TBpages/NFV/Docs/NFV_White_Paper3.pdf. Network Functions Virtualisation - White Paper #3 "Network Operator Perspectives on Industry Progress " available at https://portal.etsi.org/Portals/0/TBpages/NFV/Docs/NFV_White_Paper3.pdf.