1. White paper on “Software-Defined Networking: The New Norm for Networks”, available at https://www.opennetworking.org/.
2. Kreutz, D.; Ramos, F.M.V.; Esteves Verissimo, P.; Esteve Rothenberg, C.; Azodolmolky, S.; Uhlig, S., “Software-Defined Networking: A Comprehensive Survey,” in Proceedings of the IEEE , vol.103, no.1, pp.14-76, Jan. 2015.
3. 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.
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