1. D. Young, M. Toussaint Hype cycle for enterprise networking and communications, Gartner Report #G00338722, 13 July 2018, 69 pp.
2. Network functions virtualisation: an introduction, benefits, enablers, challenges & call for action;SDN and OpenFlow World Congress,2012
3. ETSI Report, “ETSI Plugtests demonstrate high interoperability levels and increased feature support,” http://www.etsi.org/index.php/news-events/news/1276-2018-02-news-2nd-etsi-nfv-plugtests-demonstrate-high-interoperability-levels-and-increased-feature-support, February 2018.
4. ETSI GR NFV-IFA 015 V2.1.1, group report, “Network Functions Virtualisation (NFV) release 2; management and orchestration; report on NFV information model,” 2017.
5. ITU-T Recommendation M.3400 Series M: “TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leased circuits TMN management functions,” 2002.