Alexiou, George; Pallis, Evangelos; Markakis, Evangelos; Sideris, Anargyros; Bourdena, Athina; Mastorakis, George; Mavromoustakis, Constandinos X.: 'A novel marketplace for trading/brokering virtual network functions over cloud infrastructures' (Telecommunications, 2017), 'Cloud and Fog Computing in 5G Mobile Networks: Emerging advances and applications', Chap. 14, pp. 371-412, DOI: 10.1049/PBTE070E_ch14 IET Digital Library, https://digital-library.theiet.org/;jsessionid=fl0ndp77unga.x-iet-live-01content/books/10.1049/pbte070e_ch14