1. R. Guerzoni, et al., Network functions virtualisation: an introduction, benefits, enablers, challenges and call for action, introductory white paper, in: SDN and OpenFlow World Congress, Vol. 1, 2012, pp. 5–7.
2. Software-defined network virtualization: An architectural framework for integrating SDN and NFV for service provisioning in future networks;Duan;IEEE Netw.,2016
3. Problem statement for service function chaining;Quinn,2015
4. On cross-domain service function chain orchestration: An architectural framework;Toumi;Comput. Netw.,2021
5. Delay-aware virtual network function placement and routing in edge clouds;Yang;IEEE Trans. Mob. Comput.,2019