Abstract
The development of the Network Functions Virtualisation (NFV) paradigm has made way for the rapid deployment and management of network services. The European Telecommunications Standards Institute (ETSI) has been actively defining the NFV framework, which includes functional blocks and artifacts at different levels of abstraction. As part of the artifacts, various deployment templates have been defined to drive the deployment and the management of network services (NS) and Virtual Networks Functions (VNFs). The design of an NS is a complex activity that aims at selecting appropriate VNFs, creating the VNF forwarding graph (VNFFG), and all the necessary templates for the NS deployment and management, on the basis of the tenant’s requirements and existing VNFs. Automating the NS design activity as well as the NS management process itself is highly desirable and beneficial for NFV systems. Continuous deployment for NFV with model-driven orchestration means has been recently advocated.
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