Dynamic and Multiprovider-based Resource Infrastructure in the NFV MANO Framework

The Cloud Continuum concept proposes integrating Edge, Central Clouds as well as constrained, dynamic and unreliable Far-Edge resources (terminals, IoT) owned by users and different providers and exposing them to services uniformly. The ETSI NFV MANO framework assumes almost static NFV Infrastructure (NFVI) and has no business interfaces nor mechanisms for the dynamic adding or removing data centres. It is also not able to cope with constrained and unreliable resources. The paper presents a modification of the MANO framework to cope with the mentioned issues. In the described concept, all resources are exposed to the orchestrators via the Resource Layer, which also provides business interfaces to different infrastructure providers and improves exposed resources’ reliability by hiding infrastructure dynamicity to a certain extent. The idea also contributes to orchestration scalability by allowing multiple orchestrators atop the same resource pool.