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Management and Orchestration (MANO) principles including the proposed Information Model, components and interfaces, and work flows are specified by ETSI’s NFV-MANO document. Specifically, these specifications defines objectives and concepts, the management and orchestration architectural framework and information elements, and NFV-MANO interfaces as well.


Virtualised infrastructure Manager (VIM): The VIM is responsible for controlling and managing the NFVI resources including compute, storage and network re- sources. Therefore, it provides functionalities for allocating, upgrading and releasing NFVI resources, and additionally, it manages the association of the virtualised resources. Moreover, it is in charge of managing VNF Forwarding Graphs in order to create and maintain Virtual Links, virtual networks, subnet, and ports.

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