NFV VNF NFV service provider VNF service provider system for extending service chaining including them and method for extending service chaining

摘要

The service chaining extension system according to an embodiment of the present invention includes an NFV service provider providing an NFV-based network service to a user and including an NFVO requesting generation of a VNF; And a VNF service provider located in a network different from the network of the NFV service provider and generating a VNF requested by the NFV service provider, wherein the NFVO includes VNF details including resource capacity information required for VNF generation The VNF service provider transmits service chaining information including information necessary for information and service chain extension to the VNF service provider. The VNF service provider transmits the service information to the infrastructure resource leased from the own infrastructure resource or the cloud service provider based on the VNF detailed information And if the VNF service provider has the available resources, the VNF service provider generates the VNF requested to be generated on its own infrastructure resource or on the leased infrastructure resource, and notifies the generated result to the NFVO .