Network virtualization system, virtual resource management device, virtual resource management method and program

1. A network virtualization system that creates a virtual network function (VNF) on a virtual resource,

the network virtualization system comprising: an NFV infrastructure (NFVI) that provides a virtual infrastructure by allocating the virtual resource on a plurality of physical devices; a virtualized infrastructure manager (VIM) that controls the physical device and the virtual resource of the NFVI; an NFV orchestrator (NFVO) that selects a VIM that controls an NFVI that deploys a virtual resource that creates the VNF, from among a plurality of sets of the NFVI and the VIM deployed at any same position; and a VNF manager (VNFM) that requests a selected VIM to allocate the virtual resource, wherein

the VNFM includes

a VNF information management unit, including one or more processors, configured to, upon receiving a VNF creation request including location information in a creation requirement of the VNF, transmit the VNF creation request to the NFVO, and

the NFVO includes:

a storage medium configured to store VIM information in which setting information regarding a VIM including location information regarding a deployment position of the VIM itself is stored and physical device/virtual resource information in which state information of the physical device and the virtual resource of each NFVI is stored; and

a VIM selection unit, including one or more processors, configured to, by using the location information included in the VNF creation request, extract a VIM that satisfies a requirement of the location information with reference to the VIM information, and select, from among the extracted VIMs, a VIM that satisfies a creation requirement other than the location information with reference to the physical device/virtual resource information.

2. A virtual resource management device of a network virtualization system that creates a VNF on a virtual resource, wherein

the network virtualization system includes: a NFVI that provides a virtual infrastructure by allocating the virtual resource on a plurality of physical devices; a VIM that controls the physical device and the virtual resource of the NFVI; the virtual resource management device as an NFVO that selects a VIM that controls an NFVI that deploys a virtual resource that creates the VNF, from among a plurality of sets of the NFVI and the VIM deployed at any same position; and a VNFM that requests a selected VIM to allocate the virtual resource, and

the virtual resource management device includes:

a storage medium configured to store VIM information in which setting information regarding a VIM including location information regarding a deployment position of the VIM itself is stored and physical device/virtual resource information in which state information of the physical device and the virtual resource of each NFVI is stored; and

a VIM selection unit, including one or more processors, configured to, upon acquiring a VNF creation request including location information in a creation requirement of the VNF, extract a VIM that satisfies a requirement of the location information with reference to the VIM information, and select, from among the extracted VIMs, a VIM that satisfies a creation requirement other than the location information with reference to the physical device/virtual resource information.

3. The virtual resource management device according to claim 2 , wherein

the location information is identification information indicating an area where a set of the NFVI and the VIM is deployed, and

the VIM selection unit is configured to extract a VIM located in a same area as an area indicated by location information included in the VNF creation request with reference to the VIM information.

4. The virtual resource management device according to claim 2 , wherein

the location information is information indicating latitude/longitude where a set of the NFVI and the VIM is deployed, and

the VIM selection unit is configured to extract a VIM located within a predetermined distance from a position indicated by latitude/longitude that is location information included in the VNF creation request with reference to the VIM information.

5. The virtual resource management device according to claim 2 , wherein

the location information is weight information indicating a distance between a reference VIM and each VIM itself, and

the VIM selection unit is configured to extract a VIM in which a value within a value indicated by weight information that is location information included in the VNF creation request is set with reference to the VIM information.

6. A virtual resource management method by a virtual resource management device of a network virtualization system that creates a VNF on a virtual resource, wherein

the network virtualization system includes: a NFVI that provides a virtual infrastructure by allocating the virtual resource on a plurality of physical devices; a VIM that controls the physical device and the virtual resource of the NFVI; the virtual resource management device as an NFVO that selects a VIM that controls an NFVI that deploys a virtual resource that creates the VNF, from among a plurality of sets of the NFVI and the VIM deployed at any same position; and a VNFM that requests a selected VIM to allocate the virtual resource,

the virtual resource management device includes

a storage medium configured to store VIM information in which setting information regarding a VIM including location information regarding a deployment position of the VIM itself is stored and physical device/virtual resource information in which state information of the physical device and the virtual resource of each NFVI is stored, and

the virtual resource management method executes:

acquiring a VNF creation request including location information in a creation requirement of the VNF; and

extracting a VIM that satisfies a requirement of the location information with reference to the VIM information and selecting, from among the extracted VIMs, a VIM that satisfies a creation requirement other than the location information with reference to the physical device/virtual resource information.

7. The virtual resource management method according to claim 6 , wherein

the location information is identification information indicating an area where a set of the NFVI and the VIM is deployed, and

the virtual resource management method comprises:

extracting a VIM located in a same area as an area indicated by location information included in the VNF creation request with reference to the VIM information.

8. The virtual resource management method according to claim 6 , wherein

the location information is information indicating latitude/longitude where a set of the NFVI and the VIM is deployed, and

the virtual resource management method comprises:

extracting a VIM located within a predetermined distance from a position indicated by latitude/longitude that is location information included in the VNF creation request with reference to the VIM information.

9. The virtual resource management method according to claim 6 , wherein

the location information is weight information indicating a distance between a reference VIM and each VIM itself, and

the virtual resource management method comprises:

extracting a VIM in which a value within a value indicated by weight information that is location information included in the VNF creation request is set with reference to the VIM information.