The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 30, 2022

Filed:

Feb. 21, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Mizuto Nakamura, Musashino, JP;

Miwaka Otani, Musashino, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 41/12 (2022.01); H04L 12/46 (2006.01); H04L 45/02 (2022.01); H04L 47/765 (2022.01);
U.S. Cl.
CPC ...
H04L 41/12 (2013.01); H04L 12/4641 (2013.01); H04L 45/02 (2013.01); H04L 47/765 (2013.01);
Abstract

A network system includes a storage unit that stores topology information in a graph database in chronological order, the topology information including end point information and connection information of logical resources of the virtual network, end point information and connection information of physical resources of the physical network, and correspondence information between the logical resources and the physical resources; a setting information acquirer that acquires setting information of the virtual network from the orchestrator using a change notification from the orchestrator as a trigger; and a topology information management unit that updates the topology information stored in the graph database of the storage unit on the basis of the acquired setting information.


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