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.
Patent No.:
Date of Patent:
Nov. 10, 2015
Filed:
Aug. 04, 2014
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventor:
Hideki Okita, Fuchu, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/713 (2013.01); H04L 12/26 (2006.01); H04L 12/701 (2013.01); H04L 12/723 (2013.01); H04L 12/715 (2013.01);
U.S. Cl.
CPC ...
H04L 45/586 (2013.01); H04L 43/0817 (2013.01); H04L 43/16 (2013.01); H04L 45/00 (2013.01); H04L 45/50 (2013.01); H04L 45/64 (2013.01);
Abstract
A routing control system comprising a system controller and master and slave routing servers, wherein the master routing server includes a plurality of logical controllers, each of which performs routing control for each of the user networks, the system controller monitors a load state of the master routing server and migrates at least one of the plurality of logical controllers from the master routing server to the slave routing server when the load state has satisfied a predetermined condition, so that the slave routing server inherits routing control for a particular user network associated with the migrated logical controller.