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:
Apr. 18, 2017
Filed:
Mar. 23, 2015
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Shinji Yamashita, Kawasaki, JP;
Akiko Yamada, Kawasaki, JP;
Toshio Soumiya, Yokohama, JP;
Sho Shimizu, San Jose, CA (US);
Keiichi Nakatsugawa, Shinagawa, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An OpenFlow switch used in an OpenFlow network including a plurality of OpenFlow switches and an OpenFlow controller configured to control the plurality of OpenFlow switches includes: a failure detector configured to detect a failure of a link connected to the OpenFlow controller; and a channel management unit configured to establish an OpenFlow channel to transmit control information to the OpenFlow controller through another OpenFlow switch among the plurality of OpenFlow switches when a failure is detected by the failure detector.