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:
Aug. 30, 2016
Filed:
Jan. 04, 2011
Masanori Takashima, Tokyo, JP;
Youichi Hidaka, Tokyo, JP;
Tetsu Izawa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
In the case of a system where a communication device is remote-controlled from a control server, depending on timing when an entry is written into a forwarding table of the communication device from the control server, there is a possibility that a loop and discard of the traffic occur. Therefore, for registration, rewriting and deletion of the entry of the forwarding table which are performed on the communication deviceby the control server; the communication deviceverifies contents of control instructions from the control server; the communication deviceholds the result of this verification; the control serveracquires the result of the verification; the control serverjudges whether or not a series of controls can be executed based on the results of the verification from the plurality of communication devices; and then the control serverinvokes the execution at the plurality of communication devices