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:
Jun. 09, 2020
Filed:
Feb. 12, 2016
Alaxala Networks Corporation, Kawasaki-shi, Kanagawa, JP;
Keigo Uchizumi, Kawasaki, JP;
Hiroki Yano, Kawasaki, JP;
ALAXALA Networks Corporation, Kanagawa, JP;
Abstract
It is an object of the present invention to achieve improvement of security by a whitelist function and improvement of network reliability by a network redundancy function at the same time. A packet relay deviceincludes packet reception units, a packet transfer unit, a S/W control unit, packet transmission units, and an input/output interfaceand automatically generates a whitelist including an allowed communication rule. It is possible to select whether to perform communication control using the whitelist or to carry out data communication without using the whitelist for each data reception unitthat receives data.