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:
Dec. 04, 2018

Filed:

Feb. 23, 2015
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Yuji Goto, Tokyo, JP;

Ryusuke Kawate, Tokyo, JP;

Sachiko Taniguchi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/851 (2013.01); H04L 12/703 (2013.01); H04L 12/46 (2006.01); H04L 12/707 (2013.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 47/24 (2013.01); H04L 45/28 (2013.01); H04L 12/4641 (2013.01); H04L 45/24 (2013.01); H04L 69/28 (2013.01);
Abstract

There are provided: a transfer management table storage unit to store a transfer management table which indicates transfer destination ports for frames received from another transfer device, the another transfer device being configured to transmit a frame low in importance of received frames without copying this frame and to transmit an important frame of received frames to paths made redundant by copying the important frame, the important frame being a frame higher in importance than the frame low in importance; an adjacent information table storage unit to store an adjacent information table which indicates information about instruments connected to the ports; and a transfer destination management unit to control whether to transfer an important frame received from another transfer device by use of the transfer management table and the adjacent information table.


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