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:
Jul. 07, 2015

Filed:

Jul. 22, 2011
Applicants:

Kohei Okazaki, Tokyo, JP;

Akira Sakurai, Tokyo, JP;

Inventors:

Kohei Okazaki, Tokyo, JP;

Akira Sakurai, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01); H04L 12/28 (2006.01); H04L 12/26 (2006.01); H04L 1/00 (2006.01);
U.S. Cl.
CPC ...
H04L 43/0888 (2013.01); H04L 1/0001 (2013.01); H04L 43/0876 (2013.01); H04L 43/16 (2013.01); H04L 43/0894 (2013.01); H04L 1/0002 (2013.01);
Abstract

A communication device includes a receiving unit configured to receive a frame via a connected packet network, a transmitting unit configured to transmit the received frame and a self-originating frame to the packet network, a monitoring unit configured to monitor a flow rate of the transmitted frames, a transmission cycle setting unit configured to cause a transmission cycle of the self-originating OAM frame to be a predetermined transmission cycle set for a normal condition when the flow rate of the frames is greater than or equal to a predetermined threshold, and a transmission cycle calculating unit configured to calculate a transmission cycle of the OAM frame that can compensate for a shortfall in the number of the transmitted frames, the transmission cycle calculating unit being configured to cause the calculated transmission cycle to be a transmission cycle of the self-originating OAM frame when the flow rate of the frames is less than the predetermined threshold.


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