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. 16, 2014

Filed:

Aug. 29, 2012
Applicants:

Takeki Yazaki, Hachioji, JP;

Takeshi Aimoto, Santa Clara, CA (US);

Inventors:

Takeki Yazaki, Hachioji, JP;

Takeshi Aimoto, Santa Clara, CA (US);

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04Q 11/04 (2006.01); H04L 12/54 (2013.01); H04L 12/70 (2013.01);
U.S. Cl.
CPC ...
H04L 12/5602 (2013.01); H04Q 11/0478 (2013.01); H04L 2012/5651 (2013.01); H04L 2012/5636 (2013.01);
Abstract

A bandwidth monitoring device for use in a network for transferring priority packets in preference to non priority packets as far as the amount of the priority packets is within a contract bandwidth established between a network user and a network operator, comprising a bandwidth check result decision unit for detecting whether the bandwidth of the priority packets is less than the contract bandwidth, and a DSCP decision unit for determining that a non priority packet may be transferred as a priority packet when the bandwidth of the priority packets is less than the contract bandwidth thereby to sufficiently use the contract bandwidth.


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