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. 14, 2009

Filed:

Nov. 22, 2004
Applicants:

Junichi Ehara, Kawasaki, JP;

Daisuke Namihira, Kawasaki, JP;

Masao Yoshikawa, Kawasaki, JP;

Inventors:

Junichi Ehara, Kawasaki, JP;

Daisuke Namihira, Kawasaki, JP;

Masao Yoshikawa, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a network of a variable length packet system, a bps calculator colors an inputted packet based on a peak bandwidth or a committed bandwidth of a data bit number per unit time for every flow and a packet length of the inputted packet, a pps calculator colors the inputted packet based on a peak bandwidth or a committed bandwidth of a packet number per unit time for every flow and a packet number of the inputted packet, and one of a color of packet to be discarded, a color of packet to be passed and a color of packet to be discarded with a probability, within the colors obtained by colorings at both calculators is determined by a color selector.


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