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:
Nov. 06, 2007

Filed:

Feb. 24, 2004
Applicants:

Yoshihiko Sakata, Hadano, JP;

Atsushi Anzai, Ebina, JP;

Takeshi Aimoto, Sagamihara, JP;

Hiroki Yano, Hadano, JP;

Kaoru Okano, Ebina, JP;

Inventors:

Yoshihiko Sakata, Hadano, JP;

Atsushi Anzai, Ebina, JP;

Takeshi Aimoto, Sagamihara, JP;

Hiroki Yano, Hadano, JP;

Kaoru Okano, Ebina, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

A traffic shaping apparatus calculates a minimum transmission interval, an allowed transmission frame rate of a user frame, and a reference transmission interval for each user according to a minimum transmission frame rate and a peak transmission frame rate specified for each user. The traffic shaping apparatus also calculates a first estimated transmission time according to the reference transmission interval, and a second estimated transmission time according to the minimum transmission interval for each user. The traffic shaping apparatus determines the user having the earliest first estimated transmission time, and determines according to the second estimated transmission time of the user whether a user frame is to be transmitted.


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