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:
Oct. 13, 2009

Filed:

Jun. 29, 2006
Applicants:

Yoshiro Ikeda, Kawasaki, JP;

Akihiro Yasuo, Kawasaki, JP;

Atsushi Mori, Kawasaki, JP;

Akira Asato, Kawasaki, JP;

Katsuhiko Nishikawa, Kawasaki, JP;

Inventors:

Yoshiro Ikeda, Kawasaki, JP;

Akihiro Yasuo, Kawasaki, JP;

Atsushi Mori, Kawasaki, JP;

Akira Asato, Kawasaki, JP;

Katsuhiko Nishikawa, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

A network management apparatus interconnects a plurality of computers through physical lines having a predetermined line speed to manage a switch apparatus constructing a parallel computer system. The switch apparatus comprises a plurality of physical port units to enable or disable the same through individual power supply ON/OFF control for the physical port units, thereby changing and controlling the line transmission speed according to the enable number. A logical port constructing unit in the network management apparatus bundles the physical lines by a plurality of physical port units in the switch apparatus to construct logical lines. A port control unit changes the number of operations of a plurality of physical port units assigned to the logical port units through the power supply ON/OFF control according to a necessary data transmission speed for the logical port units, thereby dynamically changing the line transmission speed.


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