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:
May. 26, 2009

Filed:

Nov. 26, 2003
Applicants:

Nobuhiro Rikitake, Kawasaki, JP;

Satoshi Miyazaki, Kawasaki, JP;

Inventors:

Nobuhiro Rikitake, Kawasaki, JP;

Satoshi Miyazaki, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

Communication nodes respectively comprise a function for transmitting/receiving a digital wrapper frame. SDH devices transmitting/receiving an SDH frame are connected to some of the communication nodes, and Ethernet devices transmitting/receiving an Ethernet packet are connected to some others of the communication nodes. An SDH frame and an Ethernet packet are stored in a payload of a digital wrapper frame, and transmitted between communication nodes. A network management device manages a connection relationship among the communication nodes, and paths set up on a digital wrapper network. The communication nodes respectively transfer a digital wrapper frame in accordance with an instruction from the network management device.


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