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:
Sep. 08, 2015

Filed:

Jan. 25, 2011
Applicants:

Takahiro Yamaura, Kawasaki, JP;

Shingo Tanaka, Yokohama, JP;

Nobuhiko Sugasawa, Yokohama, JP;

Inventors:

Takahiro Yamaura, Kawasaki, JP;

Shingo Tanaka, Yokohama, JP;

Nobuhiko Sugasawa, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 29/12 (2006.01); H04L 29/08 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 61/103 (2013.01); H04L 29/12028 (2013.01); H04L 67/146 (2013.01); H04L 69/161 (2013.01); H04L 69/163 (2013.01);
Abstract

In one embodiment, a data communication apparatus includes a plurality of communications units for performing transmission and reception with the plurality of different networks, a first storage unit which stores a first identifier and a second identifier, a first processing unit which performs network protocol processing with hardware, and a second processing unit which performs network protocol processing with software. The first identifier indicates a communication unit which receives a frame, and the second identifier indicates a communication unit which transmits a frame. The first processing unit stores the first identifier in association with a reception frame in the first storage unit, and the second processing unit reads the first identifier and the reception frame from the first storage unit, generates a transmission frame as a response to the reception frame, stores the first identifier as the second identifier in association with the transmission frame in the first storage unit.


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