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. 07, 1998

Filed:

Jan. 21, 1997
Applicant:
Inventors:

Nobuko Kimura, Kawasaki, JP;

Takashi Onodera, Kawasaki, JP;

Noriyuki Yokoshi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
39520066 ;
Abstract

A protocol conversion system that provides improved reliability in data transmission and reception. The system comprises a first node belonging to a network A, a second node belonging to another network B, and a protocol converter disposed between the two nodes. The first node uses a first communications protocol that defines a set of rules for communications in the network A, while the second node uses a second communications protocol for the network B. Serving as a relaying device between the first node and second node, the protocol converter converts the communications protocol of the messages traveling between them. The protocol converter comprises a first message processor to process the messages according to layer definitions of the first communications protocol, a second message processor to process the messages according to layer definitions of the second communications protocol, and a first protocol converter that adds and removes some control information to/from the messages for protocol conversion. The second node comprises a second protocol converter working as a counterpart of the first protocol converter.


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