System for controlling communications between an application and a remote system using a protocol identifier and an application context identifier

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United States of America Patent

PATENT NO 5572724
SERIAL NO

08133852

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Abstract

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In a distributed system having a plurality of interconnected computer systems each having an application program, a process manager which determines the need for a communication process, determines an identifier of a destination system and a protocol and issues a communication process request in response to a process request for database access from the application program, and a virtual communication user for determining an application context in response to the communication process request from the process manager are provided, and a communication path a protocol machine establishes for the virtual communication user. A plurality of virtual communication users for managing the communication process are provided and each virtual communication user manages a plurality of protocol machines so that a plurality of protocols and application programs are simultaneously used for a plurality of destination systems from one application program.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDCHIYODA-KU TOKYO 100-8280
HITACHI SEIBU SOFTWARE CO LTD5-29 KITAHAMA-3-CHOME CHUO-KU OSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatano, Masaaki Osaka, JP 18 198
Ishikawa, Hiromichi Fujisawa, JP 18 298
Watanabe, Tetsuya Yokohama, JP 269 2141

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