Defect-free type remote procedure call system and method thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Aug 26, 1996
filing date -
Aug 28, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When a client sends an RPC request that requests a server for a service, the client adds identification information to the RPC request. When an active server receives an RPC request, it stores the identification information thereof in a stable area that is not destroyed even if a defect takes place in the client or the server, and executes the requested service. When a defect takes place in the active server, the backup server takes over the process of the active server. A PALIB of the backup server compares the identification information of the RPC request re-sent from the client with the identification information in the stable area. When they match, the PALIB determines that the RPC request is redundant. The backup server performs a redundant process and sends back the correct result to the client.
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