NEIGHBOUR REPLICATION GRID (NRG) DAEMON FOR MANAGING REPLICATION AND TRANSACTIONS IN DISTRIBUTED ENVIRONMENT

摘要

THE PESENT INVENTION DISCLOSES A METHOD AND SYSTEM FOR MANAGING REPLICATION AND TRANSACTIONS IN A DISTRIBUTED SYSTEM, WHEREBY THE MAIN STEPS INCLUDE DETERMING THE EXECUTABILITY OF TRANSACTIONS (T100), WHICH IS ESSENTIALLY OR ACTUALLY A REQUEST FOR A LOCK ON THE DATA OBJECTS TO BE UPDATED BY CLIENT USERS. THE EXECUTABILITY OF TRANSACTION IS BASED ON TARGET SET VALUES (T400), EACH VALUE REPRESENTS EITHER SUCCESSFUL TRANSACTION, FAILURE OF TRANSACTION OR UNKNOWN STATUS. IT IS FURTHER PROVIDED THAT THE TARGET SET VALUES ARE DETERMINED BASED ON GROUPS OF TRANSACTION, DATA OF UNION OF ALL DATA OBJECTS, IN ADDITION TO REQUEST TRANSACTION QUEUE AND MASTER DATA X.