Patent ID: 6031978
Filing Date: 2000-02-29
Classification: G06F,H04L,Y10S

Abstract:
A method for committing or rolling back a unit of work in a network of computer systems having a plurality of database management system DBMS) members, the method comprising:assigning a network address and resync identifier to each DBMS member, wherein the network addresses and resync identifiers are stored in a global list;establishing a connection between a client and a specified DBMS member, wherein the client receives the resync identifier of the specified DBMS member;receiving, from the client, an indoubt unit of work at the specified DBMS member;changing network address of the specified DBMS member after the indoubt unit of work is received; andcompleting a resynchronization process which commits or rolls back the indoubt unit of work using the resync identifier of the specified DBMS member to retrieve the changed network address in the global list for the client, so that the client can reconnect the specified DBMS member at the changed network address.