Patent ID: 6145090
Filing Date: 2000-11-07
Classification: H04L

Abstract:
A switch control method from a first server computer to a second server computer in a computer system comprising a client computer, said first server computer for executing a transaction process in cooperation with said client computer at the normal time, said second server computer for executing a transaction process in cooperation with said client computer when a fault occurs in said first server computer, and a network for connecting said client computer, said first server computer, and said second server computer, the method comprising the steps of:executing a transaction process between said client computer and said first server computer;detecting a fault occurring in said first server computer by said client computer;requesting establishment of a connection to said first server computer from said client in response to the detection of said fault;requesting establishment of a connection to said second server computer from said client computer in response to a failure in the establishment of the connection by said request and establishing the connection between said client computer and said second server computer; andstarting a transaction process between said client computer and said second server computer.