METHOD FOR AUTOMATIC UPDATE OF TICKET OF NETWORK SYSTEM AND CLIENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To obtain the network system which makes the validity of an obtained ticket not expire even when a batch jog process requires a long time. SOLUTION: A client system 10 is provided in decentralized computer environment and performs specific processes including a batch job process and an authentication system issues a ticket with the term of validity as an authentication file for user authentication; and the client system 10 requests user authentication of the authentication system when accessing a remote system and becomes able to access the remote file system when obtaining the ticket through the authentication. Further, the client system 10 is equipped with a setting means which sets a validity term update time as the time when the term of validity of the ticket is updated before the batch job process 11 starts and a term updating means which updates the term of validity when the validity term update time is reached after the batch job process starts.