DISTRIBUTED NETWORK COMPUTING SYSTEM

PROBLEM TO BE SOLVED: To obtain a system capable of accessing necessary data in a server computer even when an application is not installed in a user information terminal. SOLUTION: An information processor 003 and an information terminal 001 mutually connected through a network 002 are respectively provided with mobile agent servers 011, 011a for providing service including means for moving mobile agents 010, 010a for storing and transferring application software and data between the processor 003 and the terminal 001 while holding the security of these data. The processor 003 is provided with a means for providing application software and data for providing service in the terminal 001 to the mobile agent to be executed by the mobile agent server and the terminal 001 is provided with a means for dynamically installing and executing the application software provided from the processor 003 in the mobile agent server.