COMMUNICATION CONTROL SYSTEM

摘要

PURPOSE:To share a file in a communication control system by attaining a constitution where a file server receives the returned updated block, code and updated information respectively and at the same time storing again only the updated block based on the updated information. CONSTITUTION:A client 2 sends a file transfer request to a file server 1 via a network 3. The server 1 receives the request and sends the corresponding file to the client 2. The client 2 receives the file and returns this file to the server 1 via the network 3 after updating the file. Thus the server 1 stores again the returned file. Thus a single server 1 can attain the connection of many clients and the file is effectively used.