COMMUNICATING METHOD COMMUNICATING THROUGH NETWORK, OPERATING METHOD OF DOWNLOAD CLIENT AND OPERATING METHOD OF NETWORK SERVER

摘要

PURPOSE: A communication method for communicating through a network, an operating method of a download client, an operating method of a network server are provided to improve using efficiency of a network resource. CONSTITUTION: A download request of object data is transmitted to the control server from a download client(S110). A target data under control of the control server is transmitted to the download client(S115). Hash of the target data which is transmitted to the download client is generated. The generated hash is transmitted to the control server from a download client.