Contents delivery network system

The present invention relates to the type of content delivery network system improvements that can accommodate both the market demand for increased without increase of the capacity and the number of the server for the content provider, and a content server that provides content to the content download request user terminal .; Request to download the content from the user terminal checks a load state of the content server, and the relay server, and that according to the check result by providing the IP information of the contents server or the user terminal prior to the downloaded content to the corresponding user terminal; Provided that provides the IP information of the close-up position mediation server that the connection with the relay server to the requesting user terminal in the user terminal location information server; Is installed in the user terminal requests a connection to the relay server and, in response to the request, the client module to download requested content to the relay server has a given IP; characterized in that it comprises a.