Patent ID: 8826380
Filing Date: 2014-09-02
Classification: H04L

Abstract:
1. A proxy server configured to communicate with a client and a content server storing content for which permission data is required for reproduction, the proxy server comprising: a content information retrieving unit configured to retrieve, from the content server, content information that identifies the content server and the content; a generating unit configured to generate modified content information that identifies the proxy server and the content identified by the content information; a modified content information sending unit configured to send the modified content information to the client; a content request receiving unit configured to receive, from the client, a request for the content identified by the modified content information; a permission server information retrieving unit configured to retrieve, from the content server identified by the content information identifying the requested content, permission server information that identifies a permission server configured to create the permission data for the requested content, wherein the permission server information retrieving unit is further configured to send, to the content server, proxy server information that identifies the proxy server; a content information sending unit configured to send the content information to the client in response to the request for the content; a permission request receiving unit configured to receive, from the client, a request for the permission data for the requested content; a permission data retrieving unit configured to retrieve the requested permission data from the permission server; and a permission data sending unit configured to send the requested permission data to the client in response to the request for the permission data.