Patent ID: 8505043
Filing Date: 2013-08-06
Classification: H04N

Abstract:
1. A method of providing metadata of content via a predetermined network, the method comprising: generating the metadata in a metadata server, the metadata comprising a control information for limiting a content usage authority scope of a client which receives the content and a content location information; transmitting the metadata to the client; and transmitting the content to the client from a content storage unit in response to a request that is generated by referring to the content location information included in the metadata; wherein the predetermined network is an IP (Internet protocol) network, and the content is provided to the client according to an IPTV (Internet protocol television) service; wherein the control information is set in such a manner that the content usage authority scope is limited in a segment of the content that is less than the entire content, and wherein the control information includes a segment ID indicating the segment for which control operation of the client is limited and segment control information indicating the content usage authority scope for the segment corresponding to the segment ID.