摘要 |
Sufficient meta-information related to live content is favorably provided to devices. An expanded CDS for content information being delivered is defined, which is used for including detailed content information of content being delivered, separately from a standard CDS accessed during content browsing. In the expanded CDS for content information being delivered, a container is provided for each client of delivery destination, and a content node being delivered is arranged under the each delivery destination container node. A rule related to the expanded CDS for content information being delivered is shared with the client, so that the client can identify information of the expanded CDS for content information being delivered of the content that the client itself is reproducing. |