Abstract: A live content switching method, a source device, and a sink device are provided. The method includes switching from first content to second content by using a dummy connection, the second content using the same resource of the source device as the first content. Accordingly, by using dummy connections set between a source device and a sink device, it is possible to switch the sink device from one live content to another live content without the need to cut off existing connections set between the source device and the sink device.

Abstract: A method of providing media contents in a wired/wireless network environment and an apparatus using the same. The method includes: calculating the length of multimedia contents; calculating a length of information included in the multimedia contents; and calculating the length of the media contents included in the multimedia contents from the length of the multimedia contents and the length of the information. In a real time transcoding incapable of calculating a far end of media contents, a length of the media contents can be provided to a digital media client.

Abstract: A live content switching method, a source device, and a sink device are provided. The method includes switching from first content to second content by using a dummy connection, the second content using the same resource of the source device as the first content. Accordingly, by using dummy connections set between a source device and a sink device, it is possible to switch the sink device from one live content to another live content without the need to cut off existing connections set between the source device and the sink device.

Abstract: A live content management method, a source device, and a sink device are provided. The live content management method includes storing live content in a storage unit of a source device if the transmission of the live content from the source device to a sink device is temporarily stopped. The live content management method may also include transmitting the live content stored in the storage unit of the source device to the sink device and then transmitting live content currently being broadcasted to the sink device via the storage unit of the source device, when receiving a request for resuming the transmission of the live content stored in the storage unit of the source device before a time-out for a command to stop the transmission of the live content stored in the storage unit of the source device.

Abstract: A device and method of controlling content transmission, and a device and method of providing content. The method of controlling content over a network includes generating a control command using a stateless protocol so that an AV content providing device controls transmission of an AV content using a connectionless protocol and transmitting the generated control command to the AV content providing device. Accordingly, when AV content is transmitted through RTP over a network, the content is controlled by a stateless protocol such as HTTP instead of a state protocol such as RTSP. Thus, RTP is easily supported by an effective content control method.