Sk Telecom Company, Ltd.

Korea Advanced Institute of Science and Technology

Youngjae Shim

Jongmin Lee

Kyungjun Lee

KyoungSoo Park

Shinae Woo

The present disclosure relates to a streaming service providing method and, more specifically, to a streaming service providing method and device by which a service control server having a domain name server (DNS) function can support a streaming service of a multicast scheme by providing, to a terminal, a multicast group address allocated in correspondence to a specific Internet service server in response to a domain inquiry message for the Internet service server from the terminal.

Streaming service providing method and device

A content transmission system includes: a central control device to receive a content packet to be provided to a client device from a content server, store chunks divided from the received content packet together with corresponding chunk identifiers, check duplication of the divided chunks, and transmit the chunk identifier and flow information of a duplicate chunk to a local caching device instead of transmitting the content packet corresponding to the duplicate chunk; and the local caching device to: receive the chunk identifier and the flow information of the duplicate chunk from the central control device, and transmit the content packet corresponding to the received chunk identifier and previously stored to the client device.

Growing community of inventors

Seoul, South Korea

Youngjae Shim