Patent ID: 9118813
Filing Date: 2015-08-25
Classification: H04L,H04N

Abstract:
1. A method of using an Internet protocol television (IPTV) service by a client, the method comprising: receiving information about a multicast session from a first server, wherein the multicast session provides an application associated with the IPTV service; requesting a second server to establish the multicast session and allocate a bandwidth of the client based on the received information; receiving a response message including information indicating that an establishment of the multicast session has been completed; and receiving the application in the multicast session established according to the request to the second server, wherein the information about the multicast session comprises at least one of information about an IP address of the second server, information about a number of channels used for the multicast session, information about an IP address of the client, information about an identifier of the multicast session, and information about start time and end time of the multicast session, wherein the first server is a server for discovering the IPTV service from among a plurality of IPTV services, and the second server is a server for performing session management associated with the IPTV service.