The present invention relates to an Internet broadcasting system and an Internet broadcasting method using a hierarchical transmission, Internet broadcasting according to the present invention is the connection attempt terminals server, or terminal, and so that a predetermined number of terminals can be connected, more than a predetermined number inducing connected to the lower terminal will be always a speed to allow you to transfer the data without the communication without increasing the load capacity of a server of a broadcast service, such as to enable large.; The invention, and the server to the top, and defining a number of terminals connected to the server, to the terminal that is connected to a lead to connect to any one of terminals of the sub-station that is already connected when the limited number of or more terminals to request access data by that act as translators for transmission to all users without any internet broadcasting increased server capacity it is capable of providing high-quality broadcasts effects.; The Internet broadcasting system and an Internet broadcasting method using the distributed IP multicasting according to the present invention, when transmitting the data directly to only the number of terminals is very small to the Internet broadcasting server, so not only can greatly reduce the communication load on the server, IP- the number of terminal capable of receiving a broadcast by using the casting may be extended to considerably.
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