MOVING PICTURE DISTRIBUTION SYSTEM, SUBSCRIBER LINE TERMINATION DEVICE, MOVING PICTURE DISTRIBUTION METHOD, MOVING PICTURE DISTRIBUTION PROGRAM, AND RECORDING MEDIUM

The present invention provides a moving picture distribution system, a subscriber line termination device, a moving picture distribution method, a moving picture distribution program, and a recording medium, that may sufficiently distribute moving picture data according to a link speed by an IP multicast manner. The moving picture distribution system includes a subscriber line termination device connected to a moving picture distribution network to perform a terminating process of a subscriber line; and an image reproduction device connected to the subscriber line termination device through a domestic termination device, wherein the subscriber line termination device selects a server according to a link speed with the domestic termination device and transmits moving picture data of a same content to the domestic termination device at the link speed by a multicast manner.