Abstract: A server includes a relay unit adapted to transmit a video data related to a livestream from a terminal of a livestreamer of the livestream to a terminal of a viewer, a determination unit adapted to determine whether the livestream has been terminated for an unexpected reason, a maintaining unit adapted to maintain a state of the livestream when it is determined that the livestream has been terminated, and a resume unit adapted to resume the livestream with the maintained state when the resume unit receives an instruction to resume the livestream from the terminal of the livestreamer within a predetermined period after it is determined that the livestream has been terminated.

Abstract: A server includes: a determining unit adapted to determine a bit rate or an upper limit of the bit rate of video data generated by a user terminal of a distributor, the distributor participating in a live-stream in which a plurality of distributors are allowed to participate, the bitrate or the upper limit being determined such that the bit rate or the upper limit is lowered as a number of the distributors participating in the live-stream increases; an informing unit adapted to inform the user terminal of the distributor of the determined bit rate or upper limit over a network; and a receiving unit adapted to receive the video data from user terminals of the plurality of distributors participating in the live-stream over the network.