Abstract: A method of providing a video program with overlay content. The method includes receiving a video program and transcoding the received video program into a plurality of segments, by the processor, each segment representing a different period of the video program. In response to receiving an instruction to add overlay content to the video program, a subset of the segments of the video program to which the overlay content is to be added is selected. Overlay content is added to the selected segments and the segments of the video program to which overlay content was added, together with the segments of the video program that were not selected are transmitted to a receiver.

Abstract: A method of video distribution including receiving a manifest including links to blocks, which blocks form at least a portion of a video program, selecting at least some of the links in the manifest, to which auxiliary information is to be added and adding, to each of the selected links, auxiliary information, which does not affect a block referred to by the link. A log of links requested by clients is retrieved from a storage unit, links relating to a specific video program are filtered from the retrieved log, and information on an extent to which the specific video program was viewed, is determined responsive to the filtered links.

Abstract: A method of providing a video manifest to a client. A router manages, for each of a plurality of ad placement units, a measure of advertisement avails provided by the router to the ad placement unit for filling with advertisements, receives a client request for a video content, and chooses an ad placement unit from the plurality of ad placement units, to select advertisements to be placed in avails of the requested video content, at least partially responsive to the managed measures of advertisement avails. The received client request is directed to the chosen ad placement unit.

Abstract: A method of adding advertisements to a video stream. The method includes storing for each of a plurality of advertisements, a plurality of versions of the advertisement including same advertisement content with different overlay indications of relative location of the advertisement in an advertisement session. Upon receiving an indication of a video stream, the method includes selecting advertisements for insertion into the video stream, selecting relative positions of the selected advertisements in one or more advertisement sessions in the video stream, identifying for each of the selected advertisements, one of the plurality of versions of the advertisement corresponding to the selected relative position of the advertisement in the one or more advertisement sessions, and providing an indication of the video stream with the identified versions in the selected relative positions.