A content distribution method including receiving in-band signals from respective content providers, where the in-band signals include video content. The method further includes: receiving at a placement opportunities information module first messages associated respectively with the content providers, where the first messages are advertisement messages and/or program messages and have respective formats; and mapping the first messages to second messages, where the second messages have a same format, and where the same format is different than the respective formats and is standardized for point of presence devices. The method further includes: combining the second messages with the video content to generate combined signals; forwarding the combined signals to an insertion module of a headend; generating output signals at the insertion module based on the combined signals; and for each of the output signals, transmitting a non-streaming signal or a streaming signal from the headend to the point of presence devices.