Summary

Recommendation ITU-T Y.1902 describes a framework for multicast-based IPTV content delivery based upon different content delivery functional models and their associated requirements. The content delivery functional models are defined according to different methods of multicast-based IPTV content delivery in terms of IPTV functional architecture described in Recommendation ITU‑T Y.1910. Requirements for multicast capabilities specified in this Recommendation are based on the requirements provided in Recommendation ITU‑T Y.1901.