CLEAR STREAMING: Providing quality affordable time-shifting services in live IPTV systems

Time-shifting is expected to be a popular core feature of IPTV systems because of its ability to enable users to personalize their TV channels. Here we propose a quality affordable IPTV time-shifting solution to what is often the most demanding situations: the combination of the limited power of end-user equipments and highly interactive users on a dedicated close network. Extensive empirical evaluations based on first-hand accounts of deployment experiences as well as theoretical analysis are given.