Improving BitTorrent content delivery over broadcast networks

The paper presents a hybrid P2P-IP/Digital Video Broadcasting platform where user-generated content and services can be enrolled in the frame designated by interactive broadcasting, thus making optimum resource exploitation and become widely available to users with maximum possible QoS. For optimised resource exploitation especially in the backbone segment (DVB-T) the paper elaborates on a prototype broadcast-aware mechanism that assists P2P content distribution among prosumers located in different CMNs by minimising redundant traffic in the downlink stream, thus providing for enhanced scalability and optimised performance. Performance evaluation tests, conducted under real transmission/reception conditions on a prototype that conforms to the design specifications, verified the validity of the Mechanism presented.