Transmission Cost of P2P Multicasting

In peer-to-peer streaming system, multicasting tree is essential to application performance and network transmission resource usage. Currently, available multicasting tree construction strategy optimize for source to client delay, load balance, etc. But network resource occupation of these strategy is not carefully studied. In this paper, network resource usage of application is analyzed. Then, metrics of network resource usage is proposed. Accordingly, Transmission Resource Saving Tree(TRST) is proposed. In order to make our experimental reliable, transmission delay and jitter are sampled from PlanetLab. Contrast experiments is carried out. According to the results, our proposed strategy consumes less network resources to serve the same set of peers.