iPASS: Incentivized Peer-Assisted System for Asynchronous Streaming

Abstract— As an efficient distribution mechanism, peer-topeer technology has become a tremendously attractive solution to offload servers in large scale video streaming applications. However, in providing on-demand asynchronous streaming services, P2P streaming design faces two major challenges: how to schedule efficient video sharing between peers with asynchronous playback progresses? how to provide incentives for peers to contribute their resources to achieve a high level of system-wide Quality-of-Experience (QoE)? In this paper, we present iPASS, a novel mesh-based P2P VoD system, to address these challenges. Specifically, iPASS adopts a dynamic buffering-progress-based peering strategy to achieve high peer bandwidth utilization with low system maintenance cost. To provide incentives for peer uploading, iPASS employs a differentiated pre-fetching design that enables peers with higher contribution pre-fetch content at higher speed. A distributed adaptive taxation algorithm is ...

• Type: Conference
• Year: 2009
• Where: INFOCOM
• Authors: Chao Liang, Zhenghua Fu, Yong Liu, Chai Wah Wu
• Keywords: Communications, INFOCOM 2009, IPASS, P2P Streaming Design, P2P VoD