SODA

gradienTv: market-based P2P live media streaming on the Gradient overlay

Payberah, Amir H. and Dowling, Jim and Rahimian, Fatemeh and Haridi, Seif (2010) gradienTv: market-based P2P live media streaming on the Gradient overlay. In: DAIS 2010, 7-9 June 2010, Amsterdam, Netherlands. (In Press)

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Abstract

This paper presents gradienTv, a distributed, market-based approach to live streaming. In gradienTv, multiple streaming trees are constructed using a market-based approach, such that nodes with increasing upload bandwidth are located closer to the media source at the roots of the trees. Market-based approaches, however, exhibit slow convergence properties on random overlay networks, so to facilitate the timely discovery of neighbours with similar upload bandwidth capacities (thus, enabling faster convergence of streaming trees), we use the gossip-generated Gradient overlay network. In the Gradient overlay, nodes are ordered by a gradient of node upload capacities and the media source is the highest point in the gradient. We compare gradienTv with state-of-the-art NewCoolstreaming in simulation, and the results show significantly improved bandwidth utilization, playback latency, playback continuity, and reduction in the average number of hops from the media source to nodes.

Item Type:Conference or Workshop Item (Paper)
ID Code:3833
Deposited By:Amir Payberah
Deposited On:22 Feb 2010 10:51
Last Modified:06 Mar 2012 10:42

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