A Cooperative Media Packet Scheduling on P2P Streaming System
Date Issued
2009
Date
2009
Author(s)
Chen, You-Ming
Abstract
Media packet scheduling is an important ingredient for peer-to-peer (P2P)treaming system. Most of the previous work focus on how to efficientlyull desired media chunks from neighbors in order to achieve their designedoal. To best of our knowledge, there is a lack of studies ofow a peer serves multiple requests sent by its neighbor under limited uploadapacity. In this work, we proposed a sender-side scheduling in ordero cooperate with receiver-side scheduling. In this work, we first identifyhat the difficulty and challenge of sender-side scheduling. By observing theystem behavior about utility of upload capacity and the reason of contentottleneck, we proposed a sender-side scheduling in order to maximum thetility of each peer upload capacity and minimum the probability of contentottleneck happen. We approach these two goals by using utility-orientedequester decision and diversity-oriented packet decision. Utility-oriented requesterecision is the algorithm that which peer sender should serve suchhat the minimum utility of peer upload capacity is be maximized. Diversityorientedacket decision is the method that when served peer decided, whichacket should send to this peer for the sake of the increasing the system diversityhich implies that the happen of content bottleneck is be minimized.imulation result shows that our proposed scheduling is better than best effortending packet on constant bit rate and variable bit rate environment. In addition,e shows that proposed sender side scheduling can improve the performancef receiver-side data scheduling. Simulation result shows using proposedender-side scheduling cooperate with receiver-side scheduling, usererceptual quality can be enhance about 1.83dB for well-designed receiversidecheduling, and enhance 7.65dB for simple receiver-side scheduling.x
Subjects
Peer-to-peer
streaming
data scheduling
network
Type
thesis
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