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Design and Simulation of Peer-to-Peer Live Streaming System

Author: ChengGang
Tutor: HuangJiaQing
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: Live streaming Peer-to-peer network Layered Coding Network simulation
CLC: TN919.8
Type: Master's thesis
Year: 2011
Downloads: 5
Quote: 0
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Abstract


Live streaming as hot application of multimedia technology on the Internet has been extensive research and attention . Peer-to-peer network live streaming technology due to its low cost of deployment , good scalability and other advantages become today's mainstream live streaming solutions . P2P live streaming systems face the problem of unstructured P2P live streaming system based asynchronous data transmission and central directory services . For network bandwidth and computing power of the Internet terminal heterogeneity using hierarchical coding techniques , and through the use of rotary request streaming data fragment , the node is able to adjust the transmission rate according to their own capabilities and network environment adaptive , reached the play Continuity and the best balance of quality of video playback . Through traffic LAN strategy , to control the network traffic across ISP link . In addition , a contribution to value - based incentive mechanism to ensure the fair sharing between network nodes . This paper extends a general-purpose parallel distributed network simulation platform PDNS live on the platform of the agreement , and discussed in detail on the partner node management , data transmission scheduling , traffic localization algorithm design and realization of details . Finally, the large-scale packet-level network simulation by up to tens of thousands of nodes , analyze the impact of the various protocol parameters and strategies on system performance , verify that this program is feasible and effective . In this paper, the live system has good scalability , enhance playback quality , reduce the server bandwidth pressure and the cross - ISP link flow has certain advantages , enhance the quality of the user experience . The results of simulation data has certain reference value , and is conducive to the further study of P2P live streaming algorithms .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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