P2P-Based Video-on-Demand Systems: A Survey

Shen, Shijun; Li, Sanli

doi:10.3724/sp.j.1016.2010.00613

Cited by 5 publications

(7 citation statements)

References 19 publications

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“…We can use a copy of fault-tolerant strategy to solve problem of network jitter [31]. The most common method is to select many good sending nodes, one as the current active node, the other as a backup node [41]. Most of the current study focused on how to switch between the main and backup node when the reduction of network jitter and maintain the continuity of streaming media services.…”

Section: Copy Strategymentioning

confidence: 99%

“…The systems encourage node as seed node, providing the uploader more nodes, can enjoying the greater download service priority is greater. This kind of game theory method is called TFT (Tit-for-Tat) [41], its core ideas are is: the quantity of service node providing will equal to the one node enjoying many service will enjoy node how many service .This TFT is a fair m echanism of way , which has a defect that the node with lower servicing ability difference node will not get the timely corresponding service timely, which may not be able to survive, so it's not suitable for the scale of VoD using.…”

Section: Incentive Mechanismmentioning

confidence: 99%

“…Reference [41] mentioned another kind of incentive mode asymmetrical FTF, that means no matter what t he service ability difference of nodes,even if it does not provide any services but also have basic s ocial welfare, nodes of ability need to provide greater contribution to help service ability difference node. This way of give attention to two or more things arrive ability difference of nodes, making full use of nodes in the system, but the pursuit of service way of average ability strong node is unfair, and easy to cause the user antipathetic.…”

Section: Incentive Mechanismmentioning

confidence: 99%

See 2 more Smart Citations

Survey: Research on QoS of P2P Reliable Streaming Media

Xiong¹,

Song²,

Yue³

et al. 2011

JNW

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Streaming media application has become one of the main services over Internet. As streaming media have special attributes, it is very important to ensure and improve the quality of service in large-scale streaming media. Based on the development of media streaming, it compared and analyzed the typical flow service strategy of media streaming system, and summarized the features and shortcomings of different systems. Moreover, it take the reputation evaluation, node selection, strategy of copy and incentive mechanism as the evaluation index, focus on the quality of service of current typical streaming media system. Finally, future works about the quality of service of media streaming systems in P2P networks are outlined.

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Section: Copy Strategymentioning

confidence: 99%

Section: Incentive Mechanismmentioning

confidence: 99%

Section: Incentive Mechanismmentioning

confidence: 99%

See 1 more Smart Citation

Survey: Research on QoS of P2P Reliable Streaming Media

Xiong¹,

Song²,

Yue³

et al. 2011

JNW

View full text Add to dashboard Cite

show abstract

“…For example, encoding [1,5,4,3,1,2,3] shows that the first piece downloaded from the first peer, the second piece downloaded from the fifth peer, and so on, the last piece downloaded from the third peer in this data scheduling process. The PSO algorithm has tackled integer programming problems [23].…”

Section: Ipso Algorithmmentioning

confidence: 99%

“…A peer not only requests data as a client, but also provides service to neighbors as a server, which makes P2P system transfer data quickly and efficiently, and effectively solves the server bottleneck problem of the C/S mode system. In P2P streaming system, proper scheduling policy not only achieves strong service capabilities, high throughput, short startup delay and good streaming continuity, but also reduces the waste of network bandwidth [2].…”

Section: Introductionmentioning

confidence: 99%

A new scheduling mechanism of BitTorrent streaming system based on improved PSO algorithm

Yuqi¹,

Yang²

2015

JCP

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Abstract:In order to provide streaming media service with higher quality, a new data scheduling mechanism based on improved particle swarm optimization algorithm is proposed. This mechanism applies the idea of particle swarm optimization to peer selection of BitTorrent (BT) streaming system. First, improved particle swarm optimization (IPSO) algorithm is developed to overcome the shortcoming of falling easily into local optimum. Second, particle encoding and decoding are defined in the context of streaming media data scheduling, and fitness function based on the service ability of a peer is proposed. Third, IPSO-based neighbor peer selection (IPSO-NPS) algorithm is designed, in which the optimal solution of IPSO determines the set of peers providing data block resources. Simulation results show that IPSO algorithm enhances the convergence speed and accuracy, and the new data scheduling mechanism of IPSONPS reduces the startup delay of system, enhances the media playing continuity and reduces the network load.

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Morphology diagram of PE gel films in wide range temperature‐strain space: An in situ SAXS and WAXS study

Chen

et al. 2019

J Polym Sci B Polym Phys

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Deformation-induced structural evolution of polyethylene (PE) gel films were investigated by in situ synchrotron radiation SAXS and WAXS techniques during stretching at temperatures from 25 C to 110 C. The structural evolutions along tensile strains showed distinct behaviors in the four temperature regions divided by T αI and T αII given by DMA and the onset point of melting measured by DSC, respectively, which was determined by the coupling effects of external stretching field and temperature. Finally, the morphological diagrams of PE gel films on distinct scales including long period of lamellae, crystallinity, and crystal size in 2D temperature-strain space were established, which can give a direct sight of membrane morphologies and act as a map for processing parameters selection.

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P2P-Based Video-on-Demand Systems: A Survey

Cited by 5 publications

References 19 publications

Survey: Research on QoS of P2P Reliable Streaming Media

Survey: Research on QoS of P2P Reliable Streaming Media

A new scheduling mechanism of BitTorrent streaming system based on improved PSO algorithm

Morphology diagram of PE gel films in wide range temperature‐strain space: An in situ SAXS and WAXS study

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