Download Behavior Dynamics in Media-Sharing Social Networks by H. Vicky Zhao PDF

By H. Vicky Zhao

In large-scale media-sharing social networks, the place thousands of clients create, proportion, hyperlink and reuse media content material, there are transparent demanding situations in holding content material defense and highbrow estate, and in designing scalable and trustworthy networks in a position to dealing with excessive degrees of site visitors. This finished source demonstrates how online game conception can be utilized to version consumer dynamics and optimize layout of media-sharing networks. It reports the basic methodologies used to version and examine human habit, utilizing examples from real-world multimedia social networks. With an intensive research of the influence of human elements on multimedia approach layout, this obtainable publication exhibits how an knowing of human habit can be utilized to enhance procedure functionality. Bringing jointly mathematical instruments and engineering techniques with rules from sociology and human habit research, this one-stop consultant will let researchers to discover this rising box extra and eventually layout media-sharing platforms with extra effective, safe and custom-made companies

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However, protecting digital fingerprints is no longer a traditional security issue with a single adversary. The global nature of the Internet has enabled a group of attackers (colluders) to work together and collectively mount attacks to remove the fingerprints. These attacks, known as multiuser collusion, pose serious threats to intellectual property rights. Analysis of the strategies, capabilities, and limitations of attackers is an indispensable and crucial part of research in multimedia security.

Peer heterogeneity and peer churn pose major challenges in designing high-quality P2P video streaming services; it is desirable to enable all peers to watch smooth high-quality videos without freezing or frame skipping, except for a short delay at the beginning. One solution to address the peer heterogeneity issue is to use this heterogeneity – that is, to ask peers with larger upload bandwidth to help others by a greater amount. The intuition behind this design is that because the quality of service of a P2P video streaming system is determined largely by the total upload bandwidth contributed by all peers in the system, peers with higher upload bandwidth should be able to help more peers to fully use their upload bandwidth.

1 1 1 0 1 0 Offset Time Fig. 1 A peer’s buffer map r Video server: A video stream is divided into media chunks and is made available from the video server for broadcast. All information about the video stream is available at the video server. r The streaming peer contains a streaming engine and a media player in the same machine. The streaming engine exchanges video buffer map information with other peers, delivers chunks to other peers upon request, sends chunk requests to other peers, and downloads video chunks from other peer nodes or the video streaming server.

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