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Co-evolution of content popularity and delivery in mobile P2P networks

Venkatramanan, Srinivasan and Kumar, Anurag (2012) Co-evolution of content popularity and delivery in mobile P2P networks. In: IEEE INFOCOM Conference, MAR 25-30, 2012, Orlando, FL, pp. 3006-3010.

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Mobile P2P technology provides a scalable approach for content delivery to a large number of users on their mobile devices. In this work, we study the dissemination of a single item of content (e. g., an item of news, a song or a video clip) among a population of mobile nodes. Each node in the population is either a destination (interested in the content) or a potential relay (not yet interested in the content). There is an interest evolution process by which nodes not yet interested in the content (i.e., relays) can become interested (i.e., become destinations) on learning about the popularity of the content (i.e., the number of already interested nodes). In our work, the interest in the content evolves under the linear threshold model. The content is copied between nodes when they make random contact. For this we employ a controlled epidemic spread model. We model the joint evolution of the copying process and the interest evolution process, and derive joint fluid limit ordinary differential equations. We then study the selection of parameters under the content provider's control, for the optimization of various objective functions that aim at maximizing content popularity and efficient content delivery.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 26 Feb 2013 12:30
Last Modified: 26 Feb 2013 12:30
URI: http://eprints.iisc.ac.in/id/eprint/45415

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