Distribution of the Latest Content in Dynamic Content Updates over Delay Tolerant Networks

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概要

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• The applications of dynamic content updates for a group of users, for example weather reports and news broadcast, have been shown to benefit significantly from Delay Tolerant Networks (DTNs) communication mechanisms. In this paper, we study the performance of dynamic content updates over DTNs by focusing on the latest content distribution, which is an important factor of the system energy consumption and content update efficiency. By characterizing the content generating process and content sharing process, we obtain an explicit expression for the latest content distribution, and prove it theoretically. Moreover, through simulations based on two synthetical mobility models and a real-world scenario, we demonstrate the accuracy and correctness of the theoretically obtained result.

• 2012-07-01

著者

• SU Li

  the Department of Electronic Engineering, Tsinghua University

• ZENG Lieguang

  the Department of Electronic Engineering, Tsinghua University

• LI Yong

  the Department of Electronic Engineering, Tsinghua University

• JIN Depeng

  the Department of Electronic Engineering, Tsinghua University

関連論文

• Distribution of the Latest Content in Dynamic Content Updates over Delay Tolerant Networks
• An Novel Message Transmission Delay Model for Disruption Tolerant Networking

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