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Communication Dans Un Congrès Année : 2011

Swarm-based Intelligent Routing (SIR) - a New Approach for Efficient Routing in Content Centric Delay Tolerant Networks

Anh-Dung Nguyen
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Patrick Sénac
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Victor Ramiro
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Michel Diaz
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Résumé

This paper introduces Swarm-based Intelligent Routing (SIR), a swarm intelligence based approach used for routing content in content centric Pocket Switched Networks. We first formalize the notion of optimal path in DTN, then introduce a swarm intelligence based routing protocol adapted to content centric DTN that use a publish/subscribe communication paradigm. The protocol works in a fully decentralized way in which nodes do not have any knowledge about the global topology. Nodes, via opportunistic contacts, update utility functions which synthesizes their spatio-temporal proximity from the content subscribers. This individual behavior applied by each node leads to the collective formation of gradient fields between content subscribers and content providers. Therefore, content routing simply sums up to follow the steepest slope along these gradient fields to reach subscribers who are located at the minima of the field. Via real traces analysis and simulation, we demonstrate the existence and relevance of such gradient field and show routing performance improvements when compared to classical routing protocols previously defined for information routing in DTN.
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Dates et versions

hal-00908494 , version 1 (23-11-2013)

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  • HAL Id : hal-00908494 , version 1

Citer

Anh-Dung Nguyen, Patrick Sénac, Victor Ramiro, Michel Diaz. Swarm-based Intelligent Routing (SIR) - a New Approach for Efficient Routing in Content Centric Delay Tolerant Networks. The 14th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM 2011), Oct 2011, Miami, United States. pp.137-142. ⟨hal-00908494⟩
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