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Internet-scale content mediation in information-centric networks

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Abstract

Given that the vast majority of Internet interactions relate to content access and delivery, recent research has pointed to a potential paradigm shift from the current host-centric Internet model to an information-centric one. In information-centric networks, named content is accessed directly, with the best content copy delivered to the requesting user given content caching within the network. Here, we present an Internet-scale mediation approach for content access and delivery that supports content and network mediation. Content characteristics, server load, and network distance are taken into account in order to locate the best content copy and optimize network utilization while maximizing the user quality of experience. The content mediation infrastructure is provided by Internet service providers in a cooperative fashion, with both decoupled/two-phase and coupled/one-phase modes of operation. We present in detail the coupled mode of operation which is used for popular content and follows a domain-level hop-by-hop content resolution approach to optimally identify the best content copy. We also discuss key aspects of our content mediation approach, including incremental deployment issues and scalability. While presenting our approach, we also take the opportunity to explain key information-centric networking concepts.

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Acknowledgments

The research leading to these results has received funding from the EU FP7 COMET project—Content Mediator Architecture for Content-Aware Networks, under Grant Agreement 248784.

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Authors and Affiliations

  1. Department of Electronic and Electrical Engineering, University College London, London, UK

    George Pavlou, Wei Koong Chai & Ioannis Psaras

  2. Department of Electronic Engineering, University of Surrey, Guildford, UK

    Ning Wang

Authors
  1. George Pavlou
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  2. Ning Wang
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  3. Wei Koong Chai
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  4. Ioannis Psaras
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Corresponding author

Correspondence to Wei Koong Chai.

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Pavlou, G., Wang, N., Chai, W.K. et al. Internet-scale content mediation in information-centric networks. Ann. Telecommun. 68, 167–177 (2013). https://doi.org/10.1007/s12243-012-0333-8

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  • DOI: https://doi.org/10.1007/s12243-012-0333-8

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