Performance evaluation of a reliable content mediation platform in the emerging future internet

  • Authors:
  • Simon Oechsner;Phuoc Tran-Gia

  • Affiliations:
  • University of Würzburg, Institute of Computer Science, Germany;University of Würzburg, Institute of Computer Science, Germany

  • Venue:
  • ITC20'07 Proceedings of the 20th international teletraffic conference on Managing traffic performance in converged networks
  • Year:
  • 2007

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Abstract

In todays Internet, a trend towards distributed content delivery systems can be observed. These systems still have to offer the same functionality as centralized architectures, e.g. content localization. While several advantages like load distribution and cost reduction could be gained by using a decentralized distribution platform, they come with a tradeoff in resource consumption. In this paper, we analyze and evaluate a decentralized Content Distribution Application (CDA) with respect to the time needed to locate specific content. We introduce a node model based on queueing theory and provide methods to compute important characteristics like the mean search time. In this model, we do not only consider the external offered load, but also the internal traffic created as a consequence of decentralization.