Impact of dynamics on situated and global aggregation schemes

  • Authors:
  • Rafik Makhloufi;Guillaume Doyen;Grégory Bonnet;Dominique Gaïti

  • Affiliations:
  • ICD, ERA, UMR, Université de Technologie de Troyes;ICD, ERA, UMR, Université de Technologie de Troyes;GREYC, MAD, UMR, Université de Caen Basse-Normandie;ICD, ERA, UMR, Université de Technologie de Troyes

  • Venue:
  • AIMS'11 Proceedings of the 5th international conference on Autonomous infrastructure, management, and security: managing the dynamics of networks and services
  • Year:
  • 2011

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Abstract

Recently, numerous management approaches have emerged in order to manage networks and services in a decentralized and autonomous way. Some of them propose to minimize their cost by using a situated view when collecting aggregates for the decision making process, while others propose to improve their accuracy by using a more conventional approach which is global view. So far, little attention is given to the evaluation of situated view while many studies propose to evaluate global approaches. As a consequence, there is no work in the literature that compares the performance of situated and global aggregation schemes. Being able to choose the suitable approach for a given context is still a real challenge. Mastering it will ensure the efficiency of the autonomous management system. In this paper, we present a comparative study of situated and global schemes deployed over large scale and dynamic networks. We consider two factors: network and information dynamics. We implement typical aggregation schemes from each category and then we compare them according to the accuracy of the estimated aggregates and the efficiency of the decision making process.