A hybrid mechanism for resource/service discovery in ad-hoc grids

  • Authors:
  • Rafael Moreno-Vozmediano

  • Affiliations:
  • Dept. de Arquitectura de Computadores y Automática, Universidad Complutense de Madrid, 28040 - Madrid, Spain

  • Venue:
  • Future Generation Computer Systems
  • Year:
  • 2009

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Abstract

With the proliferation of wireless mobile devices (laptops, PDAs, mobile phones, wireless sensors, etc.), and the development of efficient protocols for communication, routing, and addressing in mobile ad-hoc networks, wireless ad-hoc grids are emerging as a new computing paradigm, enabling innovative applications through the efficient sharing of information, computing resources, and services among devices in ad-hoc networks. However, the adaptation of grid technology to ad-hoc networks is not straightforward, and exhibits numerous difficulties (resource discovery, security, power consumption, QoS, etc.). This paper is focussed on the problem of resource discovery in ad-hoc grids, we study the existing resource and service discovery architectures, analyzing the main limitations of these systems (scalability, discovery delay, adaptation to changing conditions, etc.), and we propose a hybrid mechanism that overcomes these limitations.