A framework for seamless service interworking in ad-hoc networks

  • Authors:

  • Linda Källström;Simone Leggio;Jukka Manner;Tommi Mikkonen;Kimmo Raatikainen;Jussi Saarinen;Sanna Suoranta;Antti Ylä-Jääski

  • Affiliations:

  • Helsinki University of Technology, TML Laboratory, P.O.Box 5400, FIN-02015, HUT, Finland;University of Helsinki, Department of Computer Science, P.O. Box 68, FIN-00014, University of Helsinki, Finland;University of Helsinki, Department of Computer Science, P.O. Box 68, FIN-00014, University of Helsinki, Finland;Tampere University of Technology, Department of Information Technology, P.O.Box 553, FIN-33101, Tampere, Finland;University of Helsinki, Department of Computer Science, P.O. Box 68, FIN-00014, University of Helsinki, Finland;Tampere University of Technology, Department of Information Technology, P.O.Box 553, FIN-33101, Tampere, Finland;Helsinki University of Technology, TML Laboratory, P.O.Box 5400, FIN-02015, HUT, Finland;Helsinki University of Technology, TML Laboratory, P.O.Box 5400, FIN-02015, HUT, Finland

  • Venue:
  • Computer Communications
  • Year:
  • 2006

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Abstract

Local area wireless networks are becoming commonplace in our everyday lives. It would be beneficial to establish such wireless networks in an ad-hoc manner so that they are infrastructure-free. In the current IP networks, various infrastructure elements play cordial roles, and most of the service-related Internet technologies cannot be deployed in infrastructure-free ad-hoc networks. In this paper, we develop mechanisms for seamless service interworking in ad-hoc networks: first, finding devices, people and services in an ad-hoc environment, and then establishing communications sessions between two or more parties. To guarantee interworking with current networks, we reuse as much as possible well-known client-server Internet technologies and with minimal changes modify them to be applicable in a peer-to-peer manner in ad-hoc networks. We have developed methods for service discovery, session management, and security support that can be used in infrastructure-free ad-hoc networks. We have verified the developed methods with a proof-of-concept implementation in a WLAN testbed network. We also evaluated the realized implementation, in terms of bandwidth and CPU consumption. We present the evaluation results to conclude the paper.