A modified centralized DNS approach for the dynamic MANET environment

  • Authors:
  • Sanghyun Ahn;Yujin Lim

  • Affiliations:
  • School of Computer Science, University of Seoul, Seoul, Korea;Department of Information Media, University of Suwon, Hwasung-si, Korea

  • Venue:
  • ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
  • Year:
  • 2009

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Abstract

Most of the researches on the mobile ad hoc network (MANET) have been focused on routing protocols, but, for the real service provision of MANET, a domain name system (DNS) mechanism has to be supported in the first place. Due to the inherent characteristics of MANET, the centralized DNS mechanism for the wired network is assumed to be inappropriate for the MANET environment. For MANET, distributed DNS mechanisms have been proposed so that they can easily adapt to the node mobility, but these mechanisms can incur the name conflict resolution overhead. On the other hand, the centralized approach performs the name resolution based on the unicast communication without causing the name conflict resolution overhead. The most important issue on adopting the centralized DNS approach to MANET is providing the seamless name resolution service under the server mobility. Therefore, in this paper, we propose a new centralized DNS, the Manet DNS, which works efficiently on name allocation and management and solves the network merging and partitioning problem as well as providing the seamless name resolution service in the dynamic MANET environment.