Location and Configuration Management in Mobile-Switch ATM Networks

  • Authors:

  • Sheng-Tzong Cheng;Chi-Ming Chen

  • Affiliations:

  • Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C. stcheng@mail.ncku.edu.tw;Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C.

  • Venue:
  • Journal of Network and Systems Management
  • Year:
  • 2001

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Abstract

The features of two important application scenarios, supporting mobile switches with fixed end users and mobile switches with mobile users, are dramatically different from those of the traditional wired network structure. To exploit mobile switches, the location and configuration management of mobile switches is essential to handle the mobility and topology change of the wireless/mobile ATM network. In this paper we address the location management and configuration problems of mobile switches in an ATM network. We investigate several aspects of the location management problem including architecture to support switch mobility, mobile switch tracking, and mobile switch locating. We propose an approach that is based on the Private Network-Network Interface (PNNI) protocol. We extend the PNNI protocol to enable it to handle mobile switches. Moreover, we develop analytical models to determine the tracking and locating costs for mobile switches under the proposed scheme. The models illustrate the relation between total cost (tracking cost + locating cost) and peer group size. The models can be used to derive the optimal configuration for an ATM network with mobile switches.