QoS support in TLMM: three level mobility model for IP-Based networks

  • Authors:
  • Mohuya Chakraborty;Iti Saha Misra;Debasish Saha;Amitava Mukherjee

  • Affiliations:
  • Netaji Subhash Engineering College, Kolkata, India;Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India;MIS & Computer Computer Science Group, Indian Institute of Management (IIM), Calcutta, Kolkata, India;IPresently at Microelectronics and Information Technology KTH, Royal Institute of Technology, Kista, Sweden

  • Venue:
  • IWDC'04 Proceedings of the 6th international conference on Distributed Computing
  • Year:
  • 2004

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Abstract

TLMM, a three level mobility model for IP-based mobility management has been recently proposed as an architecture for managing global mobility in an IP-based network. This paper evaluates the performance of TLMM’s Quality of Service (QoS) framework using a combination of DiffServ and IntServ architectures with the concept of Bandwidth Broker for admission control and resource reservation for different service classes. The most important contribution in this paper is a dynamic handoff policy using the concept of Boundary Location Area, for performing location updates for inter-domain roaming of mobile nodes, which helps in maintaining proper QoS. The performance evaluation of the proposed protocol is provided by simulation results using Network Simulator (ns-2).