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Telecommunication Systems

, Volume 54, Issue 4, pp 373–386 | Cite as

DiffServ-aware multicasting in a mobile IPv6 network

  • Wu-Hsiao Hsu
  • Yuh-Pyng ShiehEmail author
Article

Abstract

In this paper we propose an algorithm to establish a DiffServ-Aware Multicast Tree (DAMT) in a mobile IPv6 network. We first use the modified Prim’s algorithm to construct the Maximum Available Bandwidth Map (MABM) in a mobile IPv6 network. Then, both the extended multicast routing table stored in each Edge Router (ER) and the Interface QoS Table (IQT) stored in each Core Router (CR) are created and used to construct a DAMT. Finally, the constructed MABM can be rearranged (R-MABM) in order to keep the same QoS as a Mobile Node (MN) had in the home network when the MN has moved to a new ER. The proposed algorithm solves the architectural conflicts for the integration of multicasting support in the Diffserv network as well as the problems of the Neglected Reservation Sub-tree (NRS) and receiver heterogeneity. It also solves a MN’s QoS requirement when the MN moves from one network to another. Simulation results indicate that the proposed algorithm offers better performance than existing approaches in average delay, average packet loss rate, average throughput, the number of control overhead, the usage of bandwidth, the amount of saved link bandwidth, and the accumulated time to find a feasible path, especially in the case where the number of new join MN is large and traffic loads are heavy.

Keywords

DAMT MABM IQT R-MABM 

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Copyright information

© Springer Science+Business Media, LLC 2013

Authors and Affiliations

  1. 1.Department of Computer Science and Information EngineeringMing Chuan UniversityTaoyuanTaiwan

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