A Pointer Forwarding Scheme for Fault-tolerant Location Management in Mobile Networks


The KIPS Transactions:PartC, Vol. 11, No. 3, pp. 387-394, Jun. 2004
10.3745/KIPSTC.2004.11.3.387,   PDF Download:

Abstract

One of the main challenges in personal communication services(PCS) is to locate many mobile terminals that may move from place to place frequently. This kind of system operation is called location management. This task entails sophisticated signaling traffic and database queries. Several strategies have been proposed to improve the efficiency of location management. These strategies use location register databases to store the current locations of mobile terminals, and are vulnerable to failure of the location register databases. In this paper, we propose a fault-tolerant pointer forwarding scheme with distributed home location register in order to tolerate the failure of location registers. The performance of the proposed scheme is evaluated analytically by simulation, and is compared with Biaz´s bypass forwarding strategy and two-path forwarding strategy.


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Cite this article
[IEEE Style]
K. S. Lee, S. J. Ha, S. K. Chun, I. H. Bae, "A Pointer Forwarding Scheme for Fault-tolerant Location Management in Mobile Networks," The KIPS Transactions:PartC, vol. 11, no. 3, pp. 387-394, 2004. DOI: 10.3745/KIPSTC.2004.11.3.387.

[ACM Style]
Kyung Sook Lee, Sook Jeong Ha, Sung Kwang Chun, and Ihn Han Bae. 2004. A Pointer Forwarding Scheme for Fault-tolerant Location Management in Mobile Networks. The KIPS Transactions:PartC, 11, 3, (2004), 387-394. DOI: 10.3745/KIPSTC.2004.11.3.387.