A DISTRIBUTED DATABASE
ARCHITECTURE FOR GLOBAL ROMING
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Abstract:
This mobile
network will support terminal mobility, personal mobility, and service provider
portability, making global roaming seamless. A location-independent Personal
Telecommunication Number (PTN) scheme is conducive to implementing such a
global mobile system. However, the non geographic PTNs coupled with the anticipated
large number of mobile user’s in future mobile networks may introduce very
large centralized databases. This necessitates research into the design and
performance of high-throughput database technologies used in mobile systems to
ensure that future systems will be able to carry efficiently the anticipated
loads. This is scalable, robust, efficient location database architecture based
on the location- independent PTNs.
The
proposed multi tree database architecture consists of a number of database
subsystems, each of which is a three-level tree structure and is connected to
the others only through its root. By exploiting the localized nature of calling
and mobility patterns, the proposed architecture effectively reduces the
database loads as well as the signaling traffic incurred by the location
registration and call delivery procedures. In addition, two Memory-resident
database indices, memory-resident direct file and T-tree are proposed
for the location databases to further improve their throughput. Analysis model
and numerical results are presented to evaluate the efficiency of the proposed
database architecture. Results have revealed that the proposed database
architecture for location management can effectively support the anticipated
high user density in the future mobile networks.
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System Requirement:
SOFTWARE
REQUIREMENTS
n VS .NET 2003
n SQL SERVER 2000
n Windows XP.
HARDWARE
REQUIREMENTS
n Hard disk : 40 GB
n RAM : 512mb
n Processor : Pentium IV
n Monitor : 17” Color monitor
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