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Per-User Checkpointing for Mobility Database Failure Restoration
March/April 2005 (vol. 4 no. 2)
pp. 189-194
ASCII Text
x 
 
Yi-Bing Lin, "Per-User Checkpointing for Mobility Database Failure Restoration," IEEE Transactions on Mobile Computing, vol. 4, no. 2, pp. 189-194, March/April, 2005.
 
 
BibTex
x
 
@article{ 10.1109/TMC.2005.28,
author = {Yi-Bing Lin},
title = {Per-User Checkpointing for Mobility Database Failure Restoration},
journal ={IEEE Transactions on Mobile Computing},
volume = {4},
number = {2},
issn = {1536-1233},
year = {2005},
pages = {189-194},
doi = {http://doi.ieeecomputersociety.org/10.1109/TMC.2005.28},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Mobile Computing
TI - Per-User Checkpointing for Mobility Database Failure Restoration
IS - 2
SN - 1536-1233
SP189
EP194
EPD - 189-194
A1 - Yi-Bing Lin,
PY - 2005
KW - Checkpoint
KW - failure restoration
KW - General Packet Radio Service (GPRS)
KW - Home Location Register
KW - Universal Mobile Telecommunications System (UMTS).
VL - 4
JA - IEEE Transactions on Mobile Computing
ER -
 
This paper studies the failure restoration of mobility database for Universal Mobile Telecommunications System (UMTS). We consider a per-user checkpointing approach for the Home Location Register (HLR) database. In this approach, individual HLR records are saved into a backup database from time to time. When a failure occurs, the backup record is restored back to the mobility database. We first describe a commonly used basic checkpoint algorithm. Then, we propose a new checkpoint algorithm. An analytic model is developed to compare these two algorithms in terms of the checkpoint cost and the probability that a HLR backup record is obsolete. This analytic model is validated against simulation experiments. Numerical examples indicate that our new algorithm may significantly outperform the basic algorithm in terms of both performance measures.

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Index Terms:
Checkpoint, failure restoration, General Packet Radio Service (GPRS), Home Location Register, Universal Mobile Telecommunications System (UMTS).
Citation:
Yi-Bing Lin, "Per-User Checkpointing for Mobility Database Failure Restoration," IEEE Transactions on Mobile Computing, vol. 4, no. 2, pp. 189-194, March-April 2005, doi:10.1109/TMC.2005.28
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