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Restoration Probability Modelling for Active Restoration-Based Optical Networks with Correlation Among Backup Routes
November 2007 (vol. 18 no. 11)
pp. 1592-1606
ASCII Text
x 
 
M.Mostafa A. Azim, Xiaohong Jiang, Pin-Han Ho, Susumu Horiguchi, Minyi Guo, "Restoration Probability Modelling for Active Restoration-Based Optical Networks with Correlation Among Backup Routes," IEEE Transactions on Parallel and Distributed Systems, vol. 18, no. 11, pp. 1592-1606, November, 2007.
 
 
BibTex
x
 
@article{ 10.1109/TPDS.2007.1084,
author = {M.Mostafa A. Azim and Xiaohong Jiang and Pin-Han Ho and Susumu Horiguchi and Minyi Guo},
title = {Restoration Probability Modelling for Active Restoration-Based Optical Networks with Correlation Among Backup Routes},
journal ={IEEE Transactions on Parallel and Distributed Systems},
volume = {18},
number = {11},
issn = {1045-9219},
year = {2007},
pages = {1592-1606},
doi = {http://doi.ieeecomputersociety.org/10.1109/TPDS.2007.1084},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Parallel and Distributed Systems
TI - Restoration Probability Modelling for Active Restoration-Based Optical Networks with Correlation Among Backup Routes
IS - 11
SN - 1045-9219
SP1592
EP1606
EPD - 1592-1606
A1 - M.Mostafa A. Azim,
A1 - Xiaohong Jiang,
A1 - Pin-Han Ho,
A1 - Susumu Horiguchi,
A1 - Minyi Guo,
PY - 2007
KW - Network survivability
KW - restoration probability
KW - active restoration
KW - optical networks
KW - path correlation
VL - 18
JA - IEEE Transactions on Parallel and Distributed Systems
ER -
 
Active restoration (AR) is a novel lightpath restoration scheme proposed recently to guarantee a certain degree of survivability in WDM optical networks with a reasonable tradeoff between capacity requirement and restoration time. In this paper, we conduct a comprehensive performance analysis for AR-based optical networks. In particular, we propose a novel analytical framework for modelling the restoration probability of a connection (the probability that the connection can be successfully restored in case of a failure) when the possible correlation among its multiple backup routes is incorporated. Although theoretically we need to consider all the possible correlation between as many as (N/2) pairs of backup routes to analyze the restoration probability in a network with N nodes, and this high computation complexity may obscure the practicality of an approach considering all the possible correlations among backup routes, our analysis in this paper indicates that by considering at most the possible correlations among any three successive backup routes of a connection, we can achieve a very good approximation to the simulated restoration probability of the connection, as verified by extensive simulation results upon two typical network topologies under various workloads. We find that the proposed framework can deeply investigate into the inherent relationship among restoration probability, wavelength channel utilization ratio, number of wavelengths per fiber, routes hop length and wavelength conversion capability; as a result, the framework significantly contributes to the related areas by providing network designers with a quantitative tool to evaluate the restoration probability and thus the survivability of AR-based optical networks.

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Index Terms:
Network survivability, restoration probability, active restoration, optical networks, path correlation
Citation:
M.Mostafa A. Azim, Xiaohong Jiang, Pin-Han Ho, Susumu Horiguchi, Minyi Guo, "Restoration Probability Modelling for Active Restoration-Based Optical Networks with Correlation Among Backup Routes," IEEE Transactions on Parallel and Distributed Systems, vol. 18, no. 11, pp. 1592-1606, Nov. 2007, doi:10.1109/TPDS.2007.1084
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