Availability Analytical Model for Permanent Dedicated Path Protection in WDM Networks

This paper analyses the connection availability of a protection paradigm, termed permanent dedicated path protection (P-DPP), in WDM mesh networks. An analytical model for calculating the unavailability of P-DPP is introduced. Numerical results on COST239 European network show that the average unava...

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Bibliographic Details
Published in:IEEE communications letters 2012-01, Vol.16 (1), p.95-97
Main Authors: Li, Yanwei, Ni, Wenda, Zhang, Heng, Li, Yanhe, Zheng, Xiaoping
Format: Article
Language:English
Subjects:
Accuracy
Analytical models
Applied sciences
Availability
Computer networks
Computer simulation
Connection availability
dedicated path protection
Exact sciences and technology
Information, signal and communications theory
Joints
Mathematical analysis
Mathematical models
Mesh networks
Multiplexing
Networks
Optical fiber communications
Optical fiber networks
Optical telecommunications
permanent dedicated path protection
Signal and communications theory
Simulation
Telecommunications
Telecommunications and information theory
Wavelength division multiplexing
WDM mesh networks
WDM networks
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Summary:This paper analyses the connection availability of a protection paradigm, termed permanent dedicated path protection (P-DPP), in WDM mesh networks. An analytical model for calculating the unavailability of P-DPP is introduced. Numerical results on COST239 European network show that the average unavailability of the network is proportional to blocking probability of the network, and fits well with the simulation results.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2011.110711.111382