A scalable model for the performance evaluation of ROADMs with generic switching capabilities

Athanasios Tsokanos; Charalampos V. Mouchos; Elias E. Giacoumidis; J. M. Tang

A scalable model for the performance evaluation of ROADMs with generic switching capabilities

Athanasios Tsokanos, Charalampos V. Mouchos, Elias E. Giacoumidis, J. M. Tang

Research output: Contribution to journal › Article › peer-review

Abstract

In order to evaluate the performance of Reconfigurable Optical Add/Drop Multiplexers (ROADMs) consisting of a single large switch, in circuit switched Wavelength-Division Multiplexing (WDM) networks, a theoretical Queuing Network Model (QNM) is developed, which consists of two M/M/c/c loss systems each of which is analyzed in isolation. An overall analytical blocking probability of a ROADM is obtained. This model can also be used for the performance optimization of ROADMs with a single switch capable of switching all or a partial number of the wavelengths being used. It is demonstrated how the proposed model can be used for the performance evaluation of a ROADM for different number of wavelengths inside the switch, in various traffic intensity conditions producing an exact blocking probability solution. The accuracy of the analytical results is validated by simulation.

Original language	English
Pages (from-to)	1215-1220
Number of pages	6
Journal	Journal of Networks
Volume	5
Issue number	10
Publication status	Published - Oct 2010

Keywords

Blocking probability
Circuit switched networks
M/M/c/c loss system
Optical switch
QNM
ROADMs
WDM

Cite this

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title = "A scalable model for the performance evaluation of ROADMs with generic switching capabilities",

abstract = "In order to evaluate the performance of Reconfigurable Optical Add/Drop Multiplexers (ROADMs) consisting of a single large switch, in circuit switched Wavelength-Division Multiplexing (WDM) networks, a theoretical Queuing Network Model (QNM) is developed, which consists of two M/M/c/c loss systems each of which is analyzed in isolation. An overall analytical blocking probability of a ROADM is obtained. This model can also be used for the performance optimization of ROADMs with a single switch capable of switching all or a partial number of the wavelengths being used. It is demonstrated how the proposed model can be used for the performance evaluation of a ROADM for different number of wavelengths inside the switch, in various traffic intensity conditions producing an exact blocking probability solution. The accuracy of the analytical results is validated by simulation.",

keywords = "Blocking probability, Circuit switched networks, M/M/c/c loss system, Optical switch, QNM, ROADMs, WDM",

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AU - Tang, J. M.

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AB - In order to evaluate the performance of Reconfigurable Optical Add/Drop Multiplexers (ROADMs) consisting of a single large switch, in circuit switched Wavelength-Division Multiplexing (WDM) networks, a theoretical Queuing Network Model (QNM) is developed, which consists of two M/M/c/c loss systems each of which is analyzed in isolation. An overall analytical blocking probability of a ROADM is obtained. This model can also be used for the performance optimization of ROADMs with a single switch capable of switching all or a partial number of the wavelengths being used. It is demonstrated how the proposed model can be used for the performance evaluation of a ROADM for different number of wavelengths inside the switch, in various traffic intensity conditions producing an exact blocking probability solution. The accuracy of the analytical results is validated by simulation.

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KW - ROADMs

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A scalable model for the performance evaluation of ROADMs with generic switching capabilities

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Keywords

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