Abstract
In this paper, we have proposed a Multiservice Provisioning Optical Code Switching (OCS) method for GMPLS networks, which uses Optical-Code-Division-Multiplexing (OCDM) across every lightpath of a wavelength division multiplexing system. We also presented the router architecture for the GMPLS multiservice network. In this method, the Multi Length Variable Weight Optical Orthogonal Code (MLVW-OOC) is used to multiplex each class (two-class system) service connection to a wavelength as an OCDM signature series. First, the fiber bandwidth has been classified into several wavebands, whose wavelengths are considered for a specific service class depending on the characteristics of that service class. The codes corresponding to the service class are also given in this manuscript. Erlang’s traffic behavior of the network model is used to evaluate the system performance as well as to obtain the probability density functions (PDF) of the number of labels oocupied by a link. We have also evaluated the PDF for the number of labels occupied in each wavelength. Further, we have evaluated the performance of the network in terms of the probability of outage, blocking probability, and the end-to-end (EE) bit error rate (BER) of a connection. The results indicate that interfering users perform better with longer-weight code words. Moreover, with the increase in the number of intermediate OCS routers, EE BER is increased, and it is found that by constraining the number of connected paths, performance can be improved.
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We acknowledge the thanks and support provided to us by Department of Electronics Engineering of Indian Institute of Technology (Indian School of Mines), Dhanbad, India.
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Reddy, M.B., Thangaraj, J. & Priye, V. Multiservice Provisioning Optical Code Switched Generalized Multiprotocol Label Switching Optical Networks. Wireless Pers Commun 128, 1651–1669 (2023). https://doi.org/10.1007/s11277-022-10013-8
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DOI: https://doi.org/10.1007/s11277-022-10013-8