Data-path selection mechanism based on physical layer impairments for WDM network Online publication date: Thu, 15-Nov-2012
by Santos Kumar Das; Chakravarthi P. Kalyan; Sarat Kumar Patra
International Journal of Signal and Imaging Systems Engineering (IJSISE), Vol. 5, No. 4, 2012
Abstract: In optical networks, Physical Layer Impairments (PLIs) incurred by non-ideal optical transmission media accumulate along the optical path. The overall effect of PLIs determines the feasibility of the light-paths. It is important to understand the process that provide PLI information to the central manager and use this information efficiently to compute feasible routes and wavelengths. Based on the PLI impairments like fibre attenuation, Chromatic Dispersion (CD) and Polarisation Mode Dispersion (PMD), which reflects the Quality of service factors (Q-Factor), a centralised PLI-based routing algorithm is proposed for the selection of data-paths.
Online publication date: Thu, 15-Nov-2012
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