Wavelength switching delay and distribution in optical fiber networks
Автор: Farhan Nisar, Samad Baseer, Arshad Khan
Журнал: International Journal of Computer Network and Information Security @ijcnis
Статья в выпуске: 9 vol.11, 2019 года.
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Advanced network engineering is rapidly evolving and providing ever larger levels of communications capacity. This work explores deployed wavelength division modulation (WDM) optical networks and the flexible light path scheduling problems. Light path switching can improve the performance of routing and wavelength allocation (RWA) in WDM by relaxing the continuity constraint and consequently reducing connection request blocking probability during RWA process. Through extensive simulations, we are able to conclude that our proposed delayed allocation (DA) algorithm with wavelength switching improves resource consumption efficiency and lowers call blocking. We also evaluate demands with limited wavelength switching such that a reason- able result can be specified. This wavelength switching is found to significantly increase the performance improvement of DA.
Routing and Wavelength Assignment, Advance Reservation, Delayed Allocation
Короткий адрес: https://sciup.org/15015714
IDR: 15015714 | DOI: 10.5815/ijcnis.2019.09.03
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