Investigation of dynamic routing and spectrum allocation methods in elastic optical networks

• Autorzy: Biernacka E. , Domżał J. , Wójcik T.

Identyfikatory

DOI

10.1515/eletel-2017-0012

• Języki publikacji: EN

Abstrakty

EN

The introduction of flexible frequency grids and advanced modulation techniques to optical transmission, namely an elastic optical network, requires new routing and spectrum allocation techniques. In this paper, we investigate dynamic two-step routing and spectrum allocation (RSA) methods for elastic optical networks. K-shortest path-based methods as well as spectrum allocation methods are analysed and discussed. Experimental verification of the investigated techniques is provided using simulation software. Simulation results present effectiveness of routing and spectrum allocation methods for analyzed networks using requested bandwidth of connections. Moreover, performance of shortest path first methods improves considerably when a number of candidate paths increases in the UBN24 topology.

Słowa kluczowe

EN

elastic optical networks; routing and spectrum allocation; dynamic two-step RSA method

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2017
• Tom: Vol. 63, No. 1
• Strony: 85--92
• Opis fizyczny: Bibliogr. 19 poz., wykr.

Twórcy

autor

Biernacka E.

• Department of Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Domżał J.

• Department of Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wójcik T.

• Department of Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).