New Algorithm for Provision of Adaptive Guard Band in Elastic Networks

• Neclyeux Monteiro Universidade Federal do Piaui
• Alexandre Fontinele Universidade Federal de Pernambuco
• Iallen Santos Universidade Federal do Pernambuco / Instituto Federal de Educação, Ciência e Tecnologia do Piauí
• Antonio Costa Universidade Federal do Piauí
• Divanilson R. Campelo Universidade Federal de Pernambuco
• André Soares Universidade Federal do Piauí

DOI: https://doi.org/10.5753/sbrc.2019.7368

Abstract

Elastic optical networks make up a network infrastructure capable of supporting the high demand for data traffic from high-speed networks. One of the problems that must be solved to ensure the proper functioning of the network is called Routing, Modulation Level and Spectrum Allocation (RMLSA). This paper aims to propose a new approach to this problem through the use of an adaptive guard bandwidth provisioning algorithm, based on the level of network utilization, called GBUN. The performance of the proposed algorithm is compared with algorithms that use fixed guard band values ​​and the adaptive proposal AGBA. The results show that the proposed algorithm presents a better performance in terms of band block probability for the studied scenarios.

Keywords: Elastic Optical Networks, Adaptive Algorithms, Network Management

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