Banca de DEFESA: JOÃO MARCOS RAMOS DE ABREU

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
DISCENTE : JOÃO MARCOS RAMOS DE ABREU
DATA : 14/08/2020
HORA: 16:00
LOCAL: Escola Politécnica (remota)
TÍTULO:

Elastic Optical Networks Planning with Protection: Managementing Failures  

PALAVRAS-CHAVES:

Elastic Optical Networks, Optical Communications

PÁGINAS: 46
GRANDE ÁREA: Engenharias
ÁREA: Engenharia Elétrica
SUBÁREA: Telecomunicações
ESPECIALIDADE: Sistemas deTelecomunicações
RESUMO:

In Elastic Optical Networks - EON, the bandwidth of an optical path is variable and the overlap of the virtual topology in a physical topology must be designed to optimize the use of the spectrum. EONs, under static traffic, are typically designed using Mixed Integer Linear Programming (MILP) in order to minimize spectrum usage.

In this dissertation, a formulation for protection in EONs is proposed, which, based on the concept of squeezing and fixing the bandwidth, including shared risk groups, returns with the minimization of the maximum number of slots used in any physical link in the network. The route for each demand in the physical topology is determined by equilibrium equations together with restrictions of the physical layer in the formulation, so that pre-calculated routes are not necessary and the modulation format of each established optical path can be chosen with transmission quality needed. The first results evaluate the effectiveness of the MILP formulation for a small network when the connections are under different requirements of the Service Level Agreement - SLA and are provided by an appropriate protection scheme and different modulation formats. Subsequently, simulations are carried out on slightly larger real networks, such as the Via Network and the National Education and Research Network (RNP).
Case studies are carried out to analyze the basic properties of the proposed formulation.

MEMBROS DA BANCA:
Presidente - 1546333 - KARCIUS DAY ROSARIO ASSIS
Externo ao Programa - 1088065 - ANTONIO CEZAR DE CASTRO LIMA
Externo à Instituição - JOSÉ VALENTIM DOS SANTOS FILHO - UFRB