Roteamento e Alocação de Recursos com Mecanismo de Resiliência Ciente da Prioridade de Tráfego
Resumo
A introdução de novas tecnologias e aplicações conectadas à Internet tem demonstrado a incapacidade física das redes ópticas atuais no aprovisionamento de recursos em um futuro próximo. Neste sentido, as redes ópticas elásticas com multiplexação por divisão espacial tem se mostrado uma solução promissora para lidar com este problema de capacidade. No entanto, considerando a enorme quantidade de dados que essas redes podem transportar, a garantia de resiliência dessas redes ainda é um problema em aberto. Este artigo propõe um algoritmo de roteamento com mecanismo de proteção para redes ópticas elásticas com multiplexação por divisão espacial, ciente da prioridade de tráfego. Os resultados obtidos demonstram a alta eficiência do algoritmo proposto no estabelecimento e resiliência de conexões de alta prioridade em comparação com algoritmos semelhantes na literatura.
Referências
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Santos, A. S., Horota, A. K., Zhong, Z., De Santi, J., Figueiredo, G. B., Tornatore, M., and Mukherjee, B. (2018). An online strategy for service degradation with proportional qos in elastic optical networks. In 2018 IEEE International Conference on Communications (ICC), pages 1–6. IEEE.
Tan, Y., Zhu, R., Yang, H., Zhao, Y., Zhang, J., Liu, Z., Qu, Q., and Zhou, Z. (2016). Crosstalk-aware provisioning strategy with dedicated path protection for elastic multicore fiber networks. In 2016 15th International Conference on Optical Communications and Networks (ICOCN), pages 1–3. IEEE.
Yen, J. Y. (1971). Finding the k shortest loopless paths in a network. Management Science, 17(11):712–716.
Yin, S., Guo, S., Meng, X., Ma, R., Guo, B., and Huang, S. (2021). Xt-considered multiple backup paths and resources shared protection scheme based on ring covers. Optics Express, 29(5):6737–6755.
Zhu, R., Samuel, A., Wang, P., Li, S., Oun, B. K., Li, L., Lv, P., Xu, M., and Yu, S. (2021). Protected resource allocation in space division multiplexing-elastic optical networks with fluctuating traffic. Journal of Network and Computer Applications, 174:102887.
Banaszek, K., Kunz, L., Jachura, M., and Jarzyna, M. (2020). Quantum limits in optical communications. Journal of Lightwave Technology, 38(10):2741–2754.
Brasileiro, Í., Costa, L., and Drummond, A. (2019). A survey on crosstalk and routing, modulation selection, core and spectrum allocation in elastic optical networks. arXiv preprint arXiv:1907.08538.
Christodoulou, C. and Ellinas, G. (2021). Resilient architecture for optical access networks. Photonic Network Communications, 41(1):1–16.
Hai, D. T. (2020). On the spectrum-efficiency of QoS-aware protection in elastic optical networks. Optik, 202:163563.
Halabi, W. (2020). Supporting service differentiation in multi-domain multilayer optical networks. International Journal of Computer (IJC), 36(1):1–17.
Labovitz, C. (2020). Early effects of covid-19 lockdowns on service provider networks: the networks soldier on! Accessed: 2020-07-11.
Layec, P., Dupas, A., Bisson, A., and Bigo, S. (2018). Qos-aware protection in flexgrid IEEE/OSA Journal of Optical Communications and Networking, optical networks. 10(1):A43–A50.
Moura, P. M. and Drummond, A. (2018). Flexgridsim: Flexible grid optical network simulator.
Oliveira, H. and da Fonseca, N. (2020). Uma estratégia de proteção eficiente em eonssdm utilizando p-cycle FIPP. In Anais do XXXVIII Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos, pages 155–168. SBC.
Oliveira, H. M. and Fonseca, N. L. (2019). Routing, spectrum and core assignment algorithms for protection of space division multiplexing elastic optical networks. Journal of Network and Computer Applications, 128:78 – 89.
Roos, J. M., Mela, C. F., and Shachar, R. (2020). The effect of links and excerpts on internet news consumption. Journal of Marketing Research, 57(3):395–421.
Santos, A. S., Horota, A. K., Zhong, Z., De Santi, J., Figueiredo, G. B., Tornatore, M., and Mukherjee, B. (2018). An online strategy for service degradation with proportional qos in elastic optical networks. In 2018 IEEE International Conference on Communications (ICC), pages 1–6. IEEE.
Tan, Y., Zhu, R., Yang, H., Zhao, Y., Zhang, J., Liu, Z., Qu, Q., and Zhou, Z. (2016). Crosstalk-aware provisioning strategy with dedicated path protection for elastic multicore fiber networks. In 2016 15th International Conference on Optical Communications and Networks (ICOCN), pages 1–3. IEEE.
Yen, J. Y. (1971). Finding the k shortest loopless paths in a network. Management Science, 17(11):712–716.
Yin, S., Guo, S., Meng, X., Ma, R., Guo, B., and Huang, S. (2021). Xt-considered multiple backup paths and resources shared protection scheme based on ring covers. Optics Express, 29(5):6737–6755.
Zhu, R., Samuel, A., Wang, P., Li, S., Oun, B. K., Li, L., Lv, P., Xu, M., and Yu, S. (2021). Protected resource allocation in space division multiplexing-elastic optical networks with fluctuating traffic. Journal of Network and Computer Applications, 174:102887.
Publicado
16/08/2021
Como Citar
LOPES, Rafael S.; ROSÁRIO, Denis; CERQUEIRA, Eduardo; VILLAS, Leandro; OLIVEIRA, Helder.
Roteamento e Alocação de Recursos com Mecanismo de Resiliência Ciente da Prioridade de Tráfego. In: SIMPÓSIO BRASILEIRO DE REDES DE COMPUTADORES E SISTEMAS DISTRIBUÍDOS (SBRC), 39. , 2021, Uberlândia.
Anais [...].
Porto Alegre: Sociedade Brasileira de Computação,
2021
.
p. 560-573.
ISSN 2177-9384.
DOI: https://doi.org/10.5753/sbrc.2021.16747.
