Control, management, and orchestration of optical networks: evolution, trends, and challenges

R Casellas, R Martínez, R Vilalta… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Automating the provisioning of telecommunications services, deployed over a
heterogeneous infrastructure (in terms of domains, technologies, and management …

Modeling and distributed provisioning in 10–40–100-Gb/s multirate wavelength switched optical networks

N Sambo, M Secondini, F Cugini… - Journal of Lightwave …, 2011 - ieeexplore.ieee.org
In wavelength-switched optical networks (WSONs), quality of transmission (QoT) has to be
guaranteed during lightpath provisioning. In multibit-rate WSONs, this task is complicated by …

Experimental translucent-oriented routing for dynamic lightpath provisioning in GMPLS-enabled wavelength switched optical networks

R Martínez, R Casellas, R Muñoz… - Journal of Lightwave …, 2010 - opg.optica.org
In the evolution from opaque networks, using 3R regenerators and OEO conversions for
every wavelength channel, towards transparent networks, relying on end-to-end all-optical …

Cross-layer approaches for planning and operating impairment-aware optical networks

J Solé-Pareta, S Subramaniam… - Proceedings of the …, 2012 - ieeexplore.ieee.org
Advances in optical transmission technology are driving the evolution from legacy opaque
toward transparent backbone networks. Aiming at reducing the costs and energy …

From GMPLS to PCE/GMPLS to OpenFlow: How much benefit can we get from the technical evolution of control plane in optical networks?

L Liu, T Tsuritani, I Morita - 2012 14th International Conference …, 2012 - ieeexplore.ieee.org
Control plane techniques are very important for optical networks since they can enable
dynamic lightpath provisioning and restoration, improve the network intelligence, and greatly …

Practical issues for the implementation of survivability and recovery techniques in optical networks

G Ellinas, D Papadimitriou, J Rak, D Staessens… - Optical Switching and …, 2014 - Elsevier
Failures in optical networks are inevitable. They may occur during work being done for the
maintenance of other infrastructures, or on a larger scale as the result of an attack or large …

Method for routing and wavelength assignment information encoding for wavelength switched optical networks

Y Lee, G Bernstein - US Patent 8,532,484, 2013 - Google Patents
An apparatus comprising a network element (NE) configured to communicate at least one of
signal constraints and processing capabilities for a plurality of resource blocks (RBs) …

Experimental assessment of a resilient PCE/GMPLS controlled translucent wavelength switched optical network

L Liu, T Tsuritani, R Casellas, R Martínez… - IEICE transactions on …, 2011 - search.ieice.org
A translucent wavelength switched optical network (WSON) is a cost-efficient infrastructure
between opaque networks and transparent optical networks, which aims at seeking a …

QoT-aware lightpath set-up in GMPLS-controlled WDM networks: a survey

P Castoldi, N Sambo, F Cugini, L Valcarenghi - Optical Switching and …, 2011 - Elsevier
GMPLS-controlled Wavelength Switched Optical Networks (WSON) often undergo upgrade
in bit rate or in network element switching capability. In such a scenario many wavelength …