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Evolutive Lightpath Assessment in GMPLS-controlled Transparent Optical Networks
GMPLS-controlled Transparent Optical Network Lightpath Assessment
2015/5/15
A method to mix impairments estimations and in-field measured data is proposed to evaluate the Quality of Transmission of new lightpaths. It is applied before lightpath establishment and increases the...
Survivable Mapping with Maximal Physical-Layer Failure-Localization Potential in IP over Transparent Optical Networks
Networks Network survivability Network optimization
2015/6/10
Physical-layer failure-localization potential is explored in finding the survivable mapped lightpaths of IP over transparent optical networks. Numerical results show that accurate or near-accurate fai...
Applicability verification of all-optical sampling based Q factor monitor for link-by-link fault management in transparent optical networks
Networks Optical communications
2015/6/9
Applicability of all-optical sampling based Q-factor monitor has been successfully verified for link-by-link fault management in transparent optical mesh networks by comparing with an electrical recei...
Routing and Wavelength Assignment for Transparent Optical Networks With QoT Estimation Inaccuracies
Networks assignment routing algorithms Optical communications
2015/6/5
We show how inaccuracies of Quality of Transmission (QoT) estimations, caused by imperfect models and lack of monitors in transparent optical networks, can be mitigated using a novel routing and wavel...
Designing and Engineering Metropolitan Area Transparent Optical Networks for the Provisioning of Multicast Sessions
Designing Engineering Metropolitan Area Transparent Optical Networks Provisioning Multicast Sessions
2015/6/4
We investigate the problem of designing and engineering metropolitan area optical networks for the provisioning of multicast sessions. The Q-factor for each session is taken into account, aiming at ma...
Dissemination of Monitoring Information in Transparent Optical Networks
Dissemination Monitoring Information Transparent Optical Networks
2015/7/14
The PCE architecture is designed to be a cost-effective solution for computing optimal paths in next-generation core networks. In this paper we propose a method for disseminating optical monitoring in...
Probe-based Schemes to Guarantee Lightpath Quality of Transmission (QoT) in Transparent Optical Networks
Guarantee Lightpath Quality Transmission (QoT) Transparent Optical Networks
2015/8/6
Two probe-based schemes are proposed to dynamically guarantee lightpath QoT in transparent optical networks. Low blocking and fast set up times are achieved within few lightpath set up attempts.
Demonstration of GMPLS-controlled Inter-domain Transparent Optical Networks
GMPLS-controlled Inter-domain Transparent Optical Networks
2015/8/3
GMPLS extensions such as the wavelength label supporting 3R regenerators and BGP dissemination of wavelength reachability across domain boundaries were proposed. Resilient end-to-end lighpath provisio...
