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An Integrated Stateful PCE / OpenFlow controller for the Control and Management of Flexi-Grid Optical Networks

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, 2013
We report the design, implementation and experimental evaluation of a centralized control plane based on a stateful PCE, acting as an OpenFlow controller. We detail the protocol extensions for elastic optical networks and the performance.
Ramon Casellas   +5 more
openaire   +1 more source

SDN Orchestration of OpenFlow and GMPLS Flexi-Grid Networks With a Stateful Hierarchical PCE [Invited]

Journal of Optical Communications and Networking, 2014
New and emerging use cases, such as the interconnection of geographically remote data centers, are drawing attention to the need for provisioning end-to-end connectivity services spanning multiple and heterogeneous network domains. This heterogeneity is due not only to the data transmission and switching technology (the so-called data plane) but also ...
Ramon Casellas   +9 more
openaire   +2 more sources

Multi-tenant fairness in data center networks with flexi-grid optical networking

2017 16th International Conference on Optical Communications and Networks (ICOCN), 2017
In this paper, we set up a model of multi-tenant fairness in data center networks with flexi-grid optical networking and define the fair sharing degree (FSD) as an effective measurement of fairness. A novel max fairness (MF) scheme is proposed to ensure the fairness and minimum bandwidth of tenants.
Haoran Chen, Yongli Zhao, Jie Zhang
openaire   +1 more source

Differentiated Quality-of-Protection Provisioning with Probabilistic SRLG in Flexi-Grid Optical Networks

Asia Communications and Photonics Conference 2013, 2013
We define a new index named Service Failure Probability (SFP) with Probabilistic SRLG. An algorithm named SFP-oriented shared-path protection is proposed to provide differentiated Quality-of-Protection. Simulations show the algorithm works well in providing differentiated SFP.
Jinyan Liu   +6 more
openaire   +1 more source

Spectrum defragmentation implementation based on software defined networking (SDN) in flexi-grid optical networks

2014 International Conference on Computing, Networking and Communications (ICNC), 2014
OFDM has been considered as a promising candidate for future high-speed optical transmission technology. Based on OFDM, a novel architecture named flexi-grid optical network has been proposed, and it has drawn increasing attention in both academic and industry.
Xiaosong Yu   +5 more
openaire   +2 more sources

Cross stratum resilience for OpenFlow-enabled data center interconnection with Flexi-Grid optical networks

Optical Switching and Networking, 2014
Nowadays, most of the service providers offer their services and support their applications through federated sets of data centers, which needs to be interconnected using high-capacity telecom transport networks. To provide such high-capacity network channels, data center interconnection is typically based on Flexi-Grid optical networks that ensure the
Hui Yang 0006   +8 more
openaire   +2 more sources

Flexi-Grid Technology

2022
Divya Sharma   +3 more
openaire   +1 more source

A service-based schedule scheme in flexi-grid optical network

2014 13th International Conference on Optical Communications and Networks (ICOCN), 2014
null Minglu Xiao   +9 more
openaire   +1 more source

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