Comprehensive survey on T-SDN: Software-defined networking for transport networks

R Alvizu, G Maier, N Kukreja… - … Surveys & Tutorials, 2017 - ieeexplore.ieee.org
Paradoxically, with an ever-increasing traffic demand, today transport-network operators
experience a progressive erosion of their margins. The alarms of change are set, and …

Multidimensional convergence in future 5G networks

M Ruffini - Journal of Lightwave Technology, 2016 - ieeexplore.ieee.org
Future 5G services are characterised by unprecedented need for high rate, ubiquitous
availability, ultralow latency, and high reliability. The fragmented network view that is …

Integrated SDN/NFV management and orchestration architecture for dynamic deployment of virtual SDN control instances for virtual tenant networks

R Muñoz, R Vilalta, R Casellas, R Martinez… - Journal of Optical …, 2015 - opg.optica.org
Software-defined networking (SDN) and network function virtualization (NFV) have emerged
as the most promising candidates for improving network function and protocol …

Access and metro network convergence for flexible end-to-end network design

M Ruffini, M Achouche, A Arbelaez, R Bonk… - Journal of Optical …, 2017 - opg.optica.org
This paper reports on the architectural, protocol, physical layer, and integrated testbed
demonstrations carried out by the DISCUS FP7 consortium in the area of access–metro …

Integrated SDN/NFV orchestration for the dynamic deployment of mobile virtual backhaul networks over a multilayer (packet/optical) aggregation infrastructure

R Martínez, A Mayoral, R Vilalta, R Casellas… - Journal of Optical …, 2017 - opg.optica.org
Future 5G networks will bring important challenges to network operators, such as the traffic
load increase mainly due to the proliferation of mobile broadband communications. This will …

Multitenant transport networks with SDN/NFV

R Vilalta, A Mayoral, R Munoz… - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
We propose the combination of optical network virtualization and network function
virtualization (NFV) for deployment of on-demand OpenFlow-controlled virtual optical …

SDN enabled dynamically reconfigurable high capacity optical access architecture for converged services

G Talli, F Slyne, S Porto, D Carey… - Journal of Lightwave …, 2017 - opg.optica.org
Dynamically reconfigurable time-division multiplexing (TDM) dense wavelength division
multiplexing (DWDM) long-reach passive optical networks (PONs) can support the reduction …

Control orchestration protocol: Unified transport API for distributed cloud and network orchestration

A Mayoral, R Vilalta, R Muñoz, R Casellas… - Journal of Optical …, 2017 - opg.optica.org
In the context of the fifth generation of mobile technology (5G), multiple technologies will
converge into a unified end-to-end system. For this purpose, software defined networking …

Software defined networking for next generation converged metro-access networks

M Ruffini, F Slyne, C Bluemm, N Kitsuwan… - Optical Fiber …, 2015 - Elsevier
While the concept of Software Defined Networking (SDN) has seen a rapid deployment
within the data center community, its adoption in telecommunications network has …

Hierarchical SDN orchestration of wireless and optical networks with E2E provisioning and recovery for future 5G networks

R Vilalta, A Mayoral, J Baranda, J Nuñez… - Optical Fiber …, 2016 - opg.optica.org
This paper proposes the hierarchical SDN orchestration of heterogeneous wireless/optical
networks. End-to-End connectivity services are provisioned through different network …