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Review

Optical Technology for NFV Converged Networks

1
Ericsson Research, Via Moruzzi 1, 56124 Pisa, Italy
2
SCINTIL Photonics, Parvis Louis Néel 7, CEDEX 9, 38040 Grenoble, France
3
CNIT—Photonic Networks and Technologies Nat’l Lab, Via Moruzzi 1, 56124 Pisa, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Amalia Miliou
Appl. Sci. 2021, 11(4), 1522; https://doi.org/10.3390/app11041522
Received: 7 December 2020 / Revised: 22 January 2021 / Accepted: 29 January 2021 / Published: 8 February 2021
(This article belongs to the Special Issue New Trends in Optical Networks)
5G and its evolution towards 6G is unlocking new use cases that will require the reconsideration of the existing network architectures and its operation. As the network will be required to support new service types and radio protocol splits, the traditional physical point to point connections will need to be replaced with a transport network up to the antenna site to guarantee low latency services and high bandwidth. Optical based transport is a key enabler to realize such a convergent network, where the traditional fixed infrastructure in use for mobile services and mobile infrastructure should also support enterprises services. The Software Defined Network (SDN) and Network Function Virtualization (NFV) technology plays a key role to evolve towards digitalization. It allows to simplify the creation of new services and to implement a real decoupling between the infrastructure and the network functions that run virtually, on generic processing units located everywhere in the network. Supporting automation is a key requirement that traditional optical technology is not able to meet. In this paper the reference scenarios for the access network are presented with the analysis of their requirements and the enabling optical solutions based on integrated silicon photonics. View Full-Text
Keywords: 5G; beyond 5G; SDN; NFV; convergent network; Xhaul; integrated silicon photonics; tunable filters; ROADM 5G; beyond 5G; SDN; NFV; convergent network; Xhaul; integrated silicon photonics; tunable filters; ROADM
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MDPI and ACS Style

Iovanna, P.; Bigongiari, A.; Bianchi, A.; Menezo, S.; Romagnoli, M.; Sorianello, V.; Cavaliere, F. Optical Technology for NFV Converged Networks. Appl. Sci. 2021, 11, 1522. https://doi.org/10.3390/app11041522

AMA Style

Iovanna P, Bigongiari A, Bianchi A, Menezo S, Romagnoli M, Sorianello V, Cavaliere F. Optical Technology for NFV Converged Networks. Applied Sciences. 2021; 11(4):1522. https://doi.org/10.3390/app11041522

Chicago/Turabian Style

Iovanna, Paola, Alessandra Bigongiari, Alberto Bianchi, Sylvie Menezo, Marco Romagnoli, Vito Sorianello, and Fabio Cavaliere. 2021. "Optical Technology for NFV Converged Networks" Applied Sciences 11, no. 4: 1522. https://doi.org/10.3390/app11041522

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