NFV and SDN—Key Technology Enablers for 5G Networks
Open accessAbstract
Communication networks are undergoing their next evolutionary step toward 5G. The 5G networks are envisioned to provide a flexible, scalable, agile, and programmable network platform over which different services with varying requirements can be deployed and managed within strict performance bounds. In order to address these challenges, a paradigm shift is taking place in the technologies that drive the networks, and thus their architecture. Innovative concepts and techniques are being developed to power the next generation mobile networks. At the heart of this development lie Network Function Virtualization and Software Defined Networking technologies, which are now recognized as being two of the key technology enablers for realizing 5G networks, and which have introduced a major change in the way network services are deployed and operated. For interested readers that are new to the field of SDN and NFV, this paper provides an overview of both these technologies with reference to the 5G networks. Most importantly, it describes how the two technologies complement each other and how they are expected to drive the networks of near future.
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SDN and NFV may enable network management to be automated and ensure that end users' QoS/QoE requirements and Experience Level Agreement (ELA) are fulfilled in heterogeneous environments.
“Indeed, SDN and NFV may enable network management to be automated and ensure that the end users' QoS/QoE requirements as well as Experience Level Agreement (ELA) 1 are fulfilled in the heterogeneous environments [23].”
From QoE Management of Multimedia Streaming Services in Future Networks: A Tutorial and Survey (2020) · cites this paper as [23]
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References 9 · Cited by 340
- Authors
- Yousaf, F. Z., Bredel, M., Schaller, S., & Schneider, F.
- Affiliations
- NEC (Germany) (DE)
- Venue
- IEEE Journal on Selected Areas in Communications
- Published
- 2017-11
- Volume
- 35
- Issue
- 11
- Pages
- 2468-2478
- ISSN
- 0733-8716 (ISSN-L)
- 1558-0008
- OpenAlex
- W2762414772
- Cited by
- 340
- References
- 9
- Citations by year
- 2026: 12 · 2025: 27 · 2024: 37 · 2023: 37 · 2022: 58 · 2021: 48 · 2020: 53 · 2019: 47 · 2018: 21
- FWCI
- 22.04
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Licence
- Locations
- IEEE Journal on Selected Areas in Communications (publishedVersion)
- arXiv (Cornell University) (acceptedVersion)
- arXiv (Cornell University)
- Funders
- Framework of H2020 Projects 5G NORMA (ICT-2014-2)
- SONATA (ICT-14-2014)
- Topics
- Physical Sciences › Computer Science › Computer Networks and Communications › Software-Defined Networks and 5G
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Optical Network Technologies
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Data and IoT Technologies
- Keywords
- network function virtualization, software-defined networking, 5G, network architecture, network service deployment, programmable networks, cellular networks, network virtualization
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