<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The demand for scalable, open and granular networks has enabled mobile networks such as 5G to adopt new concepts including NFV (Network Function Virtualization). NFV separates the dependency of network functions from the hardware component, allowing them to be deployed flexibly and dynamically across network slices. In this way, operators can deliver personalized services and optimize the use of network resources, contributing to greater operational efficiency and an enhanced end-user experience. However, there are several issues to be addressed, such as the security of VNFs and the way in which service provider customers instantiate NSSIs (Network Slice Subnet Instance). In this article, we present a new approach based on blockchain 2.0, which guarantees the immutability of VNFs and templates, as well as highly secure instantiation with access management and support for replay attacks.</p>
</abstract>

The demand for scalable, open and granular networks has enabled mobile networks such as 5G to adopt new concepts including NFV (Network Function Virtualization). NFV separates the dependency of network functions from the hardware component, allowing them to be deployed flexibly and dynamically across network slices. In this way, operators can deliver personalized services and optimize the use of network resources, contributing to greater operational efficiency and an enhanced end-user experience. However, there are several issues to be addressed, such as the security of VNFs and the way in which service provider customers instantiate NSSIs (Network Slice Subnet Instance). In this article, we present a new approach based on blockchain 2.0, which guarantees the immutability of VNFs and templates, as well as highly secure instantiation with access management and support for replay attacks.

Blockchain-Based Security Framework for VNF Package Protection in 5G Network Slicing Services

Laboratory of Coding and Security of Information, Faculty of Electrical Engineering, Department of Electronics

University of Sciences and Technology of Oran Mohamed Boudiaf USTO-MB

University of Bechar – Tahri Mohamed Rue de l'indépendance

Transport and Telecommunication Journal

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The demand for scalable, open and granular networks has enabled mobile networks such as 5G to adopt new concepts including NFV (Network Function...

Blockchain-Based Security Framework for VNF Package Protection in 5G Network Slicing Services

Published Online: Jun 26, 2024

Page range: 289 - 299

DOI: https://doi.org/10.2478/ttj-2024-0021

Keywords
NFV, Smart Contract, VNF Packages, 5G, Blockchain, Security

© 2024 Meriem Boukessessa et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Blockchain-Based Security Framework for VNF Package Protection in 5G Network Slicing Services

Published Online: Jun 26, 2024

Page range: 289 - 299

DOI: https://doi.org/10.2478/ttj-2024-0021

KeywordsNFV, Smart Contract, VNF Packages, 5G, Blockchain, Security

© 2024 Meriem Boukessessa et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
NFV, Smart Contract, VNF Packages, 5G, Blockchain, Security