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Updated: Dec 8, 2025

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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CoNTe: A Core Network Temporal Blockchain for 5G.

Steven Platt1, Luis Sanabria-Russo2, Miquel Oliver1

  • 1Department of Information and Communications Technologies, Universitat Pompeu Fabra, 08005 Barcelona, Spain.

Sensors (Basel, Switzerland)
|September 18, 2020
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Summary

This study introduces a novel temporal blockchain design compatible with elastic cloud computing and virtual network functions. It addresses the incompatibility of current blockchain technology for dynamic scaling in 5G Core networks.

Keywords:
5G-specific blockchainblockchaindistributed algorithmsnetwork functions virtualizationsoftware-defined networks

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Area of Science:

  • Computer Science
  • Telecommunications Engineering
  • Distributed Systems

Background:

  • Virtual Network Functions (VNFs) enable flexible, cloud-like network operations, separating hardware from network functions.
  • Current distributed ledger technologies (DLTs) are often immutable and struggle with the dynamic scaling demands of virtualized environments.
  • The integration of DLTs into elastic network deployments like 5G Core remains a significant challenge.

Purpose of the Study:

  • To address the structural incompatibility between existing blockchain designs and elastic VNF deployments.
  • To propose a novel temporal blockchain architecture suitable for dynamic scaling and VNF packaging.
  • To enhance the integration of DLTs within next-generation telecommunication infrastructures.

Main Methods:

  • Developed a novel temporal blockchain design.
  • Built the design atop a federated byzantine agreement protocol.
  • Focused on enabling dynamic scalability and VNF packaging for 5G Core.

Main Results:

  • The proposed temporal blockchain design demonstrates compatibility with elastic VNF deployments.
  • The architecture facilitates dynamic scaling, a key requirement for modern networks.
  • The design is suitable for packaging as a Virtual Network Function (VNF) for the 5G Core.

Conclusions:

  • The novel temporal blockchain architecture overcomes the limitations of current DLTs in elastic environments.
  • This approach enables the integration of blockchain capabilities into 5G Core networks.
  • The research paves the way for more flexible and scalable DLT applications in telecommunications.