A Blockchain-based System for Secure and Distributed Virtual Network Functions Orchestration

Autor(es)

Camilo, Gustavo F. ; de Souza, Lucas Airam C. ; Campista, Miguel Elias M. ; Costa, Luis Henrique M. K. ; Duarte, Otto Carlos M. B. ; IEEE

• Tipo de documento: Artigo Científico
• Fonte: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2022); v. N/A, p. 6-pg., 2022-01-01.

Resumo

Service provisioning in next-generation networks, such as 5G and 6G, relies on virtualization to carry out multi-domain and multi-tenant connections. In these scenarios, virtual network functions (VNF) orchestration becomes susceptible to security threats once trust between peers cannot be assumed. This paper(1) proposes a blockchain-based system for an agile, secure, and distributed provisioning of virtual network functions in scenarios with multiple administrative domains. Our proposal employs smart contracts to deliver all stages of a service-level-agreement management life cycle automatically. We develop, implement, and evaluate a prototype of the proposed system using smart contracts running on Hyperledger Fabric. The performance evaluation results show that the system guarantees high-rate VNF provisioning, reaching hundreds of slice requests per second in a trustful way. (AU)

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