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CNFs, VNFs and Microservices – Definitions and Roadmap

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Report Summary:

‘Cloud Native Network Functions (CNF) - within 5G Core Service Based Architecture (SBA)’ - presented at Layer123 World Congress in London, UK on December 6th. 2022

Table of Contents

I. Cloud Native Network Functions (CNF) - Within 5G Core Service Based Architecture (SBA)

5G Standalone (SA) Brings Service Based Architecture (SBA)

  • Benefits of 5G Service Based Architecture
  • Shift from Reference Point Architecture – Nodes and VM Silos to Software Functional Decomposition of VNFs

II. VNFs and CNFs


  • VNFs
  • VNFs and CNFs = Containers and Microservices
  • CNFs operate as Microservices
  • Microservices Demand Service Mesh
  • Microservice Interactions generate massive numbers of Control Plane transactions
  • CNFs in Telco Cloud Operations
  • Verizon Cloud Platform integrates VNFs and CNFs
  • OpenShift now Supports Scalable, Distributed, Real Time VNFs and Microservices

III. CSP Roadmap to Leverage CNFs, work with Hyperscaler Cloud Providers (HCPs) and Interoperate with Cloud Native Apps

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