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What is a Cloud native Network Function?

October 25, 2021

Examples of CNFs can include network routers, bridges, firewalls, and Virtual Private Network (VPN) gateway services. Cloud native Network Functions replace Physical Network Functions (PNFs). PNFs are purpose-built hardware devices (with embedded software or systems) which provide essential network services.

CNFs are conceptually similar to Virtual Network Functions (VNFs), a fundamental component of a Network Functions Virtualization Infrastructure (NFVI). Where they differ is implementation: “Virtual” functions imply the presence of resource-intensive virtual machine operations.

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