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Network Functions Virtualization (NFV) system consists of three key Infrastructure elements. These elements are:
• NFVI (Network Functions Virtualization Infrastructure)
• VNFs (Virtual Network Functions)
• MANO (Management and Orchestration)
Let’s talk about each of these NFV Infrastructure Elements one by one.
Table of Contents
NFVI (Network Functions Virtualization Infrastructure) consists of hardware and software elements of the network. NFVI has three sub parts, these parts are:
• Hardware Resources
• Virtualization Layer
• Virtual Resources
To start with Hardware Resources, they consist of hardwares of network devices,servers, storage etc. These hardare resources are shared and used by VNFs (Virtual Network Functions).
Thirdly , Virtual Resources like Virtual Network, Virtual Storages and Virtual Servers are above this part.
Virtualization Layer decouples the hardware resources of the NFVI. It compute, storage and network resources are emulated. It is responsible abstracting the physical resources. And by doing this,
VNF uses this resources as independent.
VNFs (Virtual Network Functions) part consist of two key elements. These are :
• VNF (Virtual Network Function)
• EMS (Element Management System)
Gokhan Kosem is a Network Engineer, Instructor and the Founder of IPCisco.com with 15+ years of experience in Cisco, Nokia, Huawei, Juniper, Linux, Service Provider Networks, Routing and Switching technologies.
He has worked on the backbone networks of major service providers and network vendors including Nortel, Alcatel-Lucent (Nokia) and has extensive hands-on experience with Cisco, Huawei, Juniper and Nokia networking technologies.
He has trained thousands of networking students worldwide through IPCisco.com, Udemy, books, labs, quizzes, and educational content across multiple social media platforms.
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