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CV0-002 · Question #543

A communications service operator is planning to start migrating its complex network infrastructure to cloud by NFV, including a pool of media gateway servers, routers, and firewalls. The network elem

The correct answer is A. The deployment and implementation should be on public cloud space with network elements. Migrating complex network infrastructure via Network Function Virtualization (NFV), especially with redundant hardware components, is best accomplished by deploying these elements into a public cloud environment. A public cloud offers the scalability and resilience required for s

Cloud architecture

Question

A communications service operator is planning to start migrating its complex network infrastructure to cloud by NFV, including a pool of media gateway servers, routers, and firewalls. The network elements consist of two controller cards, two redundant drives, and redundant ASIC boards. Which of the following virtualization requirements outlines the correct deployment plan?

Options

  • AThe deployment and implementation should be on public cloud space with network elements
  • BThe deployment and implementation should be on hosted private cloud space with a VM for each
  • CThe deployment and implementation should be done in a hybrid model with VMs for controller
  • DThe deployment and implementation should be done using SaaS; only configuration of database

How the community answered

(42 responses)
  • A
    83% (35)
  • B
    2% (1)
  • C
    5% (2)
  • D
    10% (4)

Why each option

Migrating complex network infrastructure via Network Function Virtualization (NFV), especially with redundant hardware components, is best accomplished by deploying these elements into a public cloud environment. A public cloud offers the scalability and resilience required for such virtualized network functions.

AThe deployment and implementation should be on public cloud space with network elementsCorrect

The network elements described are typical candidates for Network Function Virtualization (NFV), which replaces dedicated hardware with software. A public cloud provides the scalable, elastic infrastructure required to host these virtual network functions (VNFs) efficiently, offering built-in redundancy and high availability suitable for complex network infrastructure migration.

BThe deployment and implementation should be on hosted private cloud space with a VM for each

While a hosted private cloud offers virtualization, it may not provide the same level of elasticity, cost efficiency, and geographical distribution as a public cloud for a large-scale, complex NFV deployment.

CThe deployment and implementation should be done in a hybrid model with VMs for controller

A hybrid model might be part of a transition, but deploying only controller VMs in a hybrid model does not fully address the virtualization of the entire complex network infrastructure described.

DThe deployment and implementation should be done using SaaS; only configuration of database

SaaS is a model where the application is fully managed by the provider, which is unsuitable for migrating complex network infrastructure where the operator needs control over the network functions themselves, as required by NFV.

Concept tested: NFV deployment strategies in cloud environments

Source: https://learn.microsoft.com/en-us/azure/virtual-network/network-virtual-appliances-overview

Topics

#NFV#network virtualization#public cloud migration#cloud deployment models

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