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ITIL 4 Acquiring Managing Cloud Services Certification Course: Introduction - Cloud Deployment Models

All models have benefits

Choice depends on content

Public cloud as most benefits

Cloud services refer to public cloud

Types of CSP:

  • Specialists in one service
  • Combined service providers
  • Standard services to many customers
  • Customized services to individual consumers
Service provider perspective: deployment model Service consumer perspective: resource-sharing model Characteristics
Private cloud Fully dedicated resources

Customized requirements

Specifically built

High cost

Infrastructure owned by consumer or provider
Public cloud Shared infrastructure

Standardized components

Private services

Product or service centric

Consumers decide service use

Lower cost

Infrastructure owned by provider
Hybrid cloud Mixed (public and private)

Bespoke and standard services

Co-ordinate dependencies and contracts

Hard to achieve economies of scale

Complex configuration
Multi-cloud Multiple providers in one architecture

Public and private services

Best service for task

Flexible but expensive

Requires purchasing frameworks

Go back to ITIL 4 Acquiring Managing Cloud Services Certification Course: Introduction to finish this chapter or to the main page ITIL 4 Acquiring Managing Cloud Services Certification Course.

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