Virtualization and Cloud Computing

• IaaS


  Infrastructure as a Service

  Provides virtualized computing resources, storage, and networking. The user is responsible for configuring and managing the infrastructure.
• PaaS


  Platform as a Service

  Provides a complete development and deployment environment for applications. The user has control over the application and data, but not the infrastructure.
• SaaS


  Software as a Service

  Provides software applications over the internet. The user has a subscription-based access to the software and doesn't manage the infrastructure or platform.
• VDI


  Virtual Desktop Infrastructure

  A type of virtualization where users' desktop environments are hosted and managed in the data center, rather than on individual devices
• Type 1 Hypervisor


  A bare-metal hypervisor that runs directly on the host machine's hardware without requiring an underlying operating system

  Hyper-V

  Proxmox

  KVM (Linux)
• Type 2 Hypervisor


  Virtualization software that runs on top of a host operating system.

  VMware

  VirtualBox

  Parallels (Mac)