VIRTUAL COMPUTING

VIRUTALIZATION

can use software as a hypervisor to create virtual machines

TYPE 1 HYPERVISOR

-bare metal hypervisor

installed DIRECTLY on the hardware as a thin, low resource using, single purpose operating system

Type 2 hypervisor

app that runs on an PRE-EXISTING operating system

SAAS

A cloud computing model where users access software applications over the internet, eliminating the need for installation, maintenance, or local infrastructure.

Examples: Gmail. Google Workspace

PAAS

A cloud computing model providing a platform for developers to build, test, and deploy applications without worrying about underlying infrastructure. Streamlines the application development process by providing tools, frameworks, and pre-configured environments.

EXAMPLE: Microsoft Azure, AWS

IAAS

A cloud computing model that provides virtualized computing resources such as servers, storage, and networking over the internet.

EXAMPLE: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), IBM Cloud.

Public Cloud

Multi-tenanted environment operated by a 3rd arty service provider in which businesses pay for provisioned services.

Private cloud

a single-tenanted environment over which businesses have complete control regarding architecture and configuration

Hybrid cloud

combination of public and private environment, offering the advantages of both with fewer disadvantages

community cloud

a COLLABORATIVE effort where INFRASTRUCTURE is shared and jointly accessed by several organizations from a specific group.

multi-cloud

outsourcing resources to more than one cloud provider