Cloud Computing Stack

Cloud Computing Stack

Cloud computing is one of the fastest ways firms and IT organizations use in delivering technology products, service, and solution on a global scale.

A lot of techs and vendors use the term cloud computing loosely.

So I thought I’ll explain it in simple terms to get a clear understanding.

So what is Cloud Computing?

Cloud computing is the storing, managing and processing of resources, software, applications and data over a network via the Internet.

The Cloud infrastructure is synonymous in all of the three main cloud computing models infrastructure below:

Infrastructure as a service (IaaS), Platform as a service (PaaS) and Software as a service (SaaS).

Explained below:

• SaaS applications are designed for end-users, delivered over the web
• PaaS is the set of tools and services designed to make coding and deploying those applications quick and efficient
• IaaS is the hardware and software that powers it all – servers, storage, networks, operating systems

cloud_models

National Institute of Standards and Technology offers several characteristics

• On-demand self-service. The ability for an end user to sign up and receive services without the long delays that have characterized traditional IT
• Broad network access. Ability to access the service via standard platforms (desktop, laptop, mobile etc)
• Resource pooling. Resources are pooled across multiple customers
• Rapid elasticity. Capability can scale to cope with demand peaks
• Measured Service. Billing is metered and delivered as a utility service

comparison-between-cloud-models1

 

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