Cloud Computing

What is Cloud Computing?

Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (example: networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.

In other words Cloud computing is on-demand access, via the internet, to computing resources, applications, servers (physical servers and virtual servers), data storage, development tools, networking capabilities, and more hosted at a remote data center managed by a cloud services provider.

Cloud Computing is on demand delivery of

compute power
database storage
applications and
other IT services through a cloud services platform via the internet with pay-as-you-go pricing

Cloud Computing provides developers and IT departments with the ability to focus on what matters most and avoid undifferentiated work like:procurement maintenance and capacity planning

Types of Cloud Computing

Three main models, each represent a different part of cloud computing stack:

Infrastructure as a Service(IaaS)
Platform as a Service(PaaS)
Software as a Service(SaaS)

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