Cloud Computing

Cloud Computing

Cloud computing is a computing infrastructure where a large pool of system are connected to internet for application, data and storage services.

Pay as per use model

Prerequisite:  Operating system, online storage

Public Cloud

Public clouds are owned and managed by third parties. It provides attractive low-cost, “Pay-as-you-go” model. All customers share the same infrastructure with limited configuration, security protections, and availability. These are managed and supported by the cloud provider. Public clouds are larger than an enterprise cloud.

Private Cloud

Private clouds are built for a single organization / enterprise. They offer greater control and data security. There are two further variations.
On-premise Cloud:
Externally hosted Cloud:

Hybrid Cloud

It is combined public and private cloud model.

Community Cloud

A community cloud is shared computing infrastructure between two or more organizations that have some similar / Combined tasks

Cloud Services

Software as a Service (SaaS): A complete application is offered to the customer, as a service on demand. A single instance of the service runs on the cloud & multiple end users are serviced. Today SaaS is offered by companies such as Google, Microsoft & etc

Platform as a Service (PaaS): A PaaS provider gives subscribers access to the components that they require to develop and operate applications over the internet. The customer has the freedom to build his own applications, which run on the provider‟s infrastructure. Google‟s App Engine is popular PaaS examples.

Infrastructure as a Service (IaaS): IaaS provides basic storage and computing capabilities as standardized services over the network. Servers, storage systems, networking equipment, data centre space etc

Cloud Benefits and Cloud Challenges

Computing Performance
Business Continuity and Disaster Recovery

What is Cloud?
What is Cloud Computing?
What is public Cloud?
What is private cloud?
What is hybrid Cloud?
What is community cloud?
Cloud computing benefits?
cloud computing challenges?

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