Cloud Service Models

A cloud service is any resource that is provided over the Internet to customers.Different models cater to different kinds of requirements, and can achieve different business objectives. A simple search and you may find internet hits with number of cloud services over the internet which is help customer to accomplish their need very efficiently.

There are three basic kinds of cloud service models.They are,

  1. Software as a Service

  2. Infrastructure as a Service

  3. Platform as a Service 

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Software as a Service(SAAS) :

The SaaS is a pattern of acquiring the software deployment through the Internet. It provides the company with the Software on Demand from the front-end office applications.The Service Provider has very high administrative control on the application and is responsible for update, deployment, maintenance and security.

Examples of SAAS : Salesforce, Basecamp, QuickBook,etc.


Infrastructure as a Service(IAAS) :

Infrastructure as a Service (IaaS) is a form of cloud computing that provides virtualized computing resources over the Internet. In an IaaS model, a third-party provider hosts hardware,

software, servers, storage, the bandwidth for construction of traditional computer room, the company can acquire the IT resources more efficiently by paying per use and other infrastructure components on behalf of its users. IaaS providers also host users' applications and handle tasks including system maintenance, backup and resiliency planning.

Users don’t have to construct the hardware hosts and the operating systems by themselves. Through the rented Internet, PaaS service providers provide the Virtual Hosting Platform, which saves software & hardware maintenance and labor & time management.

Examples of IAAS : Amazon, Microsoft, VMWare, Rackspace and Red Hat.”

Platform as a Service(PAAS) :

PaaS is a platform where software can be developed, tested and deployed, meaning the entire life cycle of a software can be operated on a PaaS.

Users don’t have to construct the hardware hosts and the operating systems by themselves. Through the rented Internet, PaaS service providers provide the Virtual Hosting Platform, which saves software & hardware maintenance and labor & time management. Through the PaaS, software providers can focus on the software development and accelerate function deployment online.

This service model is dedicated to application developers, testers, deployers and administrators. This service provides everything you need to develop a cloud SaaS application.

Examples of PAAS : Force.com, Amazon web service, Google App Engine, etc.

There are multiple cloud services available in this current internet age. Those will come under this these three primary category.

Example : Database as a service is more common now a days. It will come under Software as a service.

 

If you have a any suggestions please let me know in comments.

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