Cloud Computing Service Models

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Types of Cloud Computing Service Models

Cloud Computing means storing and accessing data or applications over the Internet. Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model is composed of five essential characteristics, three service models, and four deployment models. There are three types of cloud computings Service Models are SaaS, PaaS and IaaS.

Cloud computing is the delivery of on-demand computing services over the internet on a pay-as-you-go basis.

types of cloud computing

Rather than managing files on a local storage device, cloud computing makes it possible to save them over the internet. Depending on the type of service model, there can be following types of cloud computing SaaS, PaaS and IaaS.

types of cloud computing service model

Types of Cloud Computing Service Models

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

SaaS

SaaS stands for Software as a Service, provides a facility to the user to use the software from anywhere with the help of an internet connection.

saas cloud computing service model
  • In SaaS, cloud providers host and manage the software application on a pay-as-you-go pricing model
  • Users: End Customers

A service provider delivers software and applications through the internet. Users subscribe to the software and access it via the web or vendor APIs.

PaaS

PaaS stands for Platform as a Service, this service providing the facility to make, publish, and customize the software in the hosted environment.

paas cloud computing service model
  • PaaS provides cloud platforms and runtime environments to develop, test and manage software
  • Users: Software Developers

A service provider offers access to a cloud-based environment in which users can build and deliver applications. The provider supplies underlying infrastructure.

IaaS

IaaS stands for Infrastructure as a Service, Using this service the user can use IT hardware and software just by paying the basic price of it.

iaas cloud computing service model
  • IaaS is a cloud service that provides services on “pay-for-what-you-use” basis
  • IaaS providers include Amazon Web Services, Microsoft Azure and Google Compute Engine
  • Users: IT Administrators

A vendor provides clients pay-as-you-go access to storage, networking, servers and other computing resources in the cloud.


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Path variable is set for providing path for all Java tools like java, javac, javap, javah, jar, appletviewer which are used in java programming. All these tools are available in bin folders so we set path upto bin folders.

Classpath variable is set for providing a path for predefined Java classes which is used in our application. All classes are available in lib/rt.jar so we set classpath upto lib/rt.jar.

Cloud computing is the on demand availability of computer system resources, especially data storage and computing power, without direct active management by the user.

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