Types Of Cloud

Categories Of Cloud Computing:-

Cloud computing is the use of a network of remote servers hosted on the Internet to store, manage and process data rather than a local server.

Basics Of Cloud Computing

Cloud Computing service providers give the ability to manage applications and services through a global network.

To be precise, cloud computing is the delivery of computing services like servers, storage and more over the Internet. The companies that offer these computing services are called cloud providers. They charge for cloud computing services based on usage called as UTILITY COMPUTING.

Example: Amazon Web service and Microsoft Azure

Cloud Service Providers

Cloud computing is usually described in two categories. They are,

1. DEPLOYMENT MODEL  (LOCATION BASICS)AND
2. SERVICE MODEL

Based on a cloud location, we can classify cloud as:

• Public,
• Private,
• Hybrid
• Community Cloud

Based on a service that the cloud is offering, we classify as:

• IaaS (Infrastructure-as-a-Service)
• PaaS(Platform-as-a-Service)
• SaaS(Software-as-a-Service)
• or, Storage, Database, Information, Process, Application, Integration, Security, Management, Testing-as-a-service

Classification Of Cloud.

A cloud deployment model represents a specific type of cloud environment, where its job is to make software available and ready for use to the users.

Cloud Types: Private, Public and Hybrid, Community

Depending on the type of data you’re working with, you’ll want to compare public, private, and hybrid clouds in terms of the different levels of security and management required.

• Public Cloud – Whole computing infrastructure is located on the premises of a cloud computing company that offers the cloud service. GlobalDots offers worldwide Public Cloud service in leading data centers
• Private Cloud – Hosting all your computing infrastructure yourself and is not shared. The security and control level is highest while using a private network. GlobalDots offers worldwide private cloud service in leading data centers.
• Hybrid Cloud – using both private and public clouds, depending on their purpose. You host your most important applications on your own servers to keep them more secure and secondary applications elsewhere. GlobalDots offer combines hybrid cloud with bare-metal and virtualized clouds into a unified environment allowing your business to optimize for scale, performance and cost simultaneously.
• Community Cloud – A community cloud is shared between organizations with a common goal or that fit into a specific community (professional community, geographic community, etc.).

Deployment Based cloud classification

Deployment based cloud.

Types of cloud services: IaaS, PaaS, SaaS, FaaS

Cloud computing services fall into 4 categories: infrastructure as a service (IaaS), platform as a service (PaaS), software as a service (SaaS) and FaaS (functions as a service). These are sometimes called the cloud computing stack, because they build on top of one another.

1. Infrastructure-as-a-service (IaaS)
   IaaS is the most basic category of cloud computing services that allows you rent IT infrastructure (servers or VM’s) from a cloud provider on a pay-as-you-go basis.

2. Platform as a service (PaaS)
   Platform-as-a-service (PaaS) refers to the supply an on-demand environment for developing, testing, delivering and managing software applications. It is designed to quickly create web or mobile apps, without worrying about setting up or managing the underlying infrastructure of servers, storage, network and databases needed for development.

3. Software as a service (SaaS)
   Software-as-a-service (SaaS) is a method for delivering software applications over the Internet as per the demand and on a subscription basis. SaaS helps you host and manage the software application and underlying infrastructure and handle any maintenance (software upgrades and security patching).

4. FaaS (functions as a service)
   FaaS adds another layer of abstraction to PaaS, so that developers are completely insulated from everything in the stack below their code. Instead of handling the hassles of virtual servers, containers, and application runtimes, they upload narrowly functional blocks of code, and set them to be triggered by a certain event. FaaS applications consume no IaaS resources until an event occurs, reducing pay-per-use fees.

Service Models Of Cloud.

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