Cloud Computing - An Overview

#2 | Saturday, August 24, 2019, 12:57:05 | Comments: 0
Cloud computing gives us implies by which we can get to the applications as utilities over the web. It enables us to make, arrange, and modify the business applications on the web.

What is cloud computing

Cloud computing gives us implies by which we can get to the applications as utilities over the web. It enables us to make, arrange, and modify business applications on the web.

It implies on interest conveyance of IT assets through the web with pay-as-you-go evaluating. It gives an answer to IT foundation in ease.

Fundamental Concepts

There are sure administrations and models working behind the scene making the cloud computing practical and available to end clients. Following are the working models for cloud computing:

  1. Deployment Model
  2. Service Model

Deployment Models

Deployment models define the type of access to the cloud, Cloud can have any of the four types of access as

  • Public cloud
  • Private cloud
  • Hybrid cloud
  • Community Cloud

Service Model

Cloud Computing is fully based on Service models. There are three basic service models available as,

  • Infrastructure as a Service
  • Platform as a Service
  • Software as a Service

Characteristics of Cloud Computing

The characteristics of cloud computing are as follows,

  • Agility – Works in a distributed computing environment
  • High Availability and reliability – chances of Infrastructures and minimal
  • High Scalability – “On-demand” Provisioning of resource on the large scale
  • Multi Sharing – multiple users can work more efficiently
  • Low cost - IT company need not set its own infrastructure

Virtualization and Cloud Computing

The fundamental empowering innovation for Cloud Computing is Virtualization. Virtualization is a parceling of a single physical server into various intelligent servers. When the physical server is separated, each coherent server carries on like a physical server and can run a working framework and applications autonomously. Numerous well-known organizations resemble VMWare and Microsoft give virtualization administrations, where as opposed to utilizing your own PC for capacity and calculation, you utilize their virtual server. They are quick, savvy and less tedious.

Virtualization is mainly used for the following purposes,

  1. Network Virtualization
  2. Server Virtualization
  3. Storage Virtualization

Network Virtualization: It is a strategy for joining the accessible assets in a system by part up to the accessible transfer speed into channels, every one of which is free from the others and each channel is autonomous of others and can be doled out to a particular server or gadget progressively.

Storage Virtualization: It is the pooling of physical stockpiling from different system stockpiling gadgets into what gives off an impression of being a solitary stockpiling gadget that is overseen from a focal reassure. Capacity virtualization is ordinarily utilized away region systems (SANs).


Server Virtualization: Server virtualization is the covering of server assets like processors, RAM, working framework and so forth, from server clients. The goal of server virtualization is to expand the asset sharing and lessen the weight and intricacy of calculation from clients.

Advantages of Cloud

  • Low Cost
  • Storage Capacity
  • Low Cost of IT infrastructure
  • Reduce Software cost

Disadvantages of Cloud

  • Internet speed
  • Constant Internet Connection
  • Security


No particular capability is expected to learn cloud computing. Cloud computing field offers many openings for work in an assortment of jobs running from IT frameworks, the board, and client support, improvement in the application, as a business examiner, web engineer and even in the field of network security. So Cloud Computing Certification Training is worth learning.

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