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A Comprehensive Guide For On-premise vs Cloud Computing Tutorial

Last updated on May 22,2019 2K Views
Priyaj Kumar is an AWS aspirant working as a Research Analyst at... Priyaj Kumar is an AWS aspirant working as a Research Analyst at Edureka. He is working on different AWS services and has good knowledge...

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There has always been a never-ending debate over On-Premise vs Cloud Computing, and which among the two is better. In this article, I will explain everything you should know about this topic.

If you are interested in learning more about Cloud Computing, take a look at the live courses by Edureka.

In the current era of expanding IT enterprise, one must consider whether an On-Premise architecture or Cloud Computing will serve the purpose better. In this On-Premise vs Cloud Computing article, I will be discussing the following topics:-

Before building your architecture, it is essential to decide if you want to manage your infrastructure locally (by yourself) or let a third party manage it for you. These factors regarding your environment must be taken care of for smooth operations. Now as you know why we are here, and what are we going to learn, let’s dig deep into this On-Premise vs Cloud Computing article.

What Is On-Premise?

wallet and bank - On Premise vs Cloud Computing - EdurekaLet’s talk about a topic that interests a majority of people: money. In general, you have your money in your wallet and in your bank account. Here, the wallet is your On-Premise environment. On-Premise means that a company keeps all its data, servers and everything in its IT environment in-house. The company is responsible for running, supporting and maintaining the data all the time. This is the traditional way of hosting your architecture.

Since an on-premise environment refers to keeping the entire infrastructure in-house, it is also called “shrink-wrap”. An alternative to this is Cloud Computing (money kept in your Bank Account). Let’s go further, and understand about Cloud Computing in detail.

What Is Cloud Computing?

Before talking about “What is Cloud Computing”, let’s just take a quick overview of “What is Cloud” and its types.

Cloud computing is the practice of storing and accessing your data from remote servers(data-centers). Cloud computing is of various types, and to understand it completely, you should first know the different categories of Cloud:-

  1. Public Cloud: Public Cloud - On premise vs Cloud Computing - EdurekaThis is the most common type of Cloud. Here, the servers(data centers) are shared between multiple clients. Eg: Amazon, Google, Microsoft, many more can possible share the servers between them.
  2. Private Cloud: Private Cloud - On premise vs Cloud Computing - EdurekaA private cloud is operated by a single user(client), a closed group of users or a single organization. The services and security protocols are also updated frequently. Eg: Intranet, VMware.
  3. Hybrid Cloud: Hybrid as the name means, is a mixture of both Public and Private Cloud. Private Cloud - On premise vs Cloud Computing - EdurekaYou can also think of it this way, having a public cloud for storing your data accessible to the public, and private cloud for running your production lines and legacy applications.

Cloud Computing often referred to as “The Cloud” is basically delivery of compute services over the Cloud (Internet). Cloud computing consists of servers, networks, storage, databases, analytics tool, software, and programming platform. The cloud computing service can be divided into three models commonly known as:-

  1. SaaS (Software as a Service): Office 360 - On Premise vs Cloud Computing - EdurekaYou don’t need to install the application, you get “On-Demand Software”. Everything will be taken care by the Cloud Service provider. E.g. YouTube, Office 360.
  2. PaaS (Platform as a Service): AWS Elastic beanstalk - On Premise vs Cloud Computing - EdurekaHere you get a platform to perform your compute requests such as Operating System, Programming environment, and Database. E.g. AWS Elastic Beanstalk.
  3. IaaS (Infrastructure as a Service): Amazon VPC - On Premise vs Cloud Computing - EdurekaYou get the benefit of owning the infrastructure, physical or virtual machines for storage, creating a virtual network, and firewall. E.g. Amazon VPC.

If you have any doubts regarding the types of Cloud models, post your questions here:- What is Iaas, PaaS, and SaaS?“. You can read more about Cloud Computing in this blog: What is Cloud Computing?.

Now that you know about On-Premise and Cloud Computing, let’s find out how are they different from each other.

On Premise vs Cloud Computing | Cloud Certification Training | Edureka

On-Premise vs Cloud Computing Differences

FACTORSON-PREMISECLOUD COMPUTING
DEPLOYMENTEvery resource deployed is within the infrastructure. The enterprise will be responsible for maintaining and handling the related process. The access is limited to the Organization only.In Public Cloud, resources are deployed at the service providers end and accessed by the public. In Private Cloud, resources are deployed according to the customer’s need and can be accessed by them only.
COSTThe cost incurred is for the servers, hardware, storage devices, software, power consumption and also space where your architecture is built.In Cloud Computing you only need to pay for the resources you use. There are no maintenance charge, no upfront charge, and no upkeep costs associated.
SECURITYOrganizations who have sensitive data E.g. Banks must use a certain level of security. The security is taken care by either a third party or by a group of staff using an external tool.The secure environment is provided by the Cloud Service providers. There is a broad set of policies and technologies provided by the CSPs. These take care of the security of your data.
MAINTENANCEThe user is responsible for maintaining the server hardware and software, the data backups, storage devices, and disaster recovery. Cloud Computing provides greater flexibility as the user/organization only pay for what they use and can easily scale to meet the demand. 
FLEXIBILITYWhen you buy/ make changes to your infrastructure, the cost incurred will be by the organization. You can quickly upgrade your infrastructure to your needs without having to make large investments in costly hardware every time. 

Difference Between On-Premise and Cloud Computing

If you wish to learn more about Cloud Computing and build a career in Cloud Computing, then check out our Cloud Computing Courses which comes with instructor-led live training and real-life project experience. This training will help you understand Cloud Computing in depth and help you achieve mastery over the subject.

Got a question for us? Please mention it in the comments section and we will get back to you or post your question at Edureka | Community. At Edureka Community we have more than 1,00,000+ tech-fanatics ready to help.

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