What is Cloud Computing?
Cloud computing is the on-demand delivery of IT resources over the Internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining physical data centers and servers, you can access technology services, such as computing power, storage, and databases, on an as-needed basis from a cloud provider like Amazon Web Services (AWS).
What is ON-Premise?
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 a company's architecture.
Why should businesses leverage on Cloud Computing?
There has always been a never-ending debate over On-Premise vs Cloud Computing, and which among the two is better. In the current era of expanding IT enterprise, one must consider whether an On-Premise architecture or Cloud Computing will serve the purpose better.
On-Premise vs Cloud Computing
||Every 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.
||The 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.
|| Organizations 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.
||The 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.
||When 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.
Why AWS Cloud Computing?
The cloud gives you easy access to a broad range of technologies so that you can innovate faster and build nearly anything that you can imagine. You can quickly spin up resources as you need them–from infrastructure services, such as compute, storage, and databases, to Internet of Things, machine learning, data lakes and analytics, and much more.
You can deploy technology services in a matter of minutes, and get from idea to implementation several orders of magnitude faster than before. This gives you the freedom to experiment, test new ideas to differentiate customer experiences, and transform your business.
With cloud computing, you don’t have to over-provision resources up front to handle peak levels of business activity in the future. Instead, you provision the amount of resources that you actually need. You can scale these resources up or down to instantly to grow and shrink capacity as your business needs change.
The cloud allows you to trade capital expenses (such as data centers and physical servers) for variable expenses, and only pay for IT as you consume it. Plus, the variable expenses are much lower than what you would pay to do it yourself because of the economies of scale.
Deploy globally in minutes
With the cloud, you can expand to new geographic regions and deploy globally in minutes. For example, AWS has infrastructure all over the world, so you can deploy your application in multiple physical locations with just a few clicks. Putting applications in closer proximity to end users reduces latency and improves their experience.
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