Cloud Computing
Cloud computing provides calculative services such as storage, databases, software, networking, software analytics, intelligence, and so on. cloud computing (i.e. cloud). Cloud computing can be described as accessing and storing data. It acts as a service provider for computing on the internet. Accessing data via the internet could include images, videos, audios and files.
It is fascinating to see how the cloud has evolved over time. In the first instance of computing, data was stored on the server-side. It was a disadvantage, however, because if a user wanted to access certain data they had to first connect to the server after obtaining the appropriate server access.
Client-server architecture evolved into distributed computing as a result of more such disadvantages. Distributed computing was a mutual sever for all computer networks. Distributed computing allowed users to share resources as needed. However, this had a drawback. Data could only be used to a limited extent and couldn’t be accessed beyond that limit.
All this happened in 1961 when John MacCarthy, the pioneer of AI (i.e. Artificial Intelligence) gave a speech at MIT stating that computers could be sold as a utility like electricity and water. It was not an agreement, people were happy with what they had. took the brilliant idea and made it a reality in 1999.
They realized the idea and introduced cloud computing to all of the world. That’s how cloud computing was born.
Many service providers began to consider cloud computing. Some of the most well-known service providers include Amazon AWS, Microsoft Azure and Google Cloud. They even offer certifications and training for those who want to learn more about cloud computing.
CompTIA certification is required to become a Cloud Engineer.

Cloud Computing: Classifications
* Infrastructure as a Service: This service allows you to rent IT infrastructures such as servers, virtual machines (VM), storage, networks, and OS (i.e. A cloud service vendor will provide the Operating System. IaaS will allow you to have maximum flexibility but also require some maintenance.
* Platform as a Service, (PaaS),: This service offers an on-demand environment to develop, test, deliver, and manage software applications. PaaS will allow you to be more flexible, but the cloud vendors will manage the environment.
* Software as a Service (SaaS), it provides software services to end-users. It delivers software via the internet to customers who subscribe. E.g. You can also use Dropbox, Amazon kindle, or other services. SaaS can also be used to reduce operational costs to the maximum extent.
Cloud Computing’s Advantages
* Data restoration and backup: It is much easier to retrieve data from the cloud once it is saved. iPhone is the best example, as it can back up videos and images in cloud storage. Even if images are deleted from the gallery we can still retrieve them from the cloud drive.
*Improved Collaboration: Cloud apps improve collaborations by allowing groups to quickly and easily share data via cloud storage.
* Accessibility: We can access the cloud from any location on the planet. A cloud-based internet infrastructure can increase productivity and efficiency of organizations by making data available at all times.
* Low maintenance costs: Cloud computing lowers capital costs for purchasing hardware and software. Cloud computing offers many benefits, including ease of maintenance. Each time there is an update in terms of cost or services, it is easier to use.
* Scalability: Every business needs to be able to manage its requirements. Scalability in the cloud is used to increase or decrease the resource requirements according to business needs.
* Mobility: One of many benefits and connectivity offered by the cloud is mobility. This increases the ability to communicate with people and share information. This is best illustrated by mobile computers/portable computers, where the cloud can be used for all purposes i.e. From security to feature updates. Access cloud data via your mobile device with ease
* IServices in the Pay-per-Use Model: The pay-as-you use or pay per model, which is a cloud computing payment model that charges according to how much one uses resources, is called IServices. APIs are used to make this payment. APIs are Application Programming Interfaces that make it easier to access cloud services.
* Data Security: This is one of the best aspects of the cloud. Cloud vendors offer a wide range of policies and technologies that protect users’ data and provide security.