Introduction:
The need for technologies that save effort and cost has led to a significant innovation in the field of Information Technology (IT). In the ever-evolving digital age, one of key IT application has stood as an essential tool for both individuals and business. Cloud computing is an innovation technology allows the access to vast computing resources over the internet, eliminating the need for expensive on-premises hardware and software. In this article we explore the concept of cloud computing, highlight its benefits, different models, and provide examples of its diverse applications across various sectors.
What is Cloud Computing?
Cloud computing is a tool of delivering technological services over the internet (“the cloud”). Through various models of service, this tool provides fast and safe access to databases, networks, software, and servers. Instead of purchasing and operating your own equipment, that requires maintenance and gets effected by external factors, you can rent it from a cloud service provider like Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform.
Benefits of Cloud Computing:
Cloud computing offers numerous advantages that make it an attractive option for individuals and businesses. First, it plays a pivotal role in lowing costs by reducing the need to purchase and maintain expensive hardware and software. Also, it only charges users for resources they consume. Second, cloud computing provides a wide range of services that can be customized to fit users’ specific needs. Next, Cloud service providers are reliable; this means that users’ systems will be available to access consistently. Finally, it provides safeguard users’ data and applications providing high level of security.
Types of cloud computing
According to Amazon Web Services (AWS) official website, there are three main types of cloud computing include Infrastructure as a Service, Platform as a Service, and Software as a Service. The main differences among these three types depend on the level of technical support features they provide.
What are these types:
- Infrastructure as a Service (IaaS): IaaS provides the fundamental building blocks of cloud infrastructure, such as servers, storage, and networking. So, Users can access their IT resources through a self-service portal or APIs, gaining the flexibility to manage and control these resources. Additionally, users are only charged based on the resources they consume. Examples of IaaS Providers: Amazon Web Services (AWS) Elastic Compute Cloud (EC2) and Microsoft Azure Virtual Machines.
- Platform as a Service (PaaS): PaaS provides a platform for developing, deploying, and managing applications without the need to manage the underlying infrastructure. Developers can focus on building applications, while PaaS handle the complexities of servers, storage, networking, and operating systems. Examples of PaaS Providers: Heroku, Google App Engine and Red Hat OpenShift.
- Software as a Service (SaaS): SaaS delivers software applications over the internet, eliminating the need for installation and configuration. Featuring a web-based access, SaaS provide accessible applications through a web browser or a mobile app for. Furthermore, SaaS provide Automatic Updates. This means that users don’t have to worry about software latest updates or maintenance, because SaaS will handle it for them. Examples of SaaS Providers: Salesforce and slack

Deployment Models of Cloud Computing:
Cloud computing comes in three main deployment models, designed to meet individual customers need as well as companies. These main models are:
- Public Cloud: service providers offer data centers that provide public cloud services to a vast range of customers. public cloud services attributes provide high flexibility, affordability, and easy scalability for users. Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform.
- Private Cloud: is dedicated to a single user or a small group of users. Despite the high cost, private cloud services provide highest level of control and security. Examples: VMware.
- Hybrid Cloud: Combination of public and private cloud so users can create a custom cloud environment that meets their specific needs. Examples: AWS.
Applications of Cloud Computing:
Vast array of sectors utilizes Cloud computing features. One of most important applications is Backup and Disaster Recovery. Cloud computing conserves data by enabling backups and disaster recovery in case of unexpected or sudden events. Another application is in businesses. It is utilized to run applications such as Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), and email. One more application of is facilitating the management and connectivity of Internet of Things (IoT) devices.
Read Internet of things: the interconnected world
Conclusion
As the digital age evolves, it is important to consider utilizing high-to-end services and technologies. Harnessing essential features, Cloud computing save cost and effort to deliver the best customized services. However, as businesses and individuals become increasingly reliant on cloud-based services, it is imperative that we continue to invest in research and development to ensure that cloud computing remains a secure, reliable, and scalable technology.
INTERNATIONAL ENGINEERING ORGANIZATION (IEO)