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Learn how cloud computing works

cloud computing

In order to provide faster innovation, adaptable resources, and economies of scale, cloud computing delivers computing services over the Internet (referred to as “the cloud”), such as servers, storage, databases, networking, software, analytics, and intelligence. Cloud computing enables organizations to better align IT resources with business initiatives and goals. The pay-as-you-go or subscription-based pricing of cloud services makes them more cost-effective and adaptable than traditional on-premises IT solutions.

The history of cloud computing While the term “cloud computing” has only been around for a short time, the idea behind it dates back much further. Scientists working on the SAGE air defense system in the 1950s utilized an early form of cloud computing to share data and resources, which gave rise to the concept of using remote servers to store and process data. Cloud-based email and file storage services were first offered to customers by CompuServe and AOL in the 1980s and 1990s.

The term “cloud computing” wasn’t widely used until the early 2000s. The EC2 service, which allowed businesses to rent virtual servers in Amazon’s data centers, was launched in 2006. It proved that the cloud could be used for more than just web-based services, marking a significant turning point for the cloud computing industry.

How does cloud computing work? Cloud computing, which is based on the internet, lets computers and other devices access shared computing resources and data whenever they need them. It is a design that makes it possible for anyone, from any location, to quickly and easily access adjustable computer resources (such as networks, servers, storage, applications, and services) via the network at any time. These resources can be provided and released quickly with minimal administration work or provider contact. Cloud computing, like a public utility, relies on the sharing of resources to achieve economies of scale and coherence.

Self-service on-demand characteristics: A customer can provide the necessary computer resources, such as server time and network storage, automatically and independently, without having to contact each service provider individually.

Access to a plethora of networks: In order to encourage use by various thin- or thick-client platforms (such as mobile phones, laptops, and personal digital assistants), capabilities are accessed via the network and standard procedures.

Pooling of resources: The provider’s computer resources are combined to serve multiple customers through a multi-tenant strategy. Numerous physical and virtual resources are constantly assigned and reassigned in response to customer demand.

Scalability: One of the most important benefits of cloud computing is this. Businesses can quickly scale up or down without making any initial investments with on-demand resources.
Flexibility: Payment methods are extremely adaptable in cloud computing. Businesses only pay for the resources they use when they use them with a pay-as-you-go model. Companies can avoid overpaying for assistance they do not require, which can help them save money.

Cost-effectiveness: By only paying for the resources you use, you can save a significant amount of money compared to traditional IT infrastructure. Additionally, many cloud service providers provide discounts for contracts with longer terms, making them even more cost-effective.

Services of Cloud Computing There are many different sizes and shapes of cloud computing services. Some of the most well-liked types of services are as follows:

1. Infrastructure as a Service (IaaS) is a cloud computing model in which a third-party provider provides computer infrastructure—typically a platform virtualization environment—as a service. IaaS is also known as Infrastructure as a Service (IaaS). Along with Software as a Service (SaaS) and Platform as a Service (PaaS), IaaS is one of the three main types of cloud services.

Customers can use, manage, and scale infrastructure resources like storage, networking, and computing power through a pay-as-you-go model provided by IaaS providers. Customers only pay for the resources they use and can access these resources whenever they want.

Businesses that want the flexibility and scalability of the cloud without having to manage and maintain their infrastructure often opt for IaaS. IaaS providers typically provide a wide range of services that can be tailored to each customer’s requirements.

2. Platform as a Service (PaaS) is a type of cloud computing service that provides a platform for application development, operation, and management. New applications can be developed or run on the Platform. Applications are typically built and tested using PaaS services by developers prior to their deployment to a production environment.

Most PaaS solutions are offered as a cloud service, which means that users can access them from any location via the Internet. The Infrastructure and Platform are typically managed by PaaS providers on behalf of their clients, allowing developers to concentrate on application development and management.

From application management and monitoring to development frameworks and tools, PaaS solutions can offer a wide range of features and services. Additionally, some PaaS solutions provide features for application scaling and cloud service integration.

From straightforward websites to complex data-driven applications, PaaS services can be utilized for application development and deployment.

3. Software as a Service (SaaS) is a type of cloud computing that delivers software over the Internet. SaaS stands for software as a service. Businesses can access cloud-based software through SaaS without installing and running it on their own computers.

A web browser is typically used to access SaaS applications, but the software and data are kept on the servers of the cloud provider. Businesses can pay only for the software they use through a subscription-based model known as SaaS on a monthly or annual basis.

Because they are made for a wide range of users and don’t require a lot of training, SaaS applications are typically easier to use than traditional on-premises software. Because businesses only pay for what they use, they are also more cost-effective.

CRM, project management, invoicing, and accounting are just a few of the many uses for SaaS applications.

4. Storage as a Service (STaaS) is a cloud storage model that gives users access to their data and files over the Internet. Storage as a Service (SaaS) Users can easily find a storage solution that meets their requirements thanks to SaaS providers’ wide range of storage plans and pricing options. Users are accountable for their data and files, whereas storage as a service providers typically manage and maintain the storage infrastructure. Access control, data encryption, and versioning are just a few of the features and tools that STaaS providers typically provide to assist users in managing their files and data.

5. Backup as a Service (BaaS) Backup as a Service (BaaS) is a cloud-based backup solution that protects data and ensures business continuity for organizations. It is ideal for businesses of all sizes because it has a pay-as-you-go model that is adaptable and scalable.

There are a number of advantages to BaaS, including:

Reduced expenses: Because it eliminates the need for costly on-premise backup infrastructure, BaaS is a cost-effective option.
heightened agility: Because they can quickly increase or decrease their backup storage capacity as needed, businesses that use BaaS are able to be more adaptable.
enhanced safety: Because data is stored off-site in a safe cloud environment, BaaS offers enhanced security.
Improved dependability: Leading cloud providers like Microsoft Azure and Amazon Web Services offer a dependable solution known as BaaS.

Cloud Computing

Models There are three distinct types of cloud computing models: private, public, and hybrid. Before putting any of them into action, it is important to take into account the benefits and drawbacks of each.

Pay-as-you-go IT resources and applications are delivered over the Internet on demand through public cloud computing. Third-party providers offer public cloud services that are delivered via the Internet.

Public cloud computing can help businesses of all sizes cut costs associated with IT infrastructure and upkeep. Public cloud computing can also assist businesses in increasing their adaptability and scalability.

Google Cloud Platform, Microsoft Azure, and Amazon Web Services are just a few of the public cloud providers. The service provider that best suits a company’s requirements can be chosen.

Public cloud computing has a few drawbacks that need to be mentioned.

Private clouds typically offer greater security than public clouds. This is due to the fact that public clouds are shared by many users, making it challenging to manage access and prevent data breaches.
Because they are subject to the whims of the Internet, public clouds may not be as reliable as private clouds. Your public cloud will also be affected if the Internet goes down.

Private Cloud A private cloud is a type of cloud computing that uses a proprietary architecture and offers self-service and scalability similar to the public cloud. Private clouds can be set up either on or off-premises, or as a combination of the two.


Increased security and control: Private clouds offer more control and security than public clouds because they are hosted on a company’s premises. Private clouds can be tailored to a business’s particular requirements and integrated with the security infrastructure of that business.

Increased adaptability and scalability: To accommodate shifting requirements, private clouds can be easily scaled up or down. Because they can be tailored to a specific company’s requirements, they may also be more adaptable than public clouds.

Reduce costs: Since private clouds do not require the same infrastructure investment as public clouds, they may be more cost-effective.

Prior to making the switch, businesses should be aware of a few of the drawbacks of private cloud computing. The price is one of the most significant drawbacks. Setting up and maintaining private clouds can be costly, especially if you need to hire experts to manage them. Another drawback is that private clouds can be hard to set up and use, and it can be hard to find the right combination of features and services to meet your specific needs. Lastly, private clouds may not be as adaptable as public clouds, and in order to get the most out of your private cloud, you may need to give up some features and services.

In computing, a hybrid cloud is made up of two or more clouds—private, public, or community—that are still distinct from one another but are linked together to offer the benefits of various deployment types. It is impossible to confine a hybrid cloud service to a single cloud vendor due to the service’s ability to transcend provider and isolation barriers.

The ability to connect disparate cloud services together to function as a single entity, typically through network-based integration, is a key feature of a hybrid cloud. A private network connection or virtual private network (VPN) is the most common method for integrating the two systems.

Combining the best of both worlds is the main advantage of a hybrid cloud: the cost-effectiveness, scalability, and security of the public cloud with the control and security of the private cloud. Without jeopardizing the safety and compliance of your most sensitive data, this may enable your business to respond quickly to changes in the market.

Disadvantages Before implementing hybrid cloud computing for your business, there are a few drawbacks to be aware of. The increased complexity of managing both on-premise and cloud-based resources is one drawback. Troubleshooting issues and keeping track of changes to your environment may become more challenging as a result of this.

Cost is another potential drawback. Although the public cloud’s economies of scale can help you save money with the hybrid cloud, you might still have to pay extra for managing and integrating on-premise and cloud-based resources.

Lastly, a hybrid cloud may pose a security risk. How you will access your on-premise and cloud-based resources and secure your data must be carefully considered.

A hybrid cloud can be a very effective option for many businesses despite these potential drawbacks. Before deciding whether the hybrid cloud is the best option for your company, carefully weigh the benefits and drawbacks.

Popular Cloud Computing Platforms There are numerous well-known cloud computing platforms, but Microsoft Azure, Google Cloud Platform (GCP), and Amazon Web Services (AWS) are among the most well-known. Services that can be used to build, deploy, and scale applications are available on each of these platforms. Additionally, they offer a variety of pricing options, allowing you to select the option that best suits your requirements.

1. Amazon Web Services (AWS) AWS provides a wide range of services that can speed up business processes, cut down on IT expenses, and scale. The following are some of AWS’s most well-liked offerings:

The Elastic Compute Cloud (EC2) of Amazon A web-based service called EC2 lets businesses rent virtual machines (VMs) for running applications and storing data.
S3: The Amazon Simple Storage Service Businesses can use the object storage service S3 to store and retrieve any amount of data anywhere on the internet.
Relational Database Service (RDS) from Amazon: RDS is a cloud-based managed relational database service that makes setting up, managing, and scaling a relational database simple.
CloudFront by Amazon: The content delivery network (CDN) CloudFront accelerates the global delivery of static and dynamic web content.

2. Google Cloud Platform (GCP) provides a wide range of services to support businesses’ success. From computing and storage to big data and machine learning, there are many options. But which kinds of services are best for your company?

A quick overview of some of the Google Cloud Platform’s most popular services is as follows:

Engine of Computing: a cloud computing platform that can handle any workload and is robust and scalable.
Storage: a block and object storage option that is both dependable and cost-effective for storing your data.
BigQuery: a platform for big data analytics that is quick, effective, and affordable.
Azure SQL: a relational database service for your data that is completely managed.
Cloud Breaker: a global database service for workloads that are crucial to the mission.
Learning by machine: a collection of high-quality services for machine learning that can help you train models and make predictions.
The Google Cloud Platform provides a wide range of services, and these are just a few of them.

3. Microsoft Azure Microsoft Azure provides a variety of services for application development, deployment, and management. Services like these include:

Compute in Azure: Virtual machines and containers can be created, deployed, and managed by this service.
Storage in Azure: In addition to blob, queue, and table storage, this service lets you create and manage storage accounts.
The Azure Network: Virtual networks, load balancers, and DNS can all be created and managed by this service.
Azure Protection: Access control lists and security groups can be created and managed by this service.
Monitor for Azure: Diagnostic data can be gathered and analyzed by this service.
Active Directory in Azure: Azure Active Directory accounts can be created and managed by this service.

Applications of Cloud Computing Because cloud computing can be used for so many different things, it has become so popular in recent years. The following are some of the most prevalent uses of cloud computing:

1. Storage Cloud storage is a great option for off-site data storage that can be accessed from any location. Businesses that want to keep backups of their data in case of disaster or individuals who want to securely store photos and videos online might find this useful.

2. Computing Cloud computing can be used to power anything from simple applications to websites. Utilizing cloud resources can help businesses save money on expensive software and hardware licenses. Collaboration Cloud-based applications make it simple for members of a team to work on projects together from any location. For companies with remote workers, this can save a lot of time and money.

4. The e-commerce sector is being transformed by cloud computing. Businesses can operate more effectively and expand more quickly if they are able to connect to the internet and store data in the cloud.

Cloud computing can be utilized in e-commerce in numerous ways. Utilizing a cloud-based platform to build and host an online store is one of the most well-liked options. Businesses that want to set up an online store quickly and without spending a lot of money up front may find this to be a great option.

Cloud-based applications are another way that eCommerce can benefit from cloud computing. An online store’s inventory management, order processing, and customer service can all be streamlined by using these.

Finally, customer data can be stored and managed using cloud computing. Businesses that want to better understand their customers and provide them with individualized service may find this to be a useful tool.

5. Education is being transformed by cloud computing. It opens up new avenues for instruction, learning, and research. It gives people access to a lot of services and resources. Additionally, it facilitates novel connections and collaborations between educators and students.

Although the application of cloud computing in education is still in its infancy, its potential is already clear. Cloud computing is currently being utilized in education in the following ways:

Online education: The development of online education is significantly aided by cloud computing. The accessibility of online programs and courses has never been greater. Additionally, cloud-based learning management systems (LMS) are making online course creation and delivery simpler for educators.
Collaboration in education: Collaboration among students on projects and assignments is made simpler thanks to cloud computing. Students can collaborate on documents, presentations, and other files in real time using cloud-based tools.

6. Antivirus Antivirus is one of the most exciting applications of cloud computing. In the past, antivirus software was installed on individual computers, and in order to keep them safe, each computer would need to be updated with the most recent virus definitions.

The virus definitions are stored in the cloud with cloud-based antivirus, and any computer with an internet connection can access them. This means that you won’t have to worry about updating each computer separately to keep them safe.

Because the cloud-based system is able to quickly identify new threats and analyze a greater number of samples, cloud-based antivirus is also more effective at detecting and removing viruses.

7. A location-based service known as GPS (Global Positioning System) tracking uses satellite navigation to locate people and assets. Businesses frequently use it to locate vehicles, fleets, and other equipment. Personal tracking applications, such as monitoring children or elderly family members, can also be carried out with GPS tracking.

A potent combination of cloud computing and GPS tracking can provide numerous advantages. Real-time tracking data can be accessed from any internet-connected device by cloud-based GPS tracking systems. Businesses can now monitor their people and assets in real time, regardless of where they are.

Additionally, cloud-based GPS tracking systems may provide features that traditional GPS tracking systems do not. Businesses can, for instance, use some cloud-based systems to create virtual fences around their assets. The business is alerted right away in the event that an asset breaches the virtual barrier. Businesses can use this useful security feature to safeguard their investments.

As the world becomes increasingly digital, demand for cloud computing services will only increase. Some predictions for the future of cloud computing are as follows:

The cloud will spread more widely: Businesses and individuals alike will increasingly rely on cloud-based services to complete their work.
The cloud’s intelligence will increase: The cloud will become more adept at satisfying user requirements with the assistance of artificial intelligence.
The security of the cloud will improve: Cloud service providers will increase their investments in security technologies and features as security concerns continue to rise.
The cost of the cloud will go down: Providers will compete on price as demand for cloud services grows, making cloud-based services more affordable for everyone.
The cloud will have more adaptability: The cloud will become even more adaptable and scalable as serverless computing and containerization advance.
Cloud computing is expected to have a huge future market. Grand View Research’s report states that the global market for cloud computing will reach $623.3 billion by 2025. Small and medium-sized businesses are increasingly using cloud services, there is a growing demand for cost-effective and scalable computing solutions, and cloud-based applications are becoming increasingly popular.