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Cloud Computing: Definition, Types, Functions, and Examples

Last updated: Jun 20, 2024

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What Is Cloud Computing?

Cloud computing is a method of delivering services and resources over the Internet, such as

servers, applications, software, databases, or networks. It allows companies or individuals to store data in a virtual space accessible anytime and anywhere with an internet connection.

This method offers an alternative to traditional data storage on laptops or cell phones. There are two main types of cloud computing: public and private.

Public cloud computing offers services accessible to anyone on the internet, while private cloud computing restricts access to certain users, often used by companies for data protection.

There's also hybrid cloud computing, which combines public and private clouds. It provides the security of a private cloud but maintains the accessibility of a public cloud.

Benefits of Cloud Computing

The benefit of cloud computing is that you can access storage, computing services, and others without having to manage or purchase physical server data. You can rent cloud services from several providers on the internet.

In addition, using this computing is considered more cost-effective, efficient, and secure. Some users also think that cloud computing is a storage option that can increase productivity and work speed. No wonder it is so popular among many users.

Types of Cloud Computing

After knowing what is cloud computing, let's learn about the types of cloud computing. The types are as follows.

1. Software-as-a-Service (SaaS)

SaaS is a type of cloud computing that manages the hardware, infrastructure, applications and sites of a system.

The next function of cloud computing is to update and maintain the security of the device. So, users only need to subscribe and utilize existing services.

2. Platform-as-a-Service (PaaS)

This type of cloud computing computing provides databases, servers, and other elements to build an application.

Users can directly access the platform and create their applications on the internet. PaaS is also considered flexible and cost-effective, where users can manage computing resources according to the needs of their site or application.

3. Infrastructure-as-a-Service (IaaS)

IaaS is computing that manages applications or database networks without the need for computer hardware as long as you have enough knowledge to manage the existing software.

This cloud computing type can also handle device configuration issues without incurring system maintenance costs.

How Cloud Computing Works

After you understand what is cloud computing, you also need to know how it works. As mentioned, cloud computing functions as a secure server, where user data is uploaded through the internet.

These servers use security systems like firewalls and encryption to ensure data availability and confidentiality. Once uploaded, the data is processed by the cloud system and can be accessed by users through any internet-connected device.

Pros and Cons of Cloud Computing

After discussing what is cloud computing, its types and functions, let's explore the advantages and disadvantages to help you decide if it's suitable for your business or personal needs.

Cloud computing has several advantages, including:

Has better data security because it has an encrypted security system and disaster recovery plan.
It has high flexibility, but at a more efficient cost, where users only pay for the resources used.
It has easy access, where users can access it from anywhere and anytime as long as they are connected to the internet.
It has high scalability, where users can adjust the capacity as needed.
It has fast innovation, so users can activate resources quickly.

However, there are drawbacks to cloud computing you need to know to mitigate the risks that may arise, including:

It has limited bandwidth, so users have to pay more to increase the transfer amount.
It must have a fast and stable network to maintain optimal service quality.

Example of Cloud Computing

You can use cloud computing for various purposes, such as web hosting, business operations, data processing, and so on.

An example of cloud computing is web hosting which is used to store sites or applications.

Web hosting can store data, such as text, videos, images, and others.

In this case, cloud computing can reduce the transfer bottleneck of the central system and avoid the risk of load balancing.

In addition, you can also use cloud computing for business operations. Perhaps you are familiar with customer relationship management (CRM) which can help businesses to manage customers.

Cloud computing is also used in data storage, backup, analysis, and retrieval activities. You can also build and test applications using this computing, as well as stream video and audio.

Although relatively new, cloud computing services are already widely used by companies and individuals. It also offers other services, such as standard work programs, artificial intelligence, and language processing.

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