What is Amazon EC2? Why is Amazon EC2 important?

What is Amazon EC2? Why is Amazon EC2 important? With over 32 percent of the entire world’s public cloud share, it’s no surprise that AWS serves more than 190 countries with scalable, reliable, and low-cost infrastructure. One of its most powerful and commonly used services are Amazon EC2 (Elastic Cloud Compute).

Amazon EC2 provides scalable computing capacity in the AWS cloud. Leveraging it enables organizations to develop and deploy applications faster, without needing to invest in hardware upfront. Users can launch virtual servers, configure security and networking, and manage cookies from an intuitive dashboard.

What is Amazon EC2?

Amazon Elastic Compute Cloud (Amazon EC2) provides on-demand, scalable computing capacity in the Amazon Web Services (AWS) Cloud. Using Amazon EC2 reduces hardware costs so you can develop and deploy applications faster.

You can use Amazon EC2 to launch as many or as few virtual servers as you need, configure security and networking, and manage storage. You can add capacity (scale up) to handle compute-heavy tasks, such as monthly or yearly processes, or spikes in website traffic. When usage decreases, you can reduce capacity (scale down) again.

The following diagram shows a basic architecture of an Amazon EC2 instance deployed within an Amazon Virtual Private Cloud (VPC). In this example, the EC2 instance is within an Availability Zone in the Region.

The EC2 instance is secured with a security group, which is a virtual firewall that controls incoming and outgoing traffic. A private key is stored on the local computer and a public key is stored on the instance. Both keys are specified as a key pair to prove the identity of the user. In this scenario, the instance is backed by an Amazon EBS volume. The VPC communicates with the internet using an internet gateway. For more information about Amazon VPC, see the Amazon VPC User Guide.

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Amazon EC2

Use Cases of Amazon EC2

  1. Deploying Application: In the AWS EC2 instance, you can deploy your application like .jar,.war, or .ear application without maintaining the underlying infrastructure.
  2. Scaling Application: Once you deployed your web application in the EC2 instance know you can scale your application based upon the demand you are having by scaling the AWS EC2-Instance.
  3. Deploying The ML Models: You can train and deploy your ML models in the EC2-instance because it offers up to 400 Gbps), and storage services purpose-built to optimize the price performance for ML projects.
  4. Hybrid Cloud Environment: You can deploy your web application in EC2-Instance and you can connect to the database which is deployed in the on-premises servers.
  5. Cost-Effective: Amazon EC2-instance is cost-effective so you can deploy your gaming application in the Amazon EC2-Instances

Why is Amazon EC2 important?

Amazon EC2 is important for many reasons. It provides users with on-demand, scalable computing resources that can be used to run a variety of applications.

Additionally, Amazon EC2 can be used to launch and manage virtual private servers (VPS), making it an ideal platform for hosting websites and applications.

The types of AWS EC2 instances

When discussing instances, it’s important to understand the difference between physical and virtual instances.

A physical instance is a server allocated to you by Amazon. This server exists in the real world and can be used to host your applications.

A virtual instance, on the other hand, is a simulation of a real server. Virtual instances are run on top of physical instances and can be used to test or develop applications.

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Amazon EC2 offers a wide range of instance types, each designed for a specific purpose, the most common being:

Amazon EC2

General purpose

A virtual machine created to hold a wide range of tasks. These instances have been designed to offer CPU cores in large numbers, as well as on-demand memory and storage.

Common uses for this type of instance cover hosting web servers and testing and developing software.

They can also be used for other purposes that don’t need high-powered CPU cores.

GPU optimized

These instances offer a means to run graphic-intensive programs more quickly than the traditional EC2 servers.

Systems that use graphic processing units include design and gaming work.

For instance, Linux distributions often use GPUs for running graphic user interfaces, increasing compression speeds, and improving the speed of database queries.


These instances can be used to power large-scale data apps requiring vast quantities of memory and processing power in the AWS cloud.

Instances are created and advanced for running high-performance, data-intensive and computational applications that need extensive availability, a fast network speed, and high output/input operations per second.

These applications include financial and scientific modeling, simulation computer-aided learning, business intelligence, and enterprise-level data warehouses.

Storage optimized

These instances optimized for storage are great for apps that need the highest I/O performance; for example, NoSQL databases storing and retrieving real-time data.

They’re also ideally suited to intensive applications that use memory, such as log processing or processing data for data warehouse analytics.

Storage-optimized instances can offer high sequential read and write performance for large data stores and high-traffic websites.

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How to learn AWS EC2 and cloud computing

Cloud computing and AWS EC2 can be difficult to learn, but it’s possible with the right tools and resources. The first step is to understand what cloud computing is and what AWS EC2 and other features like the Virtual Private Cloud offer. Once you have a basic understanding of these concepts, you can begin learning how to use them.

There are online resources that can help you learn cloud computing and AWS EC2. For example, Amazon offers a variety of tutorials that can walk you through the basics of using AWS EC2. These tutorials are beginner-friendly and cover various topics, from creating your first instance to managing AWS security settings.

CareerFoundry’s Cloud Computing for developers course is a great way to start getting to grips with not just S3 and the Web Services platform, but cloud computing in general.

Starting with the fundamentals of the cloud, you’ll gain hands-on practical experience with not just EC2 but other widely-used AWS tools such as S3, the VPC, Lambda, and Identity and Access Management (IAM).

Offering developers a basic to intermediate level of deploying web applications on AWS cloud services, this mentored course can be taken by itself, or as part of the Full-Stack Development Program.

Amazon EC2

Above is information about What is Amazon EC2? Why is Amazon EC2 important? that we have compiled. Hopefully, through the above content, you have a more detailed understanding of Amazon EC2. Thank you for reading our post.

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