Skip to Content

Amazon EC2: how it works, instance types, pricing, scaling

Posted on October 28, 2022 by

Categories: AWS


Modern businesses employ the client/server model to offer goods, resources, or information to their end consumers regardless of the sectors in which they operate. This implies that they need servers to run their business and pertinent apps. In order to host these apps and supply the necessary computer power, that also demands raw compute capacity. But these servers are virtual when it comes to using AWS. So, in order to access them, you must utilise a certain service called Amazon EC2 (Amazon Elastic Compute Cloud).

We’ll learn more about Amazon EC2 today. Specifically, we shall examine:

  • Benefits of Amazon EC2 instances, how Amazon EC2 operates, types of Amazon EC2 instances, pricing for Amazon EC2, and auto-
  • scaling for Amazon EC2.
  • Amazon EC2 and its main advantages

With the help of Amazon EC2 instances, customers can access a safe and scalable compute platform in the cloud. This platform is also regarded as the deepest and broadest. It provides a wide selection of the most recent processor, storage, networking, operating systems, and pricing schemes. This enables you to efficiently meet your workload requirements.

Assume you are in charge of supporting new websites and resource architecture for your company. The steps you will take with common on-premises resources are as follows:

Pay up front for software; Wait for server delivery; Install these services in the actual data centre of your business; Provide all necessary customizations.

However, users may utilise a virtual server to execute their apps in the AWS Cloud by using an Amazon EC2 instance. What are the main advantages of Amazon EC2 then?

Within a short period of time, an Amazon EC2 instance may be provisioned and launched; your business can stop utilising this instance once the workload running process is complete; and in this case, you only pay for the compute time utilised by your business when an Amazon

  • EC2 instance is operating. When the instance is halted or terminated, you won’t be charged.
  • Your business may save a lot of money since you only pay for the server capacity that is really used.

Performance of Amazon Elastic Compute Cloud is supported by pertinent actual host computers. Thanks to virtualization technology, Amazon Web Services is able to manage these host computers. There is no requirement to take the full host to oneself while starting an EC2 instance. You do, after all, share the host with several other virtual machines.

The host machine’s Amazon EC2 hypervisor, however, manages the appropriate distribution of the primary physical resources among the virtual machines. Multitenancy is the term for the specific idea of sharing fundamental hardware. Because they share resources from the relevant host, the Amazon EC2 hypervisor isolates virtual machines from one another. Because of this, EC2 instances are very secure and independent.

How to use Amazon EC2

1. Start

You must first launch an instance. You must choose a template for your Amazon EC2 instance that includes the fundamental parameters. These setups include an application server, an operating system—either Windows or Linux—and applications. The most well-liked ones are internal business programmes, straightforward and sophisticated online applications, different databases, and third-party software. In addition, you may select the instance type, which determines the hardware setup for an Amazon EC2 instance.

Connect 2.

The second step is to connect to your instance, which you may accomplish in a few different ways. Your programmes and applications, for instance, offer a variety of ways to communicate directly and exchange information. Additionally, users may sign in and access the desktop of the PC to connect an Amazon EC2 instance.

3. Use

You can use your instance after you’ve connected to it. It entails that you may issue instructions to install software, add storage, copy, organise data, and other things.

Amazon EC2 instance types

Every Amazon EC2 instance type is tailored for a certain set of tasks. You must take into account a number of unique requirements of your workloads and applications when selecting an instance type. After all, each type of instance offers various combinations of networking, memory storage, and CPU (central processing unit). This gives you the freedom to choose the ideal set of resources for your applications.

There are various Amazon EC2 instance types, including:

These Amazon EC2 instances provide the right amount of compute, memory, and networking resources. They could be used by your company for a variety of workloads, such as application and gaming servers, backend servers for enterprise apps, and small and medium databases.

Let’s assume that your application requires roughly equivalent amounts of memory, compute, and networking resources. Since this app doesn’t require optimization in any specific single resource areas, you might think about running it on a general-purpose instance.

instances optimised for computers

This particular Amazon EC2 instance type is ideal for compute-intensive applications that benefit from powerful processors. Your business may use such instances, which are similar to general-purpose ones, for web, application, or gaming servers.

The right choice for high-performance web servers, along with compute-intensive apps servers and dedicated gaming servers, is compute-optimized applications, which set the two groups apart. Additionally, batch processing workloads that require handling a large number of transactions with a single group are perfect for compute-optimized instances.

instances with optimised memory

Such Amazon EC2 instances enable quick performance for pertinent workloads that guarantee processing massive amounts of data in memory. When it comes to computing, memory acts as a short-term storage space for all the data and instructions needed by a CPU to carry out tasks. Therefore, information must be loaded into memory from the specific storage location before your programme or application can execute. The CPI has immediate access to your application or app thanks to this preloading procedure.

Consider a workload that necessitates preloading huge datasets before you launch an app. A high-performance database that foresees processing significant amounts of unstructured data in real-time may exist in this instance. You should consider utilising memory-optimized instances in certain usage situations. After all, these Amazon EC2 instances support the execution of applications with large memory demands while achieving notable speed.

examples of accelerated computing

Instances of “accelerated computing” use hardware accelerators to carry out a number of tasks more quickly than programmes running on CPUs. The most well-known examples of such functions are floating-point number calculations, graphic processing, or information pattern matching.