Explain the Amazon EC2 and advantages of EC2

This recipe explains what the Amazon EC2 and advantages of EC2

Recipe Objective - Explain the Amazon EC2 and its advantages EC2?

The Amazon Elastic Compute Cloud or Amazon EC2 is widely used and is defined as the service that offers the broadest and deepest compute platform with over 475 instances and giving the choice of the latest processor, storage, operating system, networking and purchase model to help users best match the needs of users workload. The Amazon Elastic Compute Cloud (EC2) is part of Amazon Web Services (AWS) which allows users to rent virtual computers on which to run their computer applications. Amazon Web Services EC2 encourages the scalable deployment of the applications by providing the web service through which the user can boot an Amazon Machine Image (AMI) to configure the virtual machine, which the company Amazon claims as to the "instance", containing any software desired. On Amazon Web Services, a user further can create, launch, and terminate server instances as needed and pay by the second for active servers – hence it is known by the term "elastic". The EC2 provides users with control over the geographical location of the instances which allows for latency optimization and high levels of redundancy. The EC2 used the Xen virtualization initially exclusively. Further, Amazon announced the new C5 family of instances that were based on a custom architecture around the KVM hypervisor, called Nitro in 2017. Also, Each virtual machine, called the "instance", functions as the virtual private server. Also, the Amazon sizes instances based on the "Elastic Compute Units" and the performance of otherwise identical virtual machines may vary. Further, the AWS announced a bare-metal instance type offering marking the remarkable departure from exclusively offering virtualized instance types in the same year of 2017.

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Instances are categorized into three types:

  • On-Demand Instances: No long term commitments in case of the On-Demand Instances. When using the compute capacity used per hour, AWS EC2 charges. Further companies can increase or decrease the capacity depending on the demand of the application and will have to only pay for the specified hourly rate of the instance chosen. Further, the benefits of using On-Demand instance is that it saves users from the cost of managing, planning, and purchasing hardware and converts the large fixed costs into the smaller variable costs. It further eliminates the need for the “safety net” capacity to handle sudden traffic spikes.
  • Reserved Instances(RI): There is flexibility to change the operating system types and tenancies in the Reserved Instances. Reserved Instances has an optional capacity reservation for the EC2 instances. Further, Amazon Web Services Billing applies the discounted rates of RIs when the attributes of EC2 instance’s usage match that of an active Reserved Instances. The AWS EC2 reserves the capacity matching the attributes of Reserved Instances if an Availability Zone (AZ) is specified. Further, the running instances automatically utilize the capacity reservation of RI which matches its attributes.

System Requirements

  • Any Operating System(Mac, Windows, Linux)

This recipe explains Amazon Web Services EC2 and the advantages of EC2.

Amazon EC2 and its Advantages

    • It offers Reliability

Amazon EC2 provides Reliability as it offers 99.9% availability for each Amazon EC2 region. Also, the services are highly reliable where replacement of instances can be done easily and rapidly.

    • It offers Security

Amazon EC2 offers Security to its users. Amazon works with the Amazon VPC to provide robust networking and security for the compute resources. The compute instances are located in the VPC (Virtual Private Cloud) in the specific IP range. Further, this specific function helps the user in deciding which instances are exposed to the internet and which remains private.

    • It offers Flexibility

Amazon EC2 provides users with choices of multiple instance types, software packages, instance storage, and operating systems and thus Amazon EC2 offers flexibility. Amazon EC2 lets users configure memory, CPU and boot partition size which is further optimized for the operating system and application.

    • It offers Cost Savings

Amazon EC2 is inexpensive as it allows the user to select the plans as per the requirement and thus offers Cost-saving pricing. This helps the user to save costs and utilize the resources fully. Amazon EC2 passes the benefits of Amazon’s scale as the user has to pay a very low amount compared to the services they provide.

    • It offers Complete Computing Solution

The Amazon EC2 works fine with the Amazon RDS, S3, Dynamo DB and Amazon SQS and thus offers the complete computing solution. So, this provides the complete computing, processing and storage solution.

    • It offers Elastic Web Computing

Amazon EC2 offers Eleatic Web Computing. So, Enterprises can easily increase or decrease capacity within minutes and can commission thousands of server instances simultaneously. Additionally, all the server instances are handled by the web service APIs which can scale the servers up and down depending on requirements.

    • It offers a Complete Controlled setup

The Amazon EC2 offers complete control over the instances. Also, users can have root access to each instance and enable users to interact with them as with any other machine. The user can stop the instance while retaining the data on the boot partition and restart the same using web service APIs.

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