Cloud Computing: Sizing, pricing Amazon Web Services EC2 instance types

May 31, 2014 Off By David

Grazed from TechTarget. Author: Bill Claybrook.

Amazon Web Services (AWS) is a collection of services that includes storage services such as Simple Storage Service (S3), Elastic Compute Cloud (EC2) and more. These IT infrastructure services are offered in the form of Web services that Amazon refers to as cloud computing. Amazon EC2 is the AWS computing service.

When users decide to share their IT responsibility with a public cloud provider and move some of their applications to a public cloud, AWS EC2 is frequently the choice. Prior to services such as EC2, users had to go through a lengthy process to complete the purchase of a server, including finding the money to pay for it. Then the server had to be installed, connected to the on-premises network and tested. EC2 offers computing capacity on demand, no upfront server costs, almost immediate availability and no commitment for length of use. The total commitment a user has to make to EC2 is one hour, the minimum billing period for an EC2 instance (virtual machine)…

Using EC2 means booting an Amazon Machine Image (AMI) to create a virtual machine. Using Amazon’s terminology, a running virtual machine is referred to as an instance. When an instance is not running it is referred to as an image. A launched image becomes an instance…

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