Out of the plethora of services that Amazon offers, the most popular services are Amazon Elastic Compute Cloud. These are also popularly known as Amazon EC2. Web-scale computing can be easily redesigned using this web service. The services offered by Amazon follow a simple policy according to which you will only have to pay for the services that you are using. There is no concept of ‘minimum fee’ on Amazon. You can calculate your monthly expenditure using a tool called ‘AWS Simple Monthly Calculator’, which is available on the Amazon website. This blog explains the costing concepts for all the other services available with Amazon. On Demand Instances This billing format allows users to pay their hourly usage of compute capacity. Moreover, there are no long term commitments involved. As a result, the large fixed costs involved are broken down into small variable costs. Besides, you are not required to pay for plan, purchase and maintenance of hardware. The pricing done for a service is billed on a per hour basis for each of the instances used. The pricing is different for different operating systems though. The time is logged from the time the instance was initiated to the time that it was terminated. Besides, a partial hour is also taken as a full hour. But the best part is that there are no long-term commitments required with Amazon. Reserved Instances This payment format allows you to make a small one-time payment, which reserves an instance for your use in the future as well. Against this, you get a discount on the hourly charge for the service. According to...
