Comparing costs between public cloud providers

I am often discussing the different platforms with people and we often end up discussing the different prices. People keep on asking me how much money you have to invest for a specific number of instances. It is necessary to look up different websites and so on. I came up with the idea of creating a simple cost comparison calculator with javascript on my blog. And I can now say: here it is! Click here to go to the Calculator. The cost comparision calculator gives you 3 different options: Calculate the best price for cpu intense applications Calculate the best price for memory intense applications Calculate the best cheapest instances available. The cost comparison calculator currently compares the following platforms: Amazon EC2 Google Compute Engine Rackspace Cloud Servers Windows Azure Virtual Machines A challenge is, what to compare. Each vendor has different instance types, so a comparison is often not so easy. Therefore, I have decided to split the comparison into different challenges as described

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Pricing Models for Cloud Computing

Whenever we talk about Cloud Computing, we also talk about the postive effects it has on costs. The reason for that is simple: at first sight, Cloud Computing offers look very cheap. Most of the time, we have per-hour prices far below 1$ per hour. But the truth is that we have to keep an instance up and running for the full month in most cases. Different Cloud Computing providers offer different pricing models. This is our Guide to navigate you through the pricing models we have to deal with in the Cloud. Fixed Costs The easiest costs we can calculate with are fixed costs. This means that there is exactly one price for a month. The price consists of the monthly fee multiplied by the service unit. A service unit is a valuation which is most of the time the number of users. If you consume a service in your company and you need 10 users for this service,

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