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Cloud Computing Price Comparison Engine

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Tuesday, August 23, 2011

DediServe – a new cloud hosting provider in Cloudorado

Today we have added a new provider to the Cloudorado – DediServe. DediServe is a provider with data centers in both US (Dallas) and Europe (London). Servers are billed on a monthly basis and also have transfer included (up to 4 TB). Incoming transfer is not billed and if the outgoing limit is exceeded, it is charged on a level of 3 cents per GB, which is the lowest price so far. This might be a good choice for transfer intensive applications. There are also many other items included in price - most notable backups, Windows Server Web Edition and support. 

Check with the cloud hosting price comparison service if DediServe is the best cloud provider for your needs.

Thursday, August 11, 2011

Is Amazon the cheapest cloud computing provider? Cloud Computing Myth Busters!

When people think of cloud computing, they almost automatically think of Amazon EC2. Amazon has become the cloud computing company and is commonly perceived as the cheapest, if not the only, IaaS provider. But is this really so? Let’s play Myth Busters as on the Discovery Channel. Cloud Computing Myth Busters!

We will compare all of Amazon’s instances from Standard line with prices for cloud servers of at least the same parameters from other cloud computing providers. For this purpose we will use Cloudorado - the cloud computing price comparison engine. For Amazon to be considered the cheapest, it would have to be the cheapest for every instance type they provide, since these are their strongest points. If this is not met, there is no point in checking any further.

We will assume only cloud server costs. No transfer, licenses or load balancers. We will choose a full month of computing with on-demand prices. We could expand it to other instance types and other combinations, but there's no need to drag this article out with too many variations when you could easily try them on your own with the cloud hosting price comparison engine.

We will also provide one extension to Cloudorado calculations. As Amazon does not have persistent instance storage as other providers, we will also provide additional calculation of instances with a persistent EBS storage of equal size to instance storage. Unfortunately the cost of the EBS service depends on both size and number of I/O requests. As an estimate of I/O requests cost, we will use 100 I/O per second, resulting in $26 per month as indicated by Amazon in Projecting Costs section of EBS description

OK, with all assumptions explained, let’s start!

Wednesday, August 3, 2011

Cloud hosting pricing models explained

When choosing a cloud hosting provider, it is important to understand its pricing model. Unfortunately, this is not always easy to do, especially for those who start with cloud computing subject. That is why we wrote this article, which summarizes different approaches for pricing cloud servers that we have met with while creating Cloudorado – cloud computing price comparison. We hope this makes it easier for you to follow pricelists and helps you avoid any unpleasant surprises when it comes time to pay for cloud hosting.

Before we start, let’s limit scope of the article. We are going to talk only about Infrastructure as a Service providers (IaaS) and we will discuss only to the server part, and not go much into additional storage, load balancing, etc. Platform and Software as a Service (PaaS and SaaS) is completely out of the scope here.

Cloud server – the basic entity you pay for

First of all, you need to understand how resources are divided into cloud servers. The most common model is a predefined set of server types with a bundled amount of RAM, storage, and CPU. You can find this type in Amazon, Rackspace, GoGrid, and many other providers. 

Monday, August 1, 2011

How to reduce costs of on demand instances with spot instances

For those who want to reduce costs of on demand instance prices, there is an interesting tip how to do it with spot instances. In general spot instances are sold in form of an auction when there is unused capacity available at cloud provider. Well actually I think only Amazon has it in this form. In longer term it turns out that spot instance costs are somehow at a level of reserved instances, but you don’t need to pay reservation fee upfront. If you want to ensure your instance is not terminated just overbid, give even much higher price than normal on demand price – this is just a maximum you are willing to pay, but the final price will come when clearing price is set, which will be usually much lower. Obviously I wouldn’t recommend this method for mission critical servers.

You can find out more on this subject here:

Would you like to see such pricing model implemented in Cloudorado - cloud computing price comparison engine?