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5 Ways Your Users Can Benefit from Cloud Anti-Spam

While many email admins prefer to keep their messaging hygiene in their own datacenters, others who are looking to save money and reduce the amount of hardware in their datacenters should consider cloud anti-spam solutions. There are some great features in cloud anti-spam that can help admins and their systems, and, let’s not forget, our [...]

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Green cloud computing, which way to go?

What is the right cloud architecture to create a green and sustainable cloud? Should we consolidate to huge mega data centers or is there another way to go? The analogy Currently data centers are constructed on the intersection of the electrical energy infrastructure and the network (data) infrastructure. Considering the current electrical energy infrastructure, for [...]

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How are cloud computing companies going to effect the online storage service industry?

Recently Eric Greenwood from asked, me “..Do you have any opinions on how cloud computing companies are going to effect the online storage service industry? A view from an economic mind like yours would be very interesting!” Aren´t online storage service providers themselves also cloud computing companies? I am a heavy (not yet paying) user of [...]

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Is Amazon the cheapest cloud computing provider?

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 [...]

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Amazon and Microsoft in Dublin down, resiliency of cloud computing

A lightning strike in Dublin, Ireland, has caused downtime for many sites using Amazon’s EC2 cloud computing platform, as well as users of Microsoft’s BPOS. Amazon said that lightning struck a transformer near its data center, causing an explosion and fire that knocked out utility service and left it unable to start its generators, resulting [...]

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Comparing costs of cloud computing providers

When considering ROI maximization of cloud computing solutions it is crucial to minimize costs of cloud hosting, especially that differences can be very big. Anyone who has tried to compare prices of IaaS providers knows that it is a very tedious task if done manually, since there are different pricing models used, there are subscription [...]

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On delivering highly available services using spot instances

In the Infrastructure-as-a-Service (IaaS) cloud computing market, spot instances refer to virtual servers that are rented via an auction. Spot instances allow IaaS providers to sell spare capacity while enabling IaaS users to acquire virtual servers at a lower price than the regular market price (also called “on demand” price). Users bid for spot instances at [...]

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The Economics of Cloud Computing Examined

The cloud computing economic model is expected to bring significant rewards – apparently. Those rewards may be possible but the quality of analysis to demonstrate that the cloud paradigm will yield an ever-growing margin is far from assured. The assumptions underlying the economics of the cloud are tenuous and therefore the promotions and promises should [...]

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Cloud economics penalizes large workloads

Cloud computing is heavily promoted as the low-cost alternative to in-house data centers. Yet this is not true for any context and any application. A recent paper with the title “To Move or Not to Move: The Economics of Cloud Computing” by  Byung Chul Tak, Bhuvan Urgaonkar, and Anand Sivasubramainam  states that especially applications with [...]

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Python library for calculating cloud costs

Within SITIO project we developed several tools for calculating and predicting costs of running IT systems on various clouds. Recently we open-sourced one of such tools – python library ‘cloud-calculator’. Source is here: Using easy_tools it can be installed as easy as “easy_install cloud-calculator”. In this blob post we show sample usage of this [...]

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