Thoran Rodrigues do a thorough comparison of 11 cloud IaaS providers based on the same criteria. See how the big players in the situation than his scoring. Cloud computing is a term that covers a lot of different things. From the server and infrastructure with the Office software, a lot of it is sold on a model, the cloud-based service. This means that any comparison of cloud computing providers can not only is very complex, but can also end the companies that do not even compete with each other. To avoid this situation, the different types of cloud services should be considered separately. Today, we will focus on the infrastructure as a service (IaaS). IaaS provider is the company that offers the most basic needs of the IT-network, server and storage-on a payment model based on usage. They often make big investments in data centers and other infrastructure, and then rent it out, allowing the consumer to avoid his own investments. Even the vendors, however, not all pursue the same business model. While the largest and most famous is the focus on the public, with fully automatic network set-up, there are also a number of niche players that serve only for the business market, as well as smaller companies resell the infrastructure from larger ones, often with a number of value-added services. comparable companies for the sake of this comparison, we will focus on the IaaS provider that services can be purchased directly on the network, without contact with the sales staff of any kind. They were selected based on both my knowledge about the companies in the field and based on the availability of the information about them on the web. I ended up with 11 different companies, from new ones, big and well known. To make the comparison, I decided to create some dimension that tries to reflect important aspects of cloud computing, as the promise of reduced costs and economies of scale, the level of service provided to customers, flexibility in the configuration of the server , and concerns of users such as security, compliance, and support. This process leads to the following criteria: 14 plan pricing-suppliers provide the plan pay-as-you-go (usually by the hour), monthly price plan, "Member" discount (in which users receive a discount at the rate of Exchange used more annual payments), or any combination thereof. The more the option is provided, the better, but the pay-as-you-go is the most exciting independent choice, because it allows to control the use of fine particles. Only payment plans show highlights were reviewed. Monthly average price-estimated costs in us $ for a 1 CPU, 2 GB RAM cloud servers (choosing the best or closest), average across the data center for companies with pricing based on location, and averages on the Windows/Linux servers. When available, pricing, hours have been used, based on months of 730 hours. If not, the monthly price was used. Does not include data transmission charges. The service level agreement (SLA)-uptime SLA provided (regardless of past performance), in percentage points. Data centre number-the number of the Datacenter is offered as a choice when deploying cloud servers. Certificate-If the same access provider and associated security certificates, such as PCI or SAS 70. Scale Up-If can expand the scale of the case personal cloud server by adding more memory, more CPU or more storage space.
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