SpotCloud uses the concept of Random Access Compute Capacity, similar to cloud bursting or the dynamic deployment of a software application that runs on internal organizational compute resources to a public cloud to address a spike in demand.
However, unlike cloud bursting, which refers strictly to expanding the application to an external cloud to handle spikes in demand, SpotCloud's cloud spanning includes scenarios in which an applications component are continuously distributed across multiple localized cloud providers.
The capacity itself is provided via a global pool of regional cloud providers. SpotCloud treats providers as a nameless, faceless, and possibly unsecured group of providers of raw, localized computing capability. While buyers can purchase capacity based on performance and price and the location of the provider, the name of the provider remains hidden until after the purchase is made. This is to prevent undercutting the provider's retail sales of capacity.
According to Reuven Cohen, founder the chief technologist of Enomaly, the idea came about because of numerous cloud providers whose companies -- often the first such enterprise in their respective countries -- weren't well known and had excess capacity. With no way to make themselves known to potential buyers on a broad scale, they were watching that capacity go to waste.
At the same time, cost-conscious buyers would benefit from being able to make quick purchases of capacity, as well as location, at favorable prices. Selecting a provider becomes easier with the clearing house, because potential buyers don't need to scour the Internet looking for potential providers. Also, buyers can continually monitor the site and determine the best price at which to buy computing resources.
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