Most users uses Libcloud only for make request against a compute service. In fact the library covers several IaaS components:

• Authentication
• Compute service
• Object storage and CDN
• DNS
• Load balancers

A driver is a Python class which after instanciation will allow you to handle one the service listed above (except authentication).

So, what's a ...

In past I worked for CloudScreener.com as DevOps, I had in my responsabilities clouds benchmark. Computes' performances was mesured against a lot VMs categorized by the current parameters:

• Size or flavor: Number of vCPU, RAM size and root volume size
• Image: Chosen OS
• Location: Datacenter or region

As many public clouds don't use ...