David Aiken

An operating system for the cloud:

- hardware abstraction across multiple servers
- distributed scalable, available storage
- deploying, monitoring and maintenance
- automated service management, load balancers, DNS
- programmable environment
- interoperability
- designed for utility computing

OS takes care of your service in the cloud:

- deployment
- availability
- patching
- hardware configuration

Service Model takes care of the configuration of the cloud.
Load balancers are responsible for balancing the load.
Blobs replcaes the file system (functionally)

Info can be found here.