Cloud Computing
Five Essential Characteristics (NIST Definition)
Section titled “Five Essential Characteristics (NIST Definition)”| Characteristic | Description |
|---|---|
| On-demand self-service | Provision/manage resources automatically, exactly when needed |
| Broad network access | Resources hosted in the network, accessible via standard protocols |
| Resource pooling | Multi-tenant model; resources dynamically assigned per demand |
| Rapid elasticity | Auto-scale infrastructure up (out) or down (in) to match workload |
| Measured service | Automatic control, monitoring, and reporting of resource usage |
Virtualization
Section titled “Virtualization”Hypervisor = VMM (Virtual Machine Monitor)
Software layer that creates and runs virtual machines by abstracting physical hardware.