Clouds

NIST Cloud Characteristics:

  • On-demand self-service
  • Broad network access
  • Resource pooling
  • Rapid elasticity
  • Measured service

As a service:

  • IaaS (Infrastructure as a Service): access to cloud VMs
  • PaaS (Platform as a Service): environment with specific components, operating systems, databases, web servers
  • SaaS (Software as a Service): sofware