Sunday, February 12, 2017

cloud computing defined

a formal definition:
Cloud Computing | NIST
Recommendations of the National Institute of Standards and Technology

NIST SP 800-145, The NIST Definition of Cloud Computing (PDF)
Essential Characteristics:

  • On-demand self-service
  • Broad network access
  • Resource pooling. 
  • Rapid elasticity
  • Measured service.
Service Models:

  • Software as a Service (SaaS)
  • Platform as a Service (PaaS).
  • Infrastructure as a Service (IaaS)
Deployment Models:
  • Private cloud
  • Community cloud.
  • Public cloud.
  • Hybrid cloud.