Cloud :

  • Drawing a cloud on a chart is the way to represent the Internet and its multiple interconnections.

 

Cloud computing :

  • SaaS (Software as a Service) : individual software package accessible from the cloud
  • PaaS (Platform As a service) : complete operating system and software package available via cloud services
  • IaaS (Infrastructure as a Service) : infrastructure services, racks, servers, storage, network capacity, etc..
  • BpaaS (Business process as a Service application as a Service) : outsourcing of certain business processes not core to the company

 

Types of controllers :

  • Public cloud : owned and operated by a 3rd party
  • Private cloud : owned and operated directly by your organisation
  • Partner cloud : owned and operated by a trusted partner