⚾ Cloud Services

FaaS

Function as a Service

  • Functions are client managed and deployed on the cloud
  • Functions are executed on demand in pay as you go fashion
  • Referred to as Serverless Computing
  • Network infrastructure is vendor managed

IaaS

Infrastructure as a Service

  • Provides virtualised computing resources
  • Storage, networking, and other infrastructure virtualisations
  • Such services are generally pay as you go
  • Applications, operating systems and data are client managed
  • Servers, network infrastructure and storage are vendor managed

PaaS

Platform as a Service

  • Adds a layer of IaaS and is often employed by software developers building, testing, deploying and managing applications
  • Microsoft Azure and Google apps engine
  • Applications, operating systems and data are client managed
  • Servers, network infrastructure and storage are vendor managed

SaaS

Software as a Service

  • Management and deployment of software (platform and infrastructure included)
  • This service avoids the need for locally stored software because it uses such as Google Docs, and Microsoft Office 365
  • Client only managed by user
  • Everything else managed by vendor

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