IaaS > PaaS > SaaS

参考:https://m.oursky.com/saas-paas-and-iaas-explained-in-one-graphic-d56c3e6f4606

http://www.ruanyifeng.com/blog/2017/07/iaas-paas-saas.html

IaaS:基础设施服务,Infrastructure-as-a-service

PaaS:平台服务,Platform-as-a-service

SaaS:软件服务,Software-as-a-service

如果用烤披萨来形容:
pizza

从左到右使用者承担的开发量越来越小。

  • Traditional On-Premises Deployment: Made at Home
  • Infrastructure-as-a-Service: Take and Bake
  • Platform-as-a-Service: Pizza Delivery
  • Software-as-a-Service: Dining out
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