Skills Learned

  • Describe Infrastructure-as-a-Service (IaaS)
  • Describe Platform-as-a-Service (PaaS)
  • Describe Software-as-a-Service (SaaS)
  • Compare and contrast the three different service types

Service Models responsibilities

As a service means which party will manage the particular layer and all the layers below.

  • Software layer consists the application (application code and set) & the application data
  • Platform layer means all the supporting software and the operating system required to host the application
  • Infrastructure layer consists hardware the infrastructure and virtualization required to host the platform
Layer Layer
Application Software
Data Software
Runtime Platform
Middleware Platform
Operating System Platform
Virtualization Infrastructure
Servers Infrastructure
Networking Infrastructure
Storage Infrastructure

Responsibility Matrix

As such following table represents responsibilities

Layer On-Premises IaaS PaaS SaaS
Application You You You Cloud provider
Data You You You Cloud provider
Runtime You You Cloud provider Cloud provider
Middleware You You Cloud provider Cloud provider
Operating System You You Cloud provider Cloud provider
Virtualization You Cloud provider Cloud provider Cloud provider
Servers You Cloud provider Cloud provider Cloud provider
Networking You Cloud provider Cloud provider Cloud provider
Storage You Cloud provider Cloud provider Cloud provider
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Adam Marczak

Programmer, architect, trainer, blogger, evangelist are just a few of my titles. What I really am, is a passionate technology enthusiast. I take great pleasure in learning new technologies and finding ways in which this can aid people every day. My latest passion is running an Azure 4 Everyone YouTube channel, where I show that Azure really is for everyone!

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