Layered

• Can organise multiple peer subsystems
• Each layer:
  • Presents a standard interface to its upper layer
  • Communicates using a different standard interface with its lower layer
• Essentially each layer implements a virtual machine
• Lower layers shall not use upper layers
• Examples:
  • Network stacks
  • Operating system structures

The Windows NT implementation layers

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• Contents
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 Last change: Tuesday, November 25, 2003 11:24 am
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