Microsoft Windows Internals 4th -- Chapter2 System Architecture

This chapter explains the overall architecture of the system—the key components, how they interact with each other, and the context in which they run.

Requirements and Design Goals

The following requirements drove the specification of Windows NT back in 1989:

Provide a true 32-bit, preemptive, reentrant, virtual memory operating system

Run on multiple hardware architectures and platforms

Run and scale well on symmetric multiprocessing systems

Be a great distributed computing platform, both as a network client and as a server

Run most existing 16-bit MS-DOS and Microsoft Windows 3.1 applications

Meet government requirements for POSIX 1003.1 compliance

Meet government and industry requirements for operating system security

Be easily adaptable to the global market by supporting Unicode

According to the requirement, the following design goals are adopted:

Extensibility

Portability

Reliability and robustness

Compatibility

Performance