Principles of Computer System Design book cover

Principles of Computer System Design

An Introduction

This text identifies, examines, and illustrates fundamental concepts in computer system design that are common across operating systems, networks, database systems, distributed systems, programming languages, software engineering, security, fault tolerance, and architecture. Through carefully analyzed case studies from each of these disciplines, it demonstrates how to apply these concepts to tackle practical system design problems.

To support the focus on design, the text identifies and explains abstractions that have proven successful in practice such as, remote procedure call, client/service organization, file systems, data integrity, consistency, and authenticated messages. Most computer systems are built using a handful of such abstractions. The text describes how these abstractions are implemented, demonstrates how they are used in different systems, and prepares the reader to apply them in future designs.

This unique book is offered in an online / offline split: Chapters 1-6 are included in the book available from Morgan Kaufmann in print or ebook form. Chapters 7-11 are available online under a Creative Commons license. Download them for free at

Junior and Senior undergraduate students in Operating Systems, Distributed Systems, Distributed Operating Systems and/or Computer Systems Design courses.Professional computer systems designers.

Paperback, 560 Pages

Published: June 2009

Imprint: Morgan Kaufmann

ISBN: 978-0-12-374957-4


  • "This is a unique, ambitious, and important book. It is about computer system design principles, and not the usual mechanics of how things work. These principles are typically embedded in research papers (for those of which are to be found at all), and no book I know of makes so many of them explicit and its focal point."
    -Joe Pasquale, UC San Diego

    "The book is a great introduction to system design issues that are only taught at few courses in few universities, even-though they show up in computer systems everywhere. This is a very good and easy read for any one in computer industry. It describes all parts of computer systems and how they interact very well. The extension of the book is online and many chapters are available for free to download. The chapter on Naming is worth the money of the book. I have not seen the discussion of naming in such detail and simple terms anywhere. The authors are very well respected professors at MIT and have experience in operating systems and computer system since its early days. I highly recommend this book to any hardware or software student or professional engineer." 5 star review THE missing link, January 16, 2010 By clivebaker "clivebaker"

    "[A] unique of several design patterns that are used as building blocks in computer systems. The primary novelty in Saltzer and Kaashoek’s book is the fresh and original presentation of several related topics. The book is logically divided into two parts: Part 1 is included in the hard-copy book; Part 2 is only available online…. I highly recommend this well-written and well-structured book to several groups of readers: undergraduate students can use it as a gentle introduction to computer architecture and OSs, and graduate students and more advanced readers will enjoy its philosophical and design-oriented aspects. In fact, the book may eventually become a classic and a must-read for any computer scientist."--Computing Reviews


  • CHAPTER 1 Systems

    1.1 Systems and Complexity

    1.2 Sources of Complexity

    1.3 Coping with Complexity I

    1.4 Computer Systems are the Same but Different

    1.5 Coping with Complexity II

    CHAPTER 2 Elements of Computer System Organization

    2.1 The Three Fundamental Abstractions

    2.2 Naming in Computer Systems

    2.3 Organizing Computer Systems with Names and Layers

    2.4 Looking Back and Ahead

    2.5 Case Study: UNIX® File System Layering and Naming

    CHAPTER 3 The Design of Naming Schemes

    3.1 Considerations in the Design of Naming Schemes

    3.2 Case Study: The Uniform Resource Locator (URL)

    3.3 War Stories: Pathologies in the Use of Names

    CHAPTER 4 Enforcing Modularity with Clients and Services

    4.1 Client/Service Organization

    4.2 Communication Between Client and Service

    4.3 Summary and The Road Ahead

    4.4 Case Study: The Internet Domain Name System (DNS)

    4.5 Case Study: The Network File System (NFS)

    CHAPTER 5 Enforcing Modularity with Virtualization

    5.1 Client/Server Organization within a Computer Using Virtualization

    5.2 Virtual Links Using SEND, RECEIVE, and a Bounded Buffer

    5.3 Enforcing Modularity with Domains

    5.4 Virtualizing Memory

    5.5 Virtualizing Processors Using Threads

    5.6 Thread Primitives for Sequence Coordination

    5.7 Case Study: Evolution of Enforced Modularity in the Intel x86

    5.8 Application: Enforcing Modularity Using Virtual Machines

    CHAPTER 6 Performance

    6.1 Designing for Performance

    6.2 Multilevel Memories

    6.3 Scheduling


    CHAPTER 7 The Network as a System and as a System Component

    7.1 Interesting Properties of Networks

    7.2 Getting Organized: Layers

    7.3 The Link Layer

    7.4 The Network Layer

    7.5 The End-to-end Layer

    7.6 A Network System Design Issue: Congestion Control

    7.7 Wrapping up Networks

    7.8 Case Study: Mapping the Internet to the Ethernet

    7.9 War Stories: Surprises in Protocol Design

    CHAPTER 8 Fault Tolerance: Reliable Systems from Unreliable Components

    8.1 Faults, Failures, and Fault-tolerant Design

    8.2 Measures of Reliability and Failure Tolerance

    8.3 Tolerating Active Faults

    8.4 Systematically Applying Redundancy

    8.5 Applying Redundancy to Software and Data

    8.6 Wrapping up Reliability

    8.7 Application: A Fault Tolerance Model for CMOS RAM

    8.8 War Stories: Fault-tolerant Systems that Failed

    CHAPTER 9 Atomicity: All-or-nothing and Before-or-after

    9.1 Atomicity

    9.2 All-or-nothing Atomicity I: Concepts

    9.3 All-or-nothing Atomicity II: Pragmatics

    9.4 Before-or-after Atomicity I: Concepts

    9.5 Before-or-after Atomicity II: Pragmatics

    9.6 Atomicity across Layers and Multiple Sites

    9.7 Case Studies: Machine Language Atomicity

    9.8 A More Complete Model of Disk Failure (Advanced Topic)

    CHAPTER 10 Consistency

    10.1 Constraints and Interface Consistency

    10.2 Cache Coherence

    10.3 Durable Storage Revisited: Geographically Separated Replicas

    10.4 Reconciliation

    10.5 Perspectives

    CHAPTER 11 Information Security

    11.1 Introduction to Secure Systems

    11.2 Authenticating Principals

    11.3 Authenticating Messages

    11.4 Message Confi dentiality

    11.5 Security Protocols

    11.6 Authorization: Controlled Sharing

    11.7 Advanced Topic: Reasoning about authentication

    11.8 Summary

    11.9 Cryptography as a Building Block (Advanced Topic)

    11.10 Case Study: Transport Layer Security (TLS) for the Web

    11.11 War Stories: Security System Breaches


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