Contents

Table of Contents For

Hands-On Networking

With Internet Technologies

Preface xv

Chapter 1 Introduction And Overview 1

1.1	The Fundamental Need For A Laboratory 1
1.2	The Spectrum Of Possible Lab Facilities 1
1.3	A Word About Simulation 3
1.4	Organization Of The Book 3

Part I A Single Computer 5

Chapter 2 Hardware And Software On A Single Computer 7

2.1	The Two Types Of Support And Their Uses 7
2.2	Support For Network Access 7
2.3	Support For Network Programming 7
2.4	Recommendations 8
2.5	Summary 8

Chapter 3 Experiments Using Application Programs 9

3.1	Using A Single Computer To Experiment With Applications 9
3.2	Using A Single Computer To Develop And Test Network Applications 9
3.3	Stress Testing Applications With An Emulated Internet 10
3.4	Transport Protocol Development On A Single Computer 12
3.5	Summary 12

Part II Network Programming On A Set Of Shared Workstations 23

Chapter 4 Hardware And Software For A Shared Workstation Lab 25

4.1	Consequences Of Sharing 25
4.2	Example Shared Lab Technologies 25
4.3	Architecture Of A Shared Lab 26
4.4	Using A Shared Lab In A Networking Course 26
4.5	Broadcast Domain Assumption 26
4.6	Summary 27

Chapter 5 Network Programming Experiments Using A Simplified API 29

5.1	Introduction 29
5.2	Obtaining Software For The API 30
5.3	Summary 30

Chapter 6 Network Programming Experiments Using The Socket API 37

6.1	Introduction 37
6.2	Information About Sockets 37
6.3	A Note About The Difficulty Of Socket Programming 38
6.4	Summary 38

Chapter 7 Concurrent Network Programming Experiments 47

7.1	Introduction 47
7.2	Summary 47

Chapter 8 Protocol Design Experiments 55

8.1	Introduction 55
8.2	Stress Testing Protocols 55
8.3	Internet Emulation With A Gateway 55
8.4	Emulation Behavior 56
8.5	Gateway Details 56
8.6	Gateway Registration Message 57
8.7	Packet Exchange 58
8.8	Error Processing 59
8.9	Gateway Semantics And Defaults 59
8.10	Possible Extensions 60
8.11	Summary 60

Chapter 9 Experiments With Protocols From The TCP/IP Suite 71

9.1	Introduction 71
9.2	Difficulties And Rewards 71
9.3	Summary 72

Part III Measurement And Packet Analysis On Augmented Workstations 79

Chapter 10 Hardware And Software For An Augmented Shared Lab 81

10.1	The Ideal Measurement Lab 81
10.2	Alternatives To An Isolated Network 81
10.3	Augmentation 82
10.4	Protecting The Production Network 82
10.5	Computers On A Private Network 82
10.6	Summary 83

Chapter 11 Network Measurement Experiments 85

11.1	Introduction 85
11.2	Measuring Throughput 85
11.3	Summary 85

Chapter 12 Packet Capture And Analysis Experiments 93

12.1	Introduction 93
12.2	Promiscuous Mode And Hubs 93
12.3	Manual Packet Inspection 93
12.4	Summary 94

Chapter 13 Protocol Observation Experiments 103

13.1	Introduction 103
13.2	Protocol Sequences At Each Layer 103
13.3	Summary 103

Part IV Configuration Experiments In A Dedicated Intranet Lab 111

Chapter 14 Hardware And Software For A Dedicated Intranet Lab 113

14.1	Dedicated Vs. Production Facilities 113
14.2	Characteristics Of A Dedicated Intranet Lab 113
14.3	Example Equipment In A Dedicated Lab 114
14.4	Summary 114

Chapter 15 Internet Address Configuration Experiments 115

15.1	Introduction 115
15.2	Organization Of Chapters 115
15.3	Summary 115

Chapter 16 Web Technology Configuration Experiments 123

16.1	Introduction 123
16.2	Web Technologies 123
16.3	Summary 124

Chapter 17 IP Routing And IP Forwarding Experiments 131

17.1	Introduction 131
17.2	Indirect Vs. Direct Observation 131
17.3	Summary 131

Chapter 18 Virtual And Protected Internet Environment Experiments 141

18.1	Introduction 141
18.2	Flexible Abstractions 141
18.3	Summary 141

Part V Protocol Stack Implementation In A Special-Purpose Lab 149

Chapter 19 Hardware And Software For A Special-Purpose Protocol Development Lab 151

19.1	Introduction 151
19.2	The Need For Two Computers 151
19.3	Front-end And Back-end Computers In A Lab 152
19.4	Functional Requirements 152
19.5	An Example Architecture 153
19.6	Operation Of The Author's Lab 154
19.7	Automated Recovery 155
19.8	Organization Of The Lab Software 156
19.9	Reset Controller Hardware 157
19.10	Scaling The Architecture 158
19.11	Virtual Lab 159
19.12	Further Details 160
19.13	Summary 160

Chapter 20 Protocol Stack Development Experiments 161

20.1	Introduction 161
20.2	The Value Of Building A Stack 161
20.3	Summary 162

Part VI System Design In A Network System Engineering Lab 169

Chapter 21 Hardware And Software For A Network System Engineering Lab 171

21.1	Network Processors 171
21.2	Facilities Needed 172
21.3	Hardware For An Example Lab 172
21.4	A Network Processor Testbed 172
21.5	Software For The Example Lab 173
21.6	Relationship To Previous Lab Architectures 174
21.7	Summary 174

Chapter 22 Network Systems Engineering Experiments 175

22.1	Introduction 175
22.2	Summary 175

Index 195