Hands-On Networking with Internet Technologies

by Comer, Douglas E.

Edition: 2nd

ISBN13: 9780131443105

ISBN10: 0131443100

Format: Paperback

Pub. Date: 2004-01-01

Publisher(s): Pearson College Div

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Summary

For one/two-semester undergraduate courses in Computer Networking and Network Programming in Engineering and Computer Science. This clearly written and logically organized text allows students to gain a deeper understanding of computer networks and internets by asserting that the best way to learn is by doing: it allows for hands-on experience with a real network. Through experiments, students learn that interconnecting hardware, configuring software, measuring performance, observing protocols in action, and creating client-server programs over a network all help sharpen understanding. The text is organized into six sections that each consider a hardware platform, from the most basic to the most advanced, and outlines experiments that can be carried out using these platforms. This lab manual can be used with any computer networks textbook.

Author Biography

Douglas E. Comer is a professor at Purdue University, where he develops and teaches courses in computer networking and internetworking

Preface	p. xv
Introduction And Overview	p. 1
The Fundamental Need For A Laboratory	p. 1
The Spectrum Of Possible Lab Facilities	p. 1
A Word About Simulation	p. 3
Organization Of The Book	p. 3
A Single Computer
Hardware And Software On A Single Computer	p. 7
The Two Types Of Support And Their Uses	p. 7
Support For Network Access	p. 7
Support For Network Programming	p. 7
Recommendations	p. 8
Summary	p. 8
Using A Single Computer For Probing And Testing	p. 9
Using A Single Computer To Probe The Internet	p. 9
Using A Single Computer To Develop And Test Network Applications	p. 9
Stress Testing Applications With An Emulated Internet	p. 10
Transport Protocol Development On A Single Computer	p. 11
Summary	p. 12
Network Programming On A Set Of Shared Workstations
Hardware And Software For A Shared Workstation Lab	p. 15
Consequences Of Sharing	p. 15
Example Shared Lab Technologies	p. 15
Architecture Of A Shared Lab	p. 16
Using A Shared Lab In A Networking Course	p. 16
Broadcast Domain Assumption	p. 16
Summary	p. 17
Network Programming Experiments Using A Simplified API	p. 19
Introduction	p. 19
Obtaining Software For The API	p. 20
Compile, test, and extend example Echo software	p. 21
Compile, test, and extend example Chat software	p. 23
Build a simple file transfer service	p. 25
Network Programming Experiments Using The Socket API	p. 27
Introduction	p. 27
Information About Sockets	p. 27
A Note About The Difficulty Of Socket Programming	p. 28
Summary	p. 28
Compile, link, and run a socket program	p. 29
Write an echo client and server using sockets	p. 31
Build a web server using sockets	p. 33
Build a library for a network API	p. 35
Concurrent Network Programming Experiments	p. 37
Introduction	p. 37
Build a concurrent server (threads)	p. 39
Build a concurrent file transfer server (processes)	p. 41
Build a multiservice server	p. 43
Protocol Design Experiments	p. 45
Introduction	p. 45
Stress Testing Protocols	p. 45
Internet Emulation With A Gateway	p. 45
Emulation Behavior	p. 46
Gateway Details	p. 46
Gateway Registration Message	p. 47
Packet Exchange	p. 48
Error Processing	p. 49
Gateway Semantics And Defaults	p. 49
Possible Extensions	p. 50
Summary	p. 50
Build an internet emulation gateway	p. 51
Design a clock synchronization protocol	p. 53
Design a reliable data transfer protocol	p. 55
Design a sliding window protocol	p. 57
Experiments With Protocols From The TCP/IP Suite	p. 59
Introduction	p. 59
Difficulties And Rewards	p. 59
Summary	p. 60
Build a client for the Time protocol	p. 61
Build a domain name system client program	p. 63
Build a DHCP client	p. 65
Measurement And Packet Analysis On Augmented Workstations
Hardware And Software For An Augmented Shared Lab	p. 69
The Ideal Measurement Lab	p. 69
Alternatives To An Isolated Network	p. 69
Augmentation	p. 70
Protecting The Production Network	p. 70
Computers On A Private Network	p. 70
Summary	p. 71
Network Measurement Experiments	p. 73
Introduction	p. 73
Measuring Throughput	p. 73
Summary	p. 73
Compile and test ttcp	p. 75
Measure 10 and 100 Mbps network throughput	p. 77
Compare throughput of a switch and a hub	p. 79
Packet Capture And Analysis Experiments	p. 81
Introduction	p. 81
Promiscuous Mode And Hubs	p. 81
Manual Packet Inspection	p. 81
Summary	p. 82
Capture and decode ethernet frames	p. 83
Decode an IP header	p. 85
Decode TCP segment headers	p. 87
Build a packet analyzer	p. 89
Protocol Observation Experiments	p. 91
Introduction	p. 91
Protocol Sequences At Each Layer	p. 91
Summary	p. 91
Capture and reassemble IP fragments	p. 93
Extract data from a TCP stream	p. 95
Observe concurrent TCP connections	p. 97
Configuration Experiments In A Dedicated Intranet Lab
Hardware And Software For A Dedicated Intranet Lab	p. 101
Dedicated Vs. Production Facilities	p. 101
Characteristics Of A Dedicated Intranet Lab	p. 101
Example Equipment In A Dedicated Lab	p. 102
Summary	p. 102
Internet Address Configuration Experiments	p. 103
Introduction	p. 103
Organization Of Chapters	p. 103
Summary	p. 103
Configure IP addresses	p. 105
Assign fixed-length IP subnet addresses	p. 107
Assign IP addresses using CIDR	p. 109
Web Technology Configuration Experiments	p. 111
Introduction	p. 111
Web Technologies	p. 111
Summary	p. 112
Configure an Apache web server	p. 113
Download and configure a Squid cache	p. 115
Configure and test a web load balancer	p. 117
IP Routing And IP Forwarding Experiments	p. 119
Introduction	p. 119
Indirect Vs. Direct Observation	p. 119
Summary	p. 119
Use netstat to examine a routing table	p. 121
Use SNMP to probe a routing table	p. 123
Configure and run rip software	p. 125
Configure and run OSPF software	p. 127
Virtual And Protected Internet Environment Experiments	p. 129
Introduction	p. 129
Flexible Abstractions	p. 129
Summary	p. 129
Configure a DNS server	p. 131
Install and configure a NAT box	p. 133
Install and configure a VPN	p. 135
Protocol Stack Implementation In A Special-Purpose Lab
Hardware And Software For A Special-Purpose Protocol Development Lab	p. 139
Introduction	p. 139
The Need For Two Computers	p. 139
Front-End and Back-End Computers In A Lab	p. 140
Functional Requirements	p. 140
An Example Architecture	p. 141
Operation Of the Author's Lab	p. 142
Automated Recovery	p. 143
Organization Of The Lab Software	p. 144
Reset Controller Hardware	p. 145
Scaling The Architecture	p. 146
Virtual Lab	p. 147
Summary	p. 148
Further Details	p. 148
Protocol Stack Development Experiments	p. 149
Introduction	p. 149
The Value Of Building A Stack	p. 149
Summary	p. 150
Interface with a network device driver	p. 151
Build an IP forwarding mechanism	p. 153
Implement an IP router	p. 155
System Design In A Network System Engineering Lab
Hardware And Software For A Network System Engineering Lab	p. 159
Network Processors	p. 159
Facilities Needed	p. 160
Hardware For An Example Lab	p. 160
A Network Processor Testbed	p. 160
Software For The Example Lab	p. 161
Relationship To Previous Lab Architectures	p. 162
Summary	p. 162
Network Systems Engineering Experiments	p. 163
Introduction	p. 163
Compile and dowhload network processor code	p. 165
Implement packet classification with a network processor	p. 167
Index	p. 169
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