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Top-Down Network Design / Edition 2
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Top-Down Network Design / Edition 2

by Priscilla Oppenheimer
 

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ISBN-10: 1587051524

ISBN-13: 9781587051524

Pub. Date: 05/31/2004

Publisher: Cisco Press

Objectives

The purpose of Top-Down Network Design, Third Edition, is to help you design networks that meet a customer’s business and technical goals. Whether your customer is another department within your own company or an external client, this book provides you with tested processes and tools to help you understand traffic flow, protocol behavior, and

Overview

Objectives

The purpose of Top-Down Network Design, Third Edition, is to help you design networks that meet a customer’s business and technical goals. Whether your customer is another department within your own company or an external client, this book provides you with tested processes and tools to help you understand traffic flow, protocol behavior, and internetworking technologies. After completing this book, you will be equipped to design enterprise networks that meet a customer’s requirements for functionality, capacity, performance, availability, scalability, affordability, security, and manageability.

Audience

This book is for you if you are an internetworking professional responsible for designing and maintaining medium- to large-sized enterprise networks. If you are a network engineer, architect, or technician who has a working knowledge of network protocols and technologies, this book will provide you with practical advice on applying your knowledge to internetwork design.

This book also includes useful information for consultants, systems engineers, and sales engineers who design corporate networks for clients. In the fast-paced presales environment of many systems engineers, it often is difficult to slow down and insist on a top-down, structured systems analysis approach. Wherever possible, this book includes shortcuts and assumptions that can be made to speed up the network design process.

Finally, this book is useful for undergraduate and graduate students in computer science and information technology disciplines. Students who have taken one or two courses in networking theory will find Top-Down Network Design, Third Edition, an approachable introduction to the engineering and business issues related to developing real-world networks that solve typical business problems.

Changes for the Third Edition

Networks have changed in many ways since the second edition was published. Many legacy technologies have disappeared and are no longer covered in the book. In addition, modern networks have become multifaceted, providing support for numerous bandwidth-hungry applications and a variety of devices, ranging from smart phones to tablet PCs to high-end servers. Modern users expect the network to be available all the time, from any device, and to let them securely collaborate with coworkers, friends, and family. Networks today support voice, video, high-definition TV, desktop sharing, virtual meetings, online training, virtual reality, and applications that we can’t even imagine that brilliant college students are busily creating in their dorm rooms.

As applications rapidly change and put more demand on networks, the need to teach a systematic approach to network design is even more important than ever. With that need in mind, the third edition has been retooled to make it an ideal textbook for college students. The third edition features review questions and design scenarios at the end of each chapter to help students learn top-down network design.

To address new demands on modern networks, the third edition of Top-Down Network Design also has updated material on the following topics:

— Network redundancy

— Modularity in network designs

— The Cisco SAFE security reference architecture

— The Rapid Spanning Tree Protocol (RSTP)

— Internet Protocol version 6 (IPv6)

— Ethernet scalability options, including 10-Gbps Ethernet and Metro Ethernet

— Network design and management tools

Product Details

ISBN-13:
9781587051524
Publisher:
Cisco Press
Publication date:
05/31/2004
Series:
Networking Technology Series
Edition description:
REV
Pages:
566
Product dimensions:
7.62(w) x 9.36(h) x 1.54(d)

Table of Contents

Introductionxxv
Part IIdentifying Your Customer's Needs and Goals3
Chapter 1Analyzing Business Goals and Constraints5
Using a Top-Down Network Design Methodology5
Analyzing Business Goals10
Analyzing Business Constraints21
Business Goals Checklist24
Summary25
Chapter 2Analyzing Technical Goals and Tradeoffs27
Scalability27
Availability29
Network Performance35
Security49
Manageability54
Usability55
Adaptability55
Affordability56
Making Network Design Tradeoffs57
Technical Goals Checklist59
Summary60
Chapter 3Characterizing the Existing Internetwork63
Characterizing the Network Infrastructure63
Checking the Health of the Existing Internetwork76
Tools for Characterizing the Existing Internetwork89
Network Health Checklist92
Summary93
Chapter 4Characterizing Network Traffic95
Characterizing Traffic Flow95
Characterizing Traffic Load105
Characterizing Traffic Behavior111
Characterizing Quality of Service Requirements119
Network Traffic Checklist128
Summary128
Summary for Part I128
Part IILogical Network Design131
Chapter 5Designing a Network Topology133
Hierarchical Network Design133
Redundant Network Design Topologies145
Modular Network Design148
Designing a Campus Network Design Topology150
Designing the Enterprise Edge Topology170
Secure Network Design Topologies180
Summary182
Chapter 6Designing Models for Addressing and Naming185
Guidelines for Assigning Network Layer Addresses186
Using a Hierarchical Model for Assigning Addresses197
Designing a Model for Naming209
Summary217
Chapter 7Selecting Switching and Routing Protocols221
Making Decisions as Part of the Top-Down Network Design Process222
Selecting Bridging and Switching Protocols223
Selecting Routing Protocols234
A Summary of IP, AppleTalk, and IPX Routing Protocols261
Summary264
Chapter 8Developing Network Security Strategies267
Network Security Design267
Security Mechanisms271
Modularizing Security Design278
Summary295
Chapter 9Developing Network Management Strategies299
Network Management Design299
Network Management Processes300
Network Management Architectures305
Selecting Protocols for Network Management307
Selecting Tools for Network Management312
Summary315
Summary for Part II315
Part IIIPhysical Network Design317
Chapter 10Selecting Technologies and Devices for Campus Networks319
LAN Cabling Plant Design320
LAN Technologies325
Selecting Internetworking Devices for a Campus Network Design341
An Example of a Campus Network Design344
Summary360
Chapter 11Selecting Technologies and Devices for Enterprise Networks363
Remote-Access Technologies364
Selecting Remote-Access Devices for an Enterprise Network Design374
WAN Technologies377
An Example of a WAN Design389
Summary397
Summary for Part III398
Part IVTesting, Optimizing, and Documenting Your Network Design401
Chapter 12Testing Your Network Design403
Using Industry Tests404
Building and Testing a Prototype Network System405
Tools for Testing a Network Design412
An Example of a Network Design Testing Scenario416
Summary427
Chapter 13Optimizing Your Network Design429
Optimizing Bandwidth Usage with IP Multicast Technologies430
Reducing Serialization Delay435
Optimizing Network Performance to Meet Quality of Service Requirements437
Cisco Internetwork Operating System Features for Optimizing Network Performance444
Summary455
Chapter 14Documenting Your Network Design457
Responding to a Customer's Request for Proposal458
Contents of a Network Design Document460
Summary469
Appendix ACharacterizing Network Traffic When Workstations Boot471
Appendix BReferences and Recommended Reading479
Glossary483
Index535

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