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Top-Down Network Design (Networking Technology)by Priscilla Oppenheimer
Synopses & Reviews
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.
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
Top-Down Network Design
A systems analysis approach to enterprise network design
The authoritative book on designing networks that align with business goals
Top-Down Network Design, Third Edition, is a practical and comprehensive guide to designing enterprise networks that are reliable, secure, and scalable. The book uses a top-down approach to help you focus first on applications and user requirements before selecting devices, cabling, and other technologies to implement the network. The book takes you through an explanation of how to design networks that align with business goals so that the network can keep pace with changing user requirements.
This new edition provides a comprehensive look at enterprise network design and the different modules of an enterprise network. Using illustrations and real-world examples, the book covers campus network design, wireless networks, remote access, and wide-area connectivity. You learn how to analyze business and technical requirements and select topologies and technologies that are based on that analysis. A major focus is on security as network users become more mobile. You also develop an understanding of network performance factors and methods for building reliable networks that can scale as traffic loads increase.
This Third Edition includes updated and expanded material on wireless networks, virtual private networks (VPN), network security, network redundancy, modularity in network designs, dynamic addressing for IPv4 and IPv6, Ethernet scalability options (including 10-Gbps Ethernet, Metro Ethernet, and Long-Reach Ethernet), and networks that carry voice and data traffic. In addition you will learn how to build networks that can support real-time video, collaborative computing, and social networking tools and that adhere to the Cisco SAFE Security Reference Architecture.
Every chapter now includes a set of essay questions and design scenarios to give you a chance to practice what you have learned. The book also has a companion website at www.topdownbook.com, which includes updates to the book, links to white papers, and supplemental information about design resources.
This book is part of the Networking Technology Series from Cisco Press‚ which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.
Covers: Network Design
About the Author
Priscilla Oppenheimer has been developing data communications and networking systems since 1980 when she earned her master’s degree in information science from the University of Michigan. After many years as a software developer, she became a technical instructor and training developer and has taught more than 3000 network engineers from most of the Fortune 500 companies. Her employment at such companies as Apple Computer, Network General, and Cisco gave her a chance to troubleshoot real-world network design problems and the opportunity to develop a practical methodology for enterprise network design. Priscilla was one of the developers of the Cisco Internetwork Design course and the creator of the Designing Cisco Networks course. Priscilla teaches network design, configuration, and troubleshooting around the world and practices what she preaches in her network consulting business.
Table of Contents
Part I: Identifying Your Customer's Needs and Goals
1. Analyzing Business Goals and Constraints
2. Analyzing Technical Goals and Tradeoffs
3. Characterizing the Existing Internetwork
4. Characterizing Network Traffic
Part II: Logical Network Design
5. Designing a Network Topology
6. Designing Models for Addressing and Naming
7. Selecting Switching and Routing Protocols
8. Developing Network Security Strategies
9. Developing Network Management Strategies
Part III: Physical Network Design
10. Selecting Technologies and Devices for Campus Networks
11. Selecting Technologies and Devices for Enterprise Networks
Part IV: Testing, Optimizing, and Documenting Your Network Design
12. Testing Your Network Design
13. Optimizing Your Network Design
14. Documenting Your Network Design
Appendix. References and Recommended Reading
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