Network And Design

Top-Down Network Design

Third Edition

Priscilla Oppenheimer

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.

• Learn a network design process that results in networks that perform well, provide security, and scale to meet growing demands for bandwidth
• Develop network designs that provide the high bandwidth and low delay required for real-time applications such as multimedia, distance learning, videoconferencing, teleprescene, virtual communities, and IP telephony
• Master techniques for checking the health of an existing network to develop a baseline for measuring performance of a new network design
• Explore solutions for meeting QoS requirements, including IETF controlled-load and guaranteed services, IP multicast, and advanced switching, queuing, and routing algorithms
• Identify the advantages and disadvantages of various switching and routing protocols, including Rapid Spanning Tree Protocol (RSTP), IEEE 802.1Q, EIGRP, OSPF, and BGP4

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.

Category: Networking

Covers:  Network Design

• Networking concepts explained plainly with emphasis on how networks work together
• Practical solutions backed up with examples and case studies
• Balance of topics reflects modern environments
• Instructor and Student book site support including motivational courseware

This is the eBook version of the printed book. If the print book includes a CD-ROM, this content is not included within the eBook version.

A systems analysis approach to enterprise network design

• Master techniques for checking the health of an existing network to develop a baseline for measuring performance of a new network design
• Explore solutions for meeting QoS requirements, including ATM traffic management, IETF controlled-load and guaranteed services, IP multicast, and advanced switching, queuing, and routing algorithms
• Develop network designs that provide the high bandwidth and low delay required for real-time applications such as multimedia, distance learning, and videoconferencing
• Identify the advantages and disadvantages of various switching and routing protocols, including transparent bridging, Inter-Switch Link (ISL), IEEE 802.1Q, IGRP, EIGRP, OSPF, and BGP4
• Effectively incorporate new technologies into enterprise network designs, including VPNs, wireless networking, and IP Telephony

Top-Down Network Design, Second Edition, is a practical and comprehensive guide to designing enterprise networks that are reliable, secure, and manageable. Using illustrations and real-world examples, it teaches a systematic method for network design that can be applied to campus LANs, remote-access networks, WAN links, and large-scale internetworks.

You will learn to analyze business and technical requirements, examine traffic flow and QoS requirements, and select protocols and technologies based on performance goals. You will also develop an understanding of network performance factors such as network utilization, throughput, accuracy, efficiency, delay, and jitter. Several charts and job aids will help you apply a top-down approach to network design.

This Second Edition has been revised to include new and updated material on wireless networks, virtual private networks (VPNs), network security, network redundancy, modularity in network designs, dynamic addressing for IPv4 and IPv6, new network design and management tools, Ethernet scalability options (including 10-Gbps Ethernet, Metro Ethernet, and Long-Reach Ethernet), and networks that carry voice and data traffic.

Top-Down Network Design, Second Edition, has a companion website at http://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.

Social networks and online communities are reshaping the way people communicate, both in their personal and professional lives. What makes some succeed and others fail? What draws a user in? What makes them join? What keeps them coming back? Entrepreneurs and businesses are turning to user experience practitioners to figure this out. Though they are well-equipped to evaluate and create a variety of interfaces, social networks require a different set of design principles and ways of thinking about the user in order to be successful.

Design to Thrive presents tried and tested design methodologies, based on the author's decades of research, to ensure successful and sustainable online communities -- whether a wiki for employees to share procedures and best practices or for the next Facebook. The book describes four criteria, called "RIBS," which are necessary to the design of a successful and sustainable online community. These concepts provide designers with the tools they need to generate informed creative and productive design ideas, to think proactively about the communities they are building or maintaining, and to design communities that encourage users to actively contribute.

• Provides essential tools to create thriving social networks, helping designers to avoid common pitfalls, avoid costly mistakes, and to ensure that communities meet client needs






• Contains real world stories from popular, well known communities to illustrate how the concepts work








• Features a companion online network that employs the techniques outlined in the book