Product Description
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, source-route switching, Inter-Switch Link (ISL), IGRP, Enhanced IGRP, OSPF, and BGP4
- Effectively incorporate new technologies into a network design, including cable modems, DSL, Gigabit Ethernet, and VPNs
Top-Down Network Design 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.
From the Author
Why I wrote this book and what I hope it can do for youI decided to write this book when it became clear to me that the craft of computer system design can and should be applied to computer network design. After seeing many inexperienced network designers jump immediately into implementation -- before analyzing requirements and developing a logical design -- I decided to write a book that applies structured systems analysis techniques to network design. In this book I present a systematic design process that I have successfully used with my clients. The process involves identifying user communities and applications, analyzing network performance and QoS goals, characterizing network traffic, and selecting appropriate protocols and technologies based on business and technical goals. By applying the techniques taught in the book, you can develop networks with the capacity and scalability to support the exciting new applications of the next millennium.
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