Chapter 2, "Establishing a High-Availability Network," takes a closer look at the real meaning of network resiliency and suggests a practical approach to tackling the "five-nines" availability challenge.
Chapter 3, "Fundamentals of IP Resilient Networks," serves as a refresher to the TCP/IP protocols and the various hardware and switching implementations that affect network resiliency. It also proposes a modular approach to solving the network resiliency problem.
Chapter 4, "Quality of Service," examines the relevancy of quality of service (QoS) with respect to network resiliency. Different QoS models and queuing techniques are examined, and a practical approach to a QoS architecture is presented.
Chapter 5, "Core Module" examines the enhancements made to the various Interior Gateway Protocols to improve the resiliency of a network backbone.
Chapter 6, "Access Module," showcases the design guide for a resilient campus access network. Enhancements to the relevant protocol and first-hop gateways are highlighted.
Chapter 7, "Internet Module," focuses on resilient connectivity to the Internet. Improvements to the Exterior Gateway Protocol and addressing and routing solutions for redundancy are highlighted.
Chapter 8, "WAN Module," showcases improvements made to the various traditional WAN connectivity technologies.
Chapter 9, "Data Center Module," examines factors that influence data center network design. It highlights new technologies and a design guide to constructing the data center to support new application requirements.
Chapter 10, "Beyond Implementation: Network Management," looks at what more needs to be done beyond the basic configuration of hardware and routing protocols in a resilient IP network. The concept of proactive management is proposed, and the various supporting features are introduced.
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