Chapter 2. Establishing a High-Availability Network
This chapter covers the following topics:
• Understanding the Five-Nines Availability Debate
• A Practical Approach to Achieving High Availability
The aim of building a resilient IP network is to achieve high availability. This chapter takes a closer look at the issues surrounding IP network availability. Understanding these issues is crucial because it will help you focus on what is really important in achieving high availability for the network.
Understanding the Five-Nines Availability Debate
A term that is always associated with availability is five nines. Most network managers use it in their procurement specification, and most vendors print it on their product brochure. You will often ...
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