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Chapter 6 presents the various approaches to achieving high-availability network designs, including trade-offs and recommendations. We describe various techniques, provide some detailed configuration examples of the different ways to connect servers to the edge switches, and touch on how data center switches can be configured for increased availability, as shown in FIGURE 1-8. The material in Chapter 6 is based on actual customer experiences and has proven to be quite valuable to the network architect. We describe the following Layer 2 approaches:
Figure 1-8. Availability Strategies in the Data CenterThe following Layer 3 strategies are described:
The advantages and disadvantages will be described, along with suggestions on which approach makes sense for which situation. |
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