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High Availability Network Fundamentals by Chris Oggerino

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Designing Networks for Availability Goals

We have taken a fairly simple network, divided it into manageable scenarios, and performed the availability calculations for the different scenarios. The next problem is to take a look at those results and determine some methods for improving the availability of the network by making specific changes. To do this we must make a list of our goals. In Table 5-2, we describe the availability for our scenarios. The first column depicts the results of our network as specified. The second column includes the likely availability results one might get if they used a traditional method of purchasing a phone line for every phone in the building. The final column represents a goal we might set for our network using ...

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