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High Availability Network Fundamentals by Chris Oggerino

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Scenario 1 of The Small ISP Example

With an idea of the data flow through our network, we have been able to determine a few scenarios. As we learned in Chapter 5, “Predicting End-to-End Network Availability: The Divide-and-Conquer Method,” we will use the divide-and-conquer method. We will divide the scenario into smaller parts. Then we will combine the results of those parts together.

When we finish with this scenario, you will see that many of the results will be used in Scenario 2.

System Level Calculations for Scenario 1

Now that we know how the devices are connected together as depicted in the RBD in Figure 7-2, we can perform the system level calculations for Scenario 1. Because there are a variety of ways these types of systems can be ...

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