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Enterprise Data Center Design and Methodology by Rob Snevely

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Creating a Network Cabling Infrastructure

Imagine that you have a bunch of data center devices and they need to be connected to each other. You could connect them using individual cables for every connection. Chapter 4, “Determining Data Center Capacities” described a set of racks, 40 Sun Fire 6800 servers with 4 Sun StorEdge racks connected to each Sun Fire server. The RLU definition for a Sun StorEdge rack contained 8 multi-mode fibre connections (40 × 4 × 8, or 1,280 multi-mode fibre cables). This makes 1,280 fibre cables running under the floor just to support disk connectivity to these configurations. Let's say you also want to manage the Sun StorEdge T3 arrays in these racks over your network. You need another 1,280 Cat5 cables to just ...

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