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Performance and Fault Management by James M. Thompson, Kent J. Phelps, Robert L. Pavone, Christopher E. Elliott, Paul L. Della Maggiora

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Hardware Characteristics of Routers

The performance data you can gather for hardware in routers and switches is minimal. But one aspect of hardware that indirectly affects performance is effective backplane utilization versus backplane oversubscription. This is true, especially on the core high-end routers and switches, such as the 7513 router or 5500 switch, respectively. Physical card positioning in these devices is crucial for achieving optimal performance in the network. Because these devices are typically placed in the core portion of the network, it is important to understand the interdependencies between the card positioning and the backplane bus architecture of the device. By understanding the architecture and physical layout of the devices, ...

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