In this chapter you learned about campus and data center network design, with a focus on the following topics:

■ The effects of the characteristics of the following on the campus network design:

— Application: Including peer-peer, client-local server, client-Server Farm, and client-Enterprise Edge server

— Environment: Including the location of the network nodes, the distance between the nodes, and the transmission media used

— Infrastructure devices: Including Layer 2 or multilayer switching, convergence time, type of multilayer switching, IP multicast, QoS, and load sharing

■ The design considerations and recommended practices for the Building Access layer, the Building Distribution layer, the Campus Core layer, the optional Edge Distribution module, and the Server Farm module.

■ Enterprise Data Center module design considerations, including an introduction to the general technologies and models used in Enterprise Data Center design.

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