Core Layer
Implementing a data center core is a best practice for large data centers. When the core is implemented in an initial data center design, it helps ease network expansion and avoid disruption to the data center environment. The following drivers are used to determine whether a core solution is appropriate:
40 and 100 Gigabit Ethernet density: Are there requirements for higher bandwidth connectivity, such as 40 or 100 Gigabit Ethernet? With the introduction of the Cisco Nexus 7000 M-2 Series of modules, the Cisco Nexus 7000 Series switches can now support much higher bandwidth densities.
10 Gigabit Ethernet density: Without a data center ...
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