A data-center network architecture. The data-center network architecture incorporates a front end having an aggregation layer exhibiting integrated service-module intelligence. A server farm connects the front end with a storage network. In a specific embodiment, the aggregation layer includes plural interconnected multilayer switches incorporating service-module intelligence implemented via one or more service modules. Plural layer-2 switches communicate with the plural multilayer switches. The server farm includes one or more servers that are dual homed or multihomed with the plural layer-2 switches. The storage network includes plural interconnected multilayer directors and one or more Fibre Channel hosts using Host Bus Adapters (HBAs) that interface one or more data-storage devices to the server farm.

 
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