NCregister | Citrix

The Active Advantage: Why Networking Leaders Are Embracing ADC Clustering

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About this Whitepaper

Few people outside IT know much about application delivery controllers, the Swiss army knife appliances that perform load balancing, caching, SSL ofﬂoading, and a host of other vital data center tasks. Almost everyone inside IT, though, understands exactly how essential ADCs are to network uptime and performance.

"They're one of the most critical parts of the data center. You've got all your applications going through them," says Graham Melville, director of product marketing at Citrix Systems Inc., of Santa Clara, Calif. In fact ADCs play such and important role in network operations that for years most organizations have deployed them in high-availability (HA) "active-passive pairs," in which one unit actively provids services whie the second sits passively in the standby mode, ready to leap into action should the primary device fail.