NCregister | Citrix

Solving the ADC Market Share Riddle: Why Citrix NetScaler is Winning the Data Center

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About this Whitepaper

Quarterly market share reports usually make for dry reading, but Gartner Inc.’s recent application delivery controller market share report was something of an exception. Buried among its many facts and figures was evidence of an intriguing phenomenon: While other leading ADCs experienced declining or flat market share, Citrix NetScaler gained share consistently for six consecutive quarters from Q1 ’12 thru the most recent report in Q2 ’13.

The contrast between the quarter-over-quarter performance of NetScaler and that of products from longtime market leader F5 Networks Inc., of Seattle, was particularly striking. While NetScaler gained 9 percent of market share between the first and second quarters of 2012, then advanced 18 percent and 8 percent in the next two quarters, F5’s market share grew an anemic 1 percent between Q1 and Q2, and actually declined 7 percent and 4 percent, respectively, on a quarter-over-quarter basis in the following two reporting periods. In the first two quarters of 2013, the results are just as dramatic, with year-on-year growth for NetScaler showing massive product sale gains.