Cisco Visual Networking Index - Forecast and Methodology, 2007–2012
June 16, 2008

• In 2012, the total annual volume of IP traffic will reach half a zettabyte.
• IP traffic will nearly double every two years through 2012. Total IP traffic will increase by a factor of six from 2007 to 2012.
• Last year was a year of phenomenal growth in IP and Internet traffic. Total IP traffic grew 55 percent during 2007, and is estimated to grow by 63 percent in 2008. Internet traffic grew 46 percent in 2007, and is estimated to increase 51 percent in 2008.
• Traffic from all applications grew in volume in 2007, but the traffic mix shifted considerably.
• Internet video will account for 50 percent of all consumer Internet traffic in 2012. Non-Internet IP video will increase more rapidly than consumer Internet.

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