Cisco Global Cloud Index Projects Cloud Traffic To Dominate Data Centers
Cloud traffic will represent more than two-thirds of global data center traffic by 2017 and will grow more than fourfold from 2012 to 2017.
In the third annual Cisco® Global Cloud Index (2012 – 2017), Cisco forecasts that global cloud traffic, the fastest growing component of data center traffic, is expected to grow 4.5-fold — a 35% combined annual growth rate (CAGR) — from 1.2 zettabytes of annual traffic in 2012 to 5.3 zettabytes by 2017. Overall global data center traffic will grow threefold and reach a total of 7.7 zettabytes annually by 2017.
A zettabyte is one billion terabytes. For context, 7.7 zettabytes is equivalent to: