Global IP traffic to hit 3.3 zettabytes by 2021

Global IP traffic will triple between 2016 and 2021 to reach 3.3 zettabytes per year, according to Cisco's 12th annual Visual Networking Index (VNI), published on Thursday.That compares to 1.2 zettabytes – equivalent to 1.2 trillion gigabytes &ndash…read more on TotalTele.com »