Thirty-five years after it first came to life, today’s Internet comprises thousands of public and private networks, across Transport Complexitywhich more than 4.7 zettabytes of IP traffic have flowed globally, according to the Cisco Visual Networking Index. To put that figure into perspective, that traffic is equal to all the movies ever produced crossing the world’s IP networks in less than a minute.

The Cisco report projects that by 2022, 60 percent of the global population, or 4.8 billion people, will be Internet users, up from 3.4 billion just two years ago. Moreover, 28 billion devices and connections will be online, with video making up more than 80 percent of all IP traffic. In North America alone, network traffic will grow threefold, at a compound annual growth rate (CAGR) of 21 percent, or 108 exabytes per month.

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