Nearly 80 percent of all global data traffic now consists of video, according to Cisco.
By perhaps 2021, all traffic on global IP networks--save 18 percent--will consist of video, according to Cisco.
About 58 percent of downstream traffic on the global internet is video streaming content. Web traffic is about 17 percent of total, while gaming represents about eight percent of total downstream traffic.
Upstream traffic is dominated by video (especially user-generated video), web interactions and file sharing.
Also, net traffic growth is happening on private networks, rather than public networks.
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