Since more than 80 percent of all traffic originates or terminates indoors, and since the mobile phone now is the Internet access device of first choice, it perhaps is no longer surprising that, in 2015, Wi-Fi offload traffic from mobile devices exceeded 4G mobile traffic.
By 2018, Wi-Fi traffic is set to exceed all 2G, 3G and 4G cellular traffic combined, according to ABI Research.
That has implications for the value of the fixed network, which increasingly is backhaul for Internet traffic, including untethered traffic consumed by smartphone users at home, in the office and elsewhere.
In-building wireless data traffic will grow at a double-digit rate to reach 53 exabytes per month worldwide in 2020, ABI Research says.
The Asia-Pacific region will continue to consume almost half of the worldwide in-building wireless traffic through 2018.
The other important role for the fixed network is a delivery mechanism for entertainment video, consumed on premises by a variety of devices ranging from TVs to game players to smartphones.
Indeed, as more video traffic moves to “on demand” Internet formats, it is hard to separate the backhaul function from the video delivery function.
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