Cisco predicts nearly 5Zb of IP traffic per anum by 2022

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Annual state of the Internet study finds IoT, new users, video surveillance and IP WANs driving growth

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28 November 2018 | 0

Cisco foresees a massive build-up of IP traffic – 4.8 zettabytes per year by 2022, more than three-times the 2017 rate, led by the increased use of IoT device traffic, video and sheer number of new users coming onboard.

The company also says there will be 4.8 billion internet users by 2022, up from 3.4 billion in 2017.Those predictions are from Cisco’s Visual Networking Index, (VNI) its annual look at the state of the Internet culled from actual network traffic reports and independent analyst forecasts.

It says that since 1984 over 4.7 zettabytes of IP traffic have flowed across networks, but that is just a hint of what is coming. By 2022, more IP traffic will cross global networks than in all prior “internet years” combined up to the end of 2016. In other words, more traffic will be created in 2022 than in the first 32 years since the internet started, Cisco says. (An exabyte is 1 billion gigabytes and a zettabyte is a thousand exabytes.)

Machine to machine growth
One of the more telling facts of the new VNI is the explosion of machine-to-machine and IoT traffic. For example, M2M modules account for 3.1% of IP traffic in 2017, but will be 6.4% of IP traffic by 2022, said Thomas Barnett, director of service-provider thought leadership at Cisco. By 2022, M2M connections will be 51% of the total devices and connections on the Internet.

A slew of applications from smart meters, video, healthcare monitoring, smart car communications and more will continue to contribute to a significant growth in traffic. What that means is that customers and service providers will need to secure and manage M2M traffic in new and better ways Barnett said.

WAN explosion
There are also some interesting numbers around the software-defined WAN and overall IP WAN arenas. For example, Cisco VNI says that globally:

  • SD-WAN traffic was 9% of business IP WAN traffic in 2017, and will be 29% of business IP WAN traffic by 2022.
  • SD-WAN traffic will grow five-fold from 2017 to 2022, a compound annual growth rate of 37%.
  • Business IP WAN traffic will double from 2017 to 2022, a compound annual growth rate of 9%, and IP WAN traffic will reach 5.3 exabytes per month by 2022, the equivalent of 1 billion DVDs per month, or 2 million DVDs per hour.
  • Business IP WAN traffic was 3.6 exabytes per month in 2017, the equivalent of 889 million DVDs per month, or 1 million DVDs per hour
  • Business IP WAN traffic grew 17% in 2017 and IP WAN traffic was 3% of total IP traffic in 2017, and will be 1% of total IP traffic by 2022.
  • Business IP WAN traffic was 16% of business IP traffic in 2017, and will be 8% of business IP traffic by 2022.

While growth of devices and traffic are significant, the speed of the networks driving most of this growth is going up as well.

“Broadband-speed improvements result in increased consumption and use of high-bandwidth content and applications. The global average broadband speed continues to grow and will double from 2017 to 2022, from 39.0 Mbps to 75.4 Mbps,” Cisco said.

Globally, the average mobile network connection speed in 2017 was 8.7 Mbps. The average speed will more than triple to 28.5 Mbps by 2022.

“A crucial factor promoting the increase in mobile speeds over the forecast period is the increasing proportion of fourth-generation (4G) mobile connections. The effect of 4G connections on traffic is significant, because 4G connections, which include mobile WiMAX and Long-Term Evolution (LTE), generate a disproportionate amount of mobile data traffic,” Cisco said.

Wi-Fi range
Then there is Wi-Fi. The average Wi-Fi network connection speed (24.4 Mbps in 2017) will exceed 54.2 Mbps by 2022. North America will experience the highest Wi-Fi speeds, 83.8 Mbps, by 2022, Cisco said.

Other predictions from the VNI:

  • Globally there will be nearly 18.3 billion IPv6-capable fixed and mobile devices by 2022, up from nearly 6 billion in 2017, a CAGR of 26%. In terms of percentages, 64% of all fixed and mobile networked devices will be IPv6-capable by 2022, up from 32% in 2017.
  • Looking to 2022, if 60% of IPv6-capable devices are actively connected to an IPv6 network, the forecast estimates that globally IPv6 traffic would amount to 132 EB per month, or 38% of total Internet traffic.
  • Live Internet video has the potential to drive large amounts of traffic as it replaces traditional broadcast viewing hours. Live video already accounts for 5% of Internet video traffic and will grow 15-fold to reach 17% by 2022.
  • Video surveillance traffic is booming. IT uploads continuously from homes and small businesses to the cloud. It accounts for 2% of Internet video traffic today and will grow 7-fold to reach 3% by 2022. If use of video surveillance blossoms, they will generate a significantly more traffic, since Internet-enabled cameras can produce up to 300 GB per camera per month.
  • Globally, PCs will account for 4% (1.2 billion) of all networked devices by 2022, compared to 8% (1.4 billion) in 2017, (-2.5% CAGR). Tablets will account for 3% (790.2 million) of all networked devices by 2022, compared to 3% (615.6 million) in 2017, (5.1% CAGR). Smartphones will account for 24% (6.7 billion) of all networked devices by 2022, compared to 24% (4.3 billion) in 2017, (9.2% CAGR).

 

 

IDG News Service

 

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