CircleID: The recent Cisco Annual Internet Report for 2018–2023 had one chart that I found intriguing. The purpose of Cisco’s report is to look at the future of broadband usage, and the report included a chart showing the amount of bandwidth needed for various web functions. To me, this list was reminiscent of the list that the FCC made in 2015 when they set the definition of broadband at 25/3 Mbps — except that all of the items on this list require more bandwidth than the functions the FCC foresaw just five years ago.
I think Cisco’s point is that we find ways to use more broadband when it’s available. Most of the items on this list are already in use today, with the last few on this expected in the near future.
4K security cameras – 16 Mbps
Streaming 4K Video – 16 Mbps
Virtual Reality Streaming – 17 Mbps
Self-Driving Car Diagnostics (done when your car pulls into the driveway) – 20 Mbps
Cloud Gaming – 30 Mbps
Streaming 8K Video – 51 Mbps
8K Wall TV – 100 Mbps
Online HD Virtual Reality – 167 Mbps
Online 8K Virtual Reality – 500 Mbps
Cisco notes that these functions have become viable for the public as the amount of bandwidth to homes has grown. Anybody with broadband speeds of 125 Mbps or faster should be able to use all except the last few services. In the US, many homes now have Internet speeds in this range as Comcast, Charter, and the other big cable companies have increased basic speeds to 100–200 Mbps homes with the introduction of DOCSIS 3.1. Charter increased my home last year from 60 Mbps to 135 Mbps.
4K security cameras have been on the market for a few years. They provide enough resolution to clearly identify people at the front door or outside a factory. The 16 Mbps bandwidth application is needed to upload video images into the cloud or to view the camera feed remotely over the web. Interestingly, a 4K security camera ought to have a fast upload speed to work properly — something that is still lacking for most cable company connections.
The web is now full of 4K videos on Netflix, Amazon Prime, YouTube and elsewhere. There are already web sites doing virtual reality streaming.
The self-driving car diagnostics is an interesting category. My wife’s 2019 Subaru already connects to the web every time she pulls into the driveway. This connection is likely not at 20 Mbps, but her car is doing diagnostics and uploading the results of driving to Subaru and also making driving statistics available to us.
Cloud gaming is already here, although most applications are streaming at 4K or slower speeds. However, since several of the game companies have migrated online, the intensity and bandwidth needed for games are expected to increase, and Cisco pegs that at needed a 30 Mbps connection. What this speed requirement doesn’t tell you is that kids that routinely run several games simultaneously.
Bandwidth needs really shoot up for 8k video at 51 Mbps per stream. 8K content is already widely available on YouTube and other websites. 8K TVs have been around for a few years. Their prediction of 100 Mbps for an 8K TV assumes multiple simultaneous streams — something that sports fans routinely do.
Cisco also lists two near-future applications that will be real bandwidth hogs. They estimate that HD virtual reality done online will require 167 Mbps. They set 8K virtual reality as needing 500 Mbps. These functions are going to need faster broadband connections than what most homes have today. However, OpenVault reports that the number of US homes subscribing to a gigabit connection doubled in 2019 to 2.8% of all households. As that number keeps growing, there will finally be a market for applications that need giant bandwidth. For years the industry has searched for gigabit applications, but nobody developed them since there have been so few homes that could use them. 8K virtual reality would bring true immersive virtual reality into the home — but ISPs are going to hate it. They love selling gigabit connections, but they don’t really expect homes to use that much bandwidth.
Written by Doug Dawson, President at CCG ConsultingFollow CircleID on TwitterMore under: Access Providers, Broadband
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