Comcast tests 4Gbps speeds that could ramp up your internet

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Comcast has revealed a major development in its goal of delivering 10 gigabit per second (Gbps) internet speeds for broadband users.

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telecom giant announced That it has successfully tested a prototype 10G modem, which will use technology that will eventually enable multi-gigabit speeds.

An internet speed test showing increasing speeds.
Alexander Shirokov/123RF

Testing was conducted in a laboratory via a full-duplex DOCSIS 4.0 System-on-a-Chip (SoC) cable modem. The broadband firm said the result was faster upload and download speeds than 4Gbps.


Specifically, the technology behind DOCSIS 4.0 will be able to deliver multi-gigabit upload and download speeds through connections that already exist in “hundreds of millions of homes around the world.”

Due to developers working on “every level” of the 10G architecture, Internet speeds are expected to “significantly increase” beyond the 4Gbps mark in the future. Comcast has yet to confirm a launch schedule for its 10G modem when such technology will arrive for broadband users.

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However, the company insisted that it has been working on 10G technology for over a year now. In October 2021, Comcast completed successful testing of a 10G connection via a Virtualized Cable Modem Termination System (vCMTS) powered by DOCSIS 4.0 technology. Before that milestone was the first live lab test of 10G SoC in April 2021. In October 2020, a test provided 1.25Gbps upload and download speeds through a combination of Network Function Virtualization (NFV) and the latest DOCSIS technology.

As the latest milestone, Comcast’s modem testing combined with two cable modem chips used a DOCSIS 4.0 FDX SoC device from April 2021. These were later connected to vCMTS operating in DOCSIS 4.0 mode over a laboratory-based hybrid fiber-coaxial network. As a result, Comcast said its most recent test represents the first full network connection of all-Doxys 4.0 components that are needed for deployment purposes.

“The great strength of our smart network design is that we are able to exceed the demands of our customers today, even as we are constantly evolving to meet the needs of the future,” said Comcast Cable in Technology, Products, Experience President Charlie Herrin said. , “As our 10G journey continues to accelerate, customers will benefit from ever-increasing security, reliability and speed.”

Elad Nafshi, Senior Vice President of Next Generation Access Networks at Comcast Cable, said, “With each new milestone, we get a clearer picture of how 10G technology will unlock the next generation of speed and performance for millions of people worldwide. “

While 10Gbps internet speeds are being prepared for launch in the coming years, you may have to wait much longer for the fastest internet speeds ever recorded to arrive in your home. Scientists at the National Institute of Information and Communication Technology of Japan A staggering 319 terabits per second speed achieved in 2021.

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