Comcast efficiently exams 10G cable modem community

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Comcast has efficiently examined 10G knowledge switch on its cable modem community. That’s a step on the highway to offering 10-gigabit-per-second web bandwidth in each instructions on its cable community.

Comcast mentioned its staff performed what it believes to be the world’s first take a look at of a 10G connection from the corporate’s community to a modem. To do that, the staff activated a virtualized cable modem termination system (vCMTS) powered by Full Duplex DOCSIS 4.0 know-how.

Elad Nafshi, senior vice chairman for subsequent era networks at Comcast Xfinity, mentioned in an interview with VentureBeat that the corporate has been engaged on 10G know-how over the previous 18 months with the purpose of delivering the subsequent era of velocity and efficiency to a whole lot of hundreds of thousands of individuals worldwide.

This week, the corporate is celebrating the milestone at its annual 10G occasion on the Virtual SCTE Cable-Tec Expo 2021 occasion. No matter you consider 10G, it sounds higher than 5G, which cell phone corporations are touting as competitors for broadband within the dwelling. Competing against new 5G networks isn’t straightforward for cable corporations as a result of cable networks have been designed a very long time in the past to deliver TV exhibits into the house, not the web, and never on the excessive speeds accessible right now.

Comcast has shown it can get 4Gbps duplex internet speeds.

Above: Again in April, Comcast confirmed it may get 4Gbps duplex web speeds.

Picture Credit score: Comcast

The large benefit of full duplex and different 10G applied sciences is that they may unlock multigigabit add and obtain speeds over connections already put in in houses worldwide, with out the necessity to dig up yards and neighborhoods throughout the nation.

This week’s demonstration, performed by technologists in Philadelphia and Denver, builds on the 10G milestones introduced in April and final October. Within the reside lab demonstration, Comcast was in a position to join the entire key community components essential to ship 10G alerts from its community to the neighborhoods and houses of shoppers.

I requested Nafshi after we may get a rollout of the know-how, however he mentioned he wasn’t in a position to give that estimate, as there’s a lengthy highway forward.

So as to full the complete connection, DOCSIS 3.1 modems have been configured to function within the FDX band. Comcast is working with tech companions to develop amplifiers to work within the DOCSIS 4.0 networks.

Again in April, Nafshi talked in regards to the first chips that would function nodes on the community.

“It’s fairly thrilling to see this stuff come collectively,” he mentioned.

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