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Comcast says gigabit downloads and uploads are now possible over cable
January 2, 2021

Comcast says gigabit downloads and uploads are now possible over cable

Comcast’s cable Web nonetheless has a heavy emphasis on obtaining speeds, as even its gigabit downloads service solely comes with 35Mbps uploads. However, that is probably not the case ceaselessly, as as we speak Comcast introduced a “technical milestone” that may ship gigabit-plus obtain and add speeds over current cable wires. Particularly, Comcast stated it... Read More

Comcast’s cable Web nonetheless has a heavy emphasis on obtaining speeds, as even its gigabit downloads service solely comes with 35Mbps uploads. However, that is probably not the case ceaselessly, as as we speak Comcast introduced a “technical milestone” that may ship gigabit-plus obtain and add speeds over current cable wires.

Particularly, Comcast stated it performed “a trial delivering 1.25Gbps upload and download speeds over a live production network using Network Function Virtualization (NFV) combined with the latest DOCSIS Technology.” Comcast put in the service at a house in Jacksonville, Florida, the place “the technology team consistently measured speeds of 1.25 Gbps upload and 1.25Gbps download over the connection.”

The speeds have been delivered over a hybrid fiber-cable community, with the coaxial cable offering the ultimate connection into the house. That is nothing new—Comcast has been utilizing each fiber and cable for years, however, Comcast stated the trial benefitted from the corporate’s “ongoing effort to extend fiber further into neighborhoods.” Usually, symmetrical gigabit speeds require a fiber-to-the-home connection. However many extra properties have cable than fiber, so asymmetrical gigabit know-how may very well be deployed sooner if it does not require bringing fiber all the way in which to every construction.

Comcast, the nation’s largest broadband supplier, didn’t say when (or whether or not) asymmetrical 1.25Gbps service will go on sale. For now, extra testing is required. “In the coming weeks, Comcast will expand the trial to more homes as we continue to test the performance of the service under multiple different homes and network environments,” the corporate stated.

Count on a protracted transition

Symmetrical add and obtain speeds on cable networks are possible due to updates to DOCSIS (Duplex Knowledge Over Cable Service Interface Specification), the cable-industry commonplace. These sorts of upgrades take years to achieve prospects, although. A “full-duplex” model of DOCSIS that helps obtain and add speeds of 10Gbps was finalized in October 2017, and a model supporting 10Gbps downloads and 1Gbps uploads was launched in 2013.

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Comcast stated its symmetrical 1.25Gbps trial required an “advanced architecture” that features “software-powered networking technologies, including digital fiber optics, ‘Remote PHY’ digital nodes, and a cloud-based, virtualized cable modem termination system platform (vCMTS).”

Comcast does already present multi-gigabit downloads and uploads by its fiber-to-the-home service, however, the all-fiber community doesn’t prolong throughout the corporate’s whole cable service space. Comcast launched a symmetrical 2Gbps all-fiber service in 2015 for $300 a month and as much as $1,000 in startup charges.

Comcast in 2018 stated its 2Gbps service was accessible to 18 million properties, however, we could not discover any affords for the 2Gbps service on Comcast’s web site as we speak. Comcast’s gigabit webpage says you must name the corporate to ask about getting multi-gigabit speeds.

My name is Edgar, have worked for the Technology market industry for 4 years. Technology news grasp my attention the most. In early days, I started my journey with an ordinary author. Moving forward with great hard work and passion I achieve a higher position. Email [email protected]
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