DOCSIS 3.1 Brings 10 Gbps Downstream, 1 Gbps Upstream to Cable Modems
 

CableLabs, the research and development company behind the evolving DOCSIS standard, announced it has completed its Full Duplex DOCSIS 3.1 specification, which significantly increases upstream capacity. The updated spec enables a theoretical peak upload speed of 10Gbps, matching the 10Gbps download capability of the DOCSIS 3.1 spec. More importantly, the update paves the way for symmetric multi-gigabit services over existing hybrid fiber-coaxial (HFC) technology. "In the United States, more than 90 percent of households are connected to an HFC network, and consumers typically have higher download speeds than upload speeds," said Phil McKinney, president and chief executive officer of CableLabs. "By enabling Full Duplex DOCSIS, the upstream and downstream traffic can flow at up to 10 Gigabits concurrently, doubling the efficiency of spectrum use." In current DOCSIS networks, spectrum is typically split between the upstream and downstream, or spectrum is shared between upstream and downstream traffic.

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