news Cisco has unveiled a royalty-free design for a Full Duplex DOCSIS specification that it claims will produce upload speeds of up to 10 Gbps.
Full Duplex DOCSIS is a rapidly developing technology that is expected to bring fibre optic broadband speeds to older HFC copper networks, and offers the possibility for cable operators to support symmetrical (equal speeds for both uploads and downloads) cable Internet services and video.
In a statement, the firm said that, over two years, more than 20 of its engineers have developed a validated reference design for a digital echo canceler that “maximises” the use of HFC capacity.
The team has designed a multi-slice scalable echo canceler (EC) for the Full Duplex DOCSIS specification that integrates with the Cable Modem Termination System (CMTS) architecture.
Notably, the technology can be scaled to provide upload speeds ranging from 200 MHz (1.7 Gbps) to 1.2 GHz (10 Gbps), Cisco said.
“By making this royalty-free design available to the industry, we can help our cable customers evolve to more rapidly deploy virtualized, fibre-deep, and all-IP infrastructures,” said John Chapman, Cisco Fellow and CTO, Cable Access Business.
“We hope to accelerate the transformation of the cable industry to deliver multi-gigabit speeds and new high bandwidth services and products, and in the near future, customers can begin to enjoy the benefits of Full Duplex DOCSIS technology,” Chapman said.
The new technology was first demonstrated at the private CableLabs Summer Conference in Keystone, Colorado, on August 9.
Cisco said that, by deploying an architecture leveraging Full Duplex DOCSIS technology, business and residential customers can access multi-gigabit speeds without waiting for fibre services to be offered in their area.
Further, cable operators can avoid the cost of replacing their existing HFC infrastructure with fibre to the premises (FTTP) and instead invest in delivering new services such as faster Internet, faster uploads of 4K video, and more.
“DOCSIS 3.1 Full Duplex with up to 50 times more upstream capacity than today and echo cancellation technology, is further evidence that DOCSIS and the cable network itself has a long, useful life ahead,” said Jeff Finkelstein, Executive Director, Network Strategy, Cox Communications.
“The work being done on Full Duplex by the MSO, vendor and CableLabs team shows that the cable network will continue to evolve and deliver high bandwidth services for many years, enabling our customers to enjoy the services most important to them to meet their future needs,” he said.
Dr Robert Howald, Vice President, Network Architectures, Comcast, commented: “Full Duplex represents an important evolutionary step for DOCSIS 3.1, and we are actively participating with CableLabs and industry partners on this key initiative.”