Technicolor's Karel Adriaensen Offers Insights into Next Generation of Telco Broadband Access Technologies: Close-up on G.Fast and 10G-PON
The real sweet spot for 10G-PON is when there is a "greenfield" opportunity – such as when a new community is being built, and there is no pre-existing infrastructure in place that can bring connectivity to these new homes. The situation is different in a "brownfield" scenario, such as when NSPs are planning network upgrades in the middle of an established community. In this scenario, G.Fast technology comes in to play very well.
G.Fast, he explains, is going through interesting evolutions since the industry took this technology through its first prototypes only a few years ago.
"Since then we have gone through many trials, and the technology has really matured and is now ready for mass deployment. Starting in 2018, we expect to see the first commercial deployments of first generation G.Fast technology, bringing 1 gigabit per second (Gbps) performance to this decade's old legacy infrastructure,"
At the same time, a second generation of G.Fast technology – G.Fast 212 – is being developed that makes use of the 212 Megahertz spectrum. This will allow network service providers (NSPs) to double the throughput that can be achieved over the conventional copper wire to 2 Gbps.
"Meanwhile, on the fiber optic side of the equation, we are seeing dramatic progress in improving the performance of passive optical networking (PON) technologies with the introduction of fiber solutions that can deliver 10 Gbps capabilities,"
Telcos have observed with interest how cable NSPs have adopted Data Over Cable Service Interface Specification (DOCSIS) technologies, first with DOCSIS 3.0 and most recently with DOCSIS 3.1 – which allows cable providers to deliver performance that -- in some cases – exceeds that 1 Gbps threshold.
"So the telcos had to react and respond. Telco NSPs have done so by developing 10G-PON technology. Moving comprehensively to this technology will, of course, require several years to achieve, but the process is already in motion," says Adriaensen.
The real sweet spot for 10G-PON, he explains, is when there is a "greenfield"
"10G-PON is a very attractive solution that has the added advantage of being future-proof for decades to come," he says.
The situation is different in a "brownfield"
"In this scenario, G.Fast technology comes in to play very well. The idea here is to bring fiber as close as you can to the end user, and then make the transition to the copper that is already in place by using G.Fast to bring high-speed capabilities into the living unit," says Adriaensen.
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Page Updated Last on: Oct 25, 2017