Questioning to G.fast’s commercial requirement

Ideas and discussions: Budde & Renai LeMay

  Whether to launch G.Fast commercially? how, and when it might want to deploy the technology? Our customers are unsure if…

  The question raised by all these people is whether the end result will be better and cheaper than the original ‘do it once, do it good’ FTTH approach.

Can G.fast deliver gigabit speed?

  The NBN (national broadband network) in Australia evaluated this technology for a possible project that will cover the country in 2020. The G.fast technology uses a copper infrastructure in the last few hundred meters to the customer premises, for speeds close 1 Gigabit per second.

  The G.fast testing technology network is conducting a deployment of broadband nationwide using a combination of technology according to the extension of this country, which will provide affordable connections with download speeds of ultra-wideband of at least 25 Megabits per second (Mbps) at 8 million units, and at least 50 Mbps to 90% of the units with connections fixed access in 2020.

Is G.fast flexible to deploy or upgrade?

  The G.fast technology enables telecos and service providers to increase the speed of transmission in traditional copper telephone lines.
  The G.Fast standard effectively gives telcos such as the NBN company who are upgrading existing copper networks a great deal of flexibility in terms of their infrastructure.   The operators or service providers could deploy G.Fast in apartment buildings simply by installing new equipment in their basement, or deploy it to a group of houses via a Fibre to the Distribution Point model, where fibre is extended further into the copper network.
  “G.Fast really allows us to remove the need to actually enter premises to deliver ultra-fast speeds…”

G.fast: more hype than reality?

  Budde: it may be worth proceeding with the original Fibre to the Premises model instead, which offers a much less complex model, without the compromises involved in a broadband rollout based partially on copper.

  Renai LeMay’s opinion on G.Fast: I’m currently researching the situation and hope to provide an informed view at some point. It’s a relatively new standard, and the field trials are also new — so I am seeking to weigh the evidence before I come down on one side or the other on this one.

  Let’s summarily predict, by that time most of the developed world will have moved even further towards FTTH and in one way or another G.Fast will have to fit into that final picture.

Multi-technology mix application is the trend

  NBN is using a combination of technologies to meet their specific deployment needs, including a significant component solutions fiber to the node (FTTN) and fiber to the building (FTTB) using VDSL Vectoring, fiber to the premises (FTTP ) and hybrid fiber and coaxial (HFC) and fixed network technologies, wireless networks and satellite.

FTTH plus G.fast Multi-technology mix application

FTTH plus G.fast Multi-technology mix application

  As the diagram shown, the G.fast technology, integrated with ONU (Optical Network Unit) or other type CPE (Customer Premises Equipment) in existing access network infrastructure, will be easily accelerate the deployment in the last mile of FTTH ultra-wideband connections.

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