ADTRAN Doubles G.fast Speed with Dynamic Time Allocation
October 18 2016 - 5:35AM
Business Wire
New SD-Access innovation acts as bandwidth
valve; auto-adjusting upstream and downstream ratios in response to
user application behaviour, accelerating Gigabit services
ADTRAN®, Inc., (NASDAQ: ADTN), a leading provider of
next-generation open networking solutions, today announced the
availability of a new capability for G.fast deployments – Dynamic
Time Allocation (DTA) – that allows subscribers to maximize the
total bandwidth of a G.fast connection by transmitting data
upstream or downstream intelligently to provide a fibre to the home
(FTTH) user experience. ADTRAN has been demonstrating this
innovation to operators globally for low crosstalk G.fast
environments, providing operators an alternative to installing Cat
6, Cat5e or fibre optic cable to provide symmetric Gigabit data
rates.
DTA disrupts the concept of Time Division Duplex (TDD) used by
G.fast and other broadband access technologies which, until now,
have been based on the “set-and-forget” configuration of uplink and
downlink ratios (either symmetric or some degree of asymmetric) at
the G.fast distribution point unit (DPU). DTA responds to user
activity in the order of milliseconds, equipping the user with full
stream broadband performance while giving the perception of a full
capacity symmetric broadband experience. This approach achieves up
to double the speed of an equivalent symmetric G.fast broadband
service delivered without DTA. In instances where simultaneous
upstream and downstream transmission is required, DTA responds as
appropriate.
“ADTRAN G.fast customers have a unique opportunity to
differentiate their services with an intelligent, new
software-defined networking capability that meets dynamic customer
demand with maximum performance,” said Ronan Kelly, CTO for EMEA
and APAC at ADTRAN. “With DTA, configuration symmetry is
irrelevant. Operators can deploy responsive broadband for the first
time, bursting to the full bandwidth potential of the subscriber
connection in either direction. This fibre-like capability takes
G.fast performance to a new level, matched only by the advanced
optics standards such as NG-PON2 and XGS-PON.”
DTA is suitable for low crosstalk environments such as single
pairs or coaxial cable. Available as a software feature on its 500G
series of G.fast solutions, the new DTA capability is set to be
deployed by a Tier 1 U.S. operator during its G.fast rollout later
this year.
“G.fast technology has accelerated, both in terms of the first
phase of standards completion and in product development. Chipsets
are on the market and an increasing number of Communications
Service Providers (CSPs) are conducting trials,” wrote Ian Keene,
research vice president at Gartner. “Initial commercial deployments
are expected in 2016 and shipments are forecast to ramp up during
2017. This fast pace of technology development has been driven by
CSP demand; many are attracted by the possibility of high bandwidth
services that can meet today's demands without the cost and time
delays of pulling fiber all the way into the home.” 1
1 Gartner, Market Guide for Fixed Line Broadband Access
Equipment, 16 December 2015
About ADTRAN
ADTRAN, Inc. is a leading global provider of networking and
communications equipment. ADTRAN’s products enable voice, data,
video and Internet communications across a variety of network
infrastructures. ADTRAN solutions are currently in use by service
providers, private enterprises, government organizations, and
millions of individual users worldwide. For more information,
please visit www.adtran.com.
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Cohesive for ADTRANJon Bawden/Jacob Petterson+44 (0) 1291
626200adtran@wearecohesive.com
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