[opendtv] News: Broadband Speed to Jump 10-Fold
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: OpenDTV Mail List <opendtv@xxxxxxxxxxxxx>
- Date: Sat, 4 Jun 2005 07:21:17 -0400
http://www.internetnews.com/infra/article.php/3509676
June 2, 2005
Broadband Speed to Jump 10-Fold
By Sean Michael Kerner
There was a time not so long ago when a T1 at 1.54 Mbps was enough
bandwidth for almost anyone. Not anymore.
The International Telecommunication Union (ITU) has just ratified the
VDSL2 (Very-high-bit-rate Digital Subscriber Line 2) standard, which
is intended to reach downstream and upstream rates of up to 100Mbps.
The current top ADSL standard reaches speeds of 10Mbps, with many
U.S.-based DSL carriers offering residential customers DSL speeds of
3Mbps to 5Mbps.
The ITU expects that VDSL2 will allow DSL operators to offer a "super
triple play" of video, Internet and voice services that compete with
services offered by satellite and cable operators. They include HDTV,
VoIP (define) and videoconferencing.
Beyond its blazing speed, the VDSL2 standard is supposed to be
interoperable with existing carrier DSL equipment, with service
delivery still based on the ubiquitous standard copper telephone
cable.
"This new standard is set to become an extremely important feature of
the telecommunications landscape, and is a landmark achievement for
our members, many of whom are relying on this recommendation to take
their businesses to the next level," said Yoichi Maeda, chairman of
the ITU Telecommunications Standardization Sector, which is the study
group responsible for the work.
According to a recent report by DSL Forum, a consortium of service
providers and equipment manufacturers, there are now more than 100
million DSL subscribers worldwide.
In 2004 alone, 35.5 million new global DSL subscribers were added to
carriers, 16 million of whom were based in North America.
The DSL Forum expects that with the new VDSL2 standard in tow, speeds
of 25Mbps will become available to most consumers with 100Mbps
available on short loops.
"With vendors' implementation of this new ITU-T Recommendation,
service providers can offer even more high quality, advanced services
using DSL technology," said Michael Brusca, chairman of the DSL
Forum, in a statement. "It represents another essential element in
the delivery of universal broadband access for multiple applications
in every region of the world and demonstrates the continuing dynamic
development of the technology."
Carriers appear to be jumping on the VDSL2 bandwagon already.
Yesterday BellSouth announced that it would be using VDSL2
technologies to upgrade the systems that it has installed over the
last decade.
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