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To: Skiawal who wrote (8818)1/6/1998 9:43:00 PM
From: Skiawal  Respond to of 21342
 
Definately Woth Reading...MSFT, Gates, WSTL Quoted!!!

Bigger Bandwidth on Deck

New DSL technologies promise multi-megabit Internet access.

(12/04/97) -- This year has seen the emergence of at least half a dozen
new kinds of devices to access the Internet; scores of new tools for
creating, posting, and viewing content; and increased demand for
Internet-based multimedia. As a result, the need for speedier
connections is all the more apparent. At Fall Comdex, both Microsoft
chairman Bill Gates and Compaq chief Eckhard Pfeiffer pointed to the
newest high-speed technology on the horizon: Digital Subscriber Line
(DSL). Both see DSL taking off in the next five to ten years.

The collection of high-speed technologies, known generically as xDSL,
promises superfast Internet access--up to 160 times as fast as with
56-Kbps modems, depending on the type of DSL technology. And because DSL
works with existing copper telephone wires, it requires less upgrading
of telephone companies' networks than some other broadband solutions.
That's really good news, according to Gates. He singled out Asymmetric
Digital Subscriber Line (ADSL) as more advantageous than many other
upcoming bandwidth solutions, because it doesn't require a whole new
infrastructure.

Industry analysts agree. "The [DSL] technologies have a tremendous
amount of potential," says Lee Doyle, an analyst with market research
firm International Data Corp. "Any technology that you can use to speed
up Internet access with existing copper wires is good."

Business First
Whereas cable modems are targeted at the consumer market, DSL will be
more prevalent among businesses, largely because of the high cost. A
consumer spends upwards of several hundred dollars a month for DSL, many
times the cost of analog modem service. As a result, neither technology
is expected to overtake analog modems anytime soon. In fact, neither
cable nor DSL modems are expected to grab more than 5 percent of the
Internet access market in the next five years, says Doyle.

"The most promising flavor of the DSL family is ADSL, because of its
effectiveness over long distances," comments Mark Meudt, a spokesperson
for DSL equipment maker Westell Technologies. ADSL provides downstream
bandwidth (bandwidth directed to you) of up to 8 Mbps and upstream data
rates (for data directed away from you) of up to 1 Mbps. Since ADSL uses
a dedicated Internet connection--no dial-up connection is
required--subscribers get continuous connections.

Like cable modems, ADSL modems lack an industry standard, although
several are in the works. Two versions of ADSL are Discrete Multitone
(DMT) and Carrierless Amplitude Phase (CAP). Both will become standards,
but DMT will be first, says Meudt. Westell plans to have the first DMT
modems on the market soon after a standard is reached, hopefully within
the next few months.

Limited Deployment
Limited deployment of DSL is taking place on both coasts. Thorn
Communications Inc., an Internet service provider based in New York
City, has been offering DSL to subscribers since the fall. Working with
a realty company that owns and manages buildings around the city, Thorn
wired several buildings for DSL--specifically Rate Adaptive Digital
Subscriber Line (RADSL), an ADSL variation that lets a telephone company
adjust a link's bandwidth according to demand. Thorn charges $400 to
$600 per month and offers 2.56-Mbps throughput.

GTE Communications, a newly formed local exchange carrier and unit of
GTE Corp., has begun commercial deployment of ADSL in southern
California. The company's ADSL OnSite services up to 1,000 residential
units at the Mariners Village apartment complex in Marina Del Rey. The
complex's telephone equipment room is outfitted with RADSL modems, a
Cisco Ethernet switch, and Cisco 2500 Series routers to direct data
between the Internet (over a T1 line) and subscribers. Each subscriber's
apartment has an ADSL modem. GTE's consumer service costs $125 per
month, plus a $250 installation fee. The cost for businesses rises to
$700 per month, plus a $500 installation fee.

To help telephone carriers install DSL quickly and easily, modem maker
Rockwell Semiconductor Systems and telecommunications company Northern
Telecom are offering their own solution, which doesn't require rewiring
in the central office. It uses Rockwell's new Consumer Digital
Subscriber Line chip set and Nortel's 1-Meg Modem network equipment.--
Angela Hickman

zdnet.com