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To: Angela who wrote (2481)12/14/1997 3:35:00 AM
From: pat mudge  Respond to of 6180
 
Angela --

Background on ADSL/DMT
alcatel.com
PPP= Point to Point Protocol
IP = Internet Protocol

White paper on ATM over ADSL:
alcatel.com

<<<HIGH SPEED ADSL INTEROPERABILITY MODEL AVAILABLE FROM ALCATEL, CISCO, FORE SYSTEMS, MICROSOFT, U.S.ROBOTICS, AND WESTELL

NEW ORLEANS, LOUISIANA, June 3, 1997 - At SUPERCOMM'97, Microsoft today announced the collaboration with industry leading companies Alcatel, Cisco Systems, FORE Systems, U.S. Robotics and Westell, to advance broadband service interoperability by defining an architecture for PPP over ATM over ADSL (Asymmetric Digital Subscriber Line). The
group made available a white paper on the topic, "An Interoperable End-to-end Broadband Service Architecture over ADSL Systems," which is available for download at microsoft.com, Microsoft's SUPERCOMM web site. The goal of the high-speed access collaboration is to speed ADSL deployment by defining a scalable, standards based architecture. This blueprint is designed to meet the needs of both the infrastructure providers as well as the ease-of-use and quality of service goals of the customer.

The multi-vendor, open approach provides flexibility for carriers and enterprise customers and provides a clear development path for Independent Software Vendors. A key objective for the consortium is the adoption of the architecture by standards bodies in this area. Broadband technologies like ADSL are important to businesses and residential customers because of their increased dependency on the Internet.This in turn provides tremendous demand and opportunity for the services offered by carriers, ISPs, and other service providers.

At the same time, customers are demanding high speed access at both corporate and residential locations. Higher speed access becomes critical as businesses of all sizes consider how to use the Internet to reach new or more targeted markets, provide effective telecommuting and home office opportunities for employees, or for consumers who are using the Internet as a new source of information, entertainment, and education.

ADSL technology, which utilizes the existing copper telephone wiring serving virtually all homes and businesses, will enable customers to interact with data networks and the Internet at speeds up to 150 times faster than even today's most advanced 56 kbps modems will allow. Since the technology utilizes a new frequency range on existing phone lines, a customer will be able to make and receive telephone calls at the same time they use his data connection. Basing this architecture on the Point to Point Protocol (PPP) and ATM is important because PPP is the standard for Internet access and remote connectivity (telecommuting). ATM is being used in the core network of public network operators. "This is a collaborative effort by Microsoft and industry partners to enhance high-speed access to the Internet and corporate networks," said Craig Mundie, senior vice president, Microsoft Consumer Platforms Division. "Microsoft has worked extensively on developing practical and implementable networking standards, including ADSL to provide high bandwidth
access to remote users."

Service provider and standards body leaders added their support to the value of emerging ADSL technology: "GTE's experience with ADSL from our various trials has been overwhelmingly positive, and we are convinced that both business and residential customers will benefit from using ADSL," said Lew Wilks, president of GTE's new national sales, service and marketing unit. "We applaud Microsoft and the other companies who have teamed up to proactively advance ADSL deployment by defining a scalable architecture that balances the needs of our infrastructure and customer applications."

"This collaboration among industry leaders confirms the viability of using DMT-based ADSL for a variety of home and business services," said John Shelnutt of the ADSL Forum Board of Directors. "The ADSL Forum is working in conjunction with software vendors, equipment manufacturers and service providers to ensure rapid and easy adoption of ADSL services. As a result, we foresee widespread deployment by the end of 1998."

Tom Starr, a senior technical staff member at Ameritech said, "To speed deployment of ADSL services vendors need to provide ADSL solutions that fit into the existing infrastructure. We must work with the protocols used by our customers and service providers. Equally important is the scalability of the architecture to provide enhanced bandwidth and tiered service." >>>

Glossary from ATM Forum:
atmforum.com

Glossary from ADSL Forum:
adsl.com