An exploration of the standard that the author hopes will be the "next big thing" in Internet telephony. The author traces the history of the acronym-happy industry to its humble beginnings in the days when humans did the switching to show the evolution of the technology. Along the way he covers the architecture of the public switched telephone network (PSTN), digitizing the PSTN, ISDN, packet switching, the xDSL family of technologies, and HDSL 1 and 2. The second half of the book covers ASDL, DSLAM, VDSL, international issues and xDSL, and current issues in DSL. Appends information about the online ADSL Forum. Annotation c. by Book News, Inc., Portland, Or.
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Walter Goralski has more than 30 years of experience in the data communications field, including 14 years with AT&T. He is currently a Senior Course Developer and instructor at Juniper Networksï¿. Walter has spent 15 years as an Adjunct Professor at Pace University Graduate School, where he designed and deployed their graduate program in telecommunications. Walter is a longstanding member of the IEEE, has written articles in numerous industry publications, and is the best-selling author of SONET, Second Edition and several other books on ADSL, VoIP, ATM and frame relay
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