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The Great Telecom Meltdown for a Listing of Recent Titles in the Artech House Telecommunications Library, Turn to the Back of This Book
The Great Telecom Meltdown For a listing of recent titles in the Artech House Telecommunications Library, turn to the back of this book. The Great Telecom Meltdown Fred R. Goldstein a r techhouse. com Library of Congress Cataloging-in-Publication Data A catalog record for this book is available from the U.S. Library of Congress. British Library Cataloguing in Publication Data Goldstein, Fred R. The great telecom meltdown.—(Artech House telecommunications Library) 1. Telecommunication—History 2. Telecommunciation—Technological innovations— History 3. Telecommunication—Finance—History I. Title 384’.09 ISBN 1-58053-939-4 Cover design by Leslie Genser © 2005 ARTECH HOUSE, INC. 685 Canton Street Norwood, MA 02062 All rights reserved. Printed and bound in the United States of America. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Artech House cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. International Standard Book Number: 1-58053-939-4 10987654321 Contents ix Hybrid Fiber-Coax (HFC) Gave Cable Providers an Advantage on “Triple Play” 122 RBOCs Took the Threat Seriously 123 Hybrid Fiber-Coax Is Developed 123 Cable Modems -
Telecommunication Switching Networks
TELECOMMUNICATION SWITCHING AND NETWORKS TElECOMMUNICATION SWITCHING AND NffiWRKS THIS PAGE IS BLANK Copyright © 2006, 2005 New Age International (P) Ltd., Publishers Published by New Age International (P) Ltd., Publishers All rights reserved. No part of this ebook may be reproduced in any form, by photostat, microfilm, xerography, or any other means, or incorporated into any information retrieval system, electronic or mechanical, without the written permission of the publisher. All inquiries should be emailed to [email protected] ISBN (10) : 81-224-2349-3 ISBN (13) : 978-81-224-2349-5 PUBLISHING FOR ONE WORLD NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS 4835/24, Ansari Road, Daryaganj, New Delhi - 110002 Visit us at www.newagepublishers.com PREFACE This text, ‘Telecommunication Switching and Networks’ is intended to serve as a one- semester text for undergraduate course of Information Technology, Electronics and Communi- cation Engineering, and Telecommunication Engineering. This book provides in depth knowl- edge on telecommunication switching and good background for advanced studies in communi- cation networks. The entire subject is dealt with conceptual treatment and the analytical or mathematical approach is made only to some extent. For best understanding, more diagrams (202) and tables (35) are introduced wherever necessary in each chapter. The telecommunication switching is the fast growing field and enormous research and development are undertaken by various organizations and firms. The communication networks have unlimited research potentials. Both telecommunication switching and communication networks develop new techniques and technologies everyday. This book provides complete fun- damentals of all the topics it has focused. However, a candidate pursuing postgraduate course, doing research in these areas and the employees of telecom organizations should be in constant touch with latest technologies. -
The People Who Invented the Internet Source: Wikipedia's History of the Internet
The People Who Invented the Internet Source: Wikipedia's History of the Internet PDF generated using the open source mwlib toolkit. See http://code.pediapress.com/ for more information. PDF generated at: Sat, 22 Sep 2012 02:49:54 UTC Contents Articles History of the Internet 1 Barry Appelman 26 Paul Baran 28 Vint Cerf 33 Danny Cohen (engineer) 41 David D. Clark 44 Steve Crocker 45 Donald Davies 47 Douglas Engelbart 49 Charles M. Herzfeld 56 Internet Engineering Task Force 58 Bob Kahn 61 Peter T. Kirstein 65 Leonard Kleinrock 66 John Klensin 70 J. C. R. Licklider 71 Jon Postel 77 Louis Pouzin 80 Lawrence Roberts (scientist) 81 John Romkey 84 Ivan Sutherland 85 Robert Taylor (computer scientist) 89 Ray Tomlinson 92 Oleg Vishnepolsky 94 Phil Zimmermann 96 References Article Sources and Contributors 99 Image Sources, Licenses and Contributors 102 Article Licenses License 103 History of the Internet 1 History of the Internet The history of the Internet began with the development of electronic computers in the 1950s. This began with point-to-point communication between mainframe computers and terminals, expanded to point-to-point connections between computers and then early research into packet switching. Packet switched networks such as ARPANET, Mark I at NPL in the UK, CYCLADES, Merit Network, Tymnet, and Telenet, were developed in the late 1960s and early 1970s using a variety of protocols. The ARPANET in particular led to the development of protocols for internetworking, where multiple separate networks could be joined together into a network of networks. In 1982 the Internet Protocol Suite (TCP/IP) was standardized and the concept of a world-wide network of fully interconnected TCP/IP networks called the Internet was introduced. -
BCIS 1305 Business Computer Applications
BCIS 1305 Business Computer Applications BCIS 1305 Business Computer Applications San Jacinto College This course was developed from generally available open educational resources (OER) in use at multiple institutions, drawing mostly from a primary work curated by the Extended Learning Institute (ELI) at Northern Virginia Community College (NOVA), but also including additional open works from various sources as noted in attributions on each page of materials. Cover Image: “Keyboard” by John Ward from https://flic.kr/p/tFuRZ licensed under a Creative Commons Attribution License. BCIS 1305 Business Computer Applications by Extended Learning Institute (ELI) at NOVA is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted. CONTENTS Module 1: Introduction to Computers ..........................................................................................1 • Reading: File systems ....................................................................................................................................... 1 • Reading: Basic Computer Skills ........................................................................................................................ 1 • Reading: Computer Concepts ........................................................................................................................... 1 • Tutorials: Computer Basics................................................................................................................................ 1 Module 2: Computer -
Tymnet Is Born
The Bang! • August 1949 • Soviet RDS-1 • Valley Committee – Chair: George Valley • Technology R&D – Advanced RADAR – Advanced Computers – Advanced Networking • Boxcars of Cash The MIT Whirlwind Whirlwind was fitted with Core memory in 1953 as a part of the SAGE development project to develop something better than electrostatic memory. 22000 Sq Ft, 250 tons SAGE (Semi-Automatic Ground Environment) Enormous Comm. Network • Modems • Telephones • Fax Machines • Teleprinters • Radar Ckts Four Story Blockhouses • 3.5 acres of floor space • Hardened for 34 kPa overpressure • Two Computers in Duplex, each fills one floor, plus supporting equipment • Generators in smaller building • Enough Air Conditioning to cool 500 Arizona homes in summer, the electricity used would power 250 homes. Then Came Sputnik • US Defense Community reacted and threw even more money at Rand Corp and MIT and other think tanks, seeking a hardened network for military communications • ARPA began working on ARPANET Civilian Spin-offs - SABRE • Research proposal in 1953 • First system online in 1960 Civilian Spin-offs • ERMA – Electronic Recording Machine, Accounting • Bank of America and SRI • First ERMA system came online in 1959 Exploratory Demonstrations May 1965, Dave and Tom departed GE to work full-time on their dream Tymshare Associates Their business market is the science and engineering community around the South Bay Area Tymshare Incorporated • With funding in hand, the computer is ordered – Funded by $250,000 loan from BofA and SBA – Planned to use GE (Dartmouth -
Strategic Alliances in the Telecommunications Industry - the Case of Korea Telecom
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by KDI School Archives STRATEGIC ALLIANCES IN THE TELECOMMUNICATIONS INDUSTRY - THE CASE OF KOREA TELECOM - By Hae-Chul LEE THESIS Submitted to KDI School of International Policy and Management in partial fulfillment of the requirements for the degree of MASTER OF STRATEGY AND INTERNATIONAL MANAGEMENT 1999 TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES Chapter 1 INTRODUCTION · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 1.1 Background and Purpose of the Study · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 1.2 Organization of the Study· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 Chapter 2 LITERATURE REVIEW ON STRATEGIC ALLIANCES· · · · · · · · · · 3 2.1 Concept of Strategic Alliances · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3 2.2 Motivation of Strategic Alliances · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 6 2.3 Types of Strategic Alliances · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9 Chapter 3 STRATEGIC ALLIANCES IN THE WORLD TELECOM INDUSTRY· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 12 3.1 Characteristics of Strategic Alliances in the Telecom Industry· · · · · · · · · · 12 3.2 The Impact of Deregulation and Structural Change · · · · · · · · · · · · · · · · · · 17 3.3 Future Direction of Strategic Alliances· · · · · · · · · · · · · · · · · · -
The Great Telecom Meltdown
4 The Internet Boom and the Limits to Growth Nothing says “meltdown” quite like “Internet.” For although the boom and crash cycle had many things feeding it, the Internet was at its heart. The Internet created demand for telecommunications; along the way, it helped create an expectation of demand that did not materialize. The Internet’s commercializa- tion and rapid growth led to a supply of “dotcom” vendors; that led to an expec- tation of customers that did not materialize. But the Internet itself was not at fault. The Internet, after all, was not one thing at all; as its name implies, it was a concatenation [1] of networks, under separate ownership, connected by an understanding that each was more valuable because it was able to connect to the others. That value was not reduced by the mere fact that many people overesti- mated it. The ARPAnet Was a Seminal Research Network The origins of the Internet are usually traced to the ARPAnet, an experimental network created by the Advanced Research Projects Agency, a unit of the U.S. Department of Defense, in conjunction with academic and commercial contrac- tors. The ARPAnet began as a small research project in the 1960s. It was pio- neering packet-switching technology, the sending of blocks of data between computers. The telephone network was well established and improving rapidly, though by today’s standards it was rather primitive—digital transmission and switching were yet to come. But the telephone network was not well suited to the bursty nature of data. 57 58 The Great Telecom Meltdown A number of individuals and companies played a crucial role in the ARPAnet’s early days [2]. -
Notes on the History of Fork-And-Join Linus Nyman and Mikael Laakso Hanken School of Economics
Notes on the history of fork-and-join Linus Nyman and Mikael Laakso Hanken School of Economics As part of a PhD on code forking in open source software, Linus Nyman looked into the origins of how the practice came to be called forking.1 This search led back to the early history of the fork system call. Having not previously seen such a history published, this anecdote looks back at the birth of the fork system call to share what was learned, as remembered by its pioneers. The fork call allows a process (or running program) to create new processes. The original is deemed the parent process and the newly created one its child. On multiprocessor systems, these processes can run concurrently in parallel.2 Since its birth 50 years ago, the fork has remained a central element of modern computing, both with regards to software development principles and, by extension, to hardware design, which increasingly accommodates parallelism in process execution. The fork system call is imagined The year was 1962. Melvin Conway, later to become known for “Conway’s Law,”3 was troubled by what seemed an unnecessary inefficiency in computing. As Conway recalls:4 I was in the US Air Force at the time – involved with computer procurement – and I noticed that no vendor was distinguishing between “processor” and “process.” That is, when a proposal involved a multiprocessor design, each processor was committed to a single process. By late 1962, Conway had begun contemplating the idea of using a record to carry the status of a process. -
A History of the Personal Computer Index/11
A History of the Personal Computer 6100 CPU. See Intersil Index 6501 and 6502 microprocessor. See MOS Legend: Chap.#/Page# of Chap. 6502 BASIC. See Microsoft/Prog. Languages -- Numerals -- 7000 copier. See Xerox/Misc. 3 E-Z Pieces software, 13/20 8000 microprocessors. See 3-Plus-1 software. See Intel/Microprocessors Commodore 8010 “Star” Information 3Com Corporation, 12/15, System. See Xerox/Comp. 12/27, 16/17, 17/18, 17/20 8080 and 8086 BASIC. See 3M company, 17/5, 17/22 Microsoft/Prog. Languages 3P+S board. See Processor 8514/A standard, 20/6 Technology 9700 laser printing system. 4K BASIC. See Microsoft/Prog. See Xerox/Misc. Languages 16032 and 32032 micro/p. See 4th Dimension. See ACI National Semiconductor 8/16 magazine, 18/5 65802 and 65816 micro/p. See 8/16-Central, 18/5 Western Design Center 8K BASIC. See Microsoft/Prog. 68000 series of micro/p. See Languages Motorola 20SC hard drive. See Apple 80000 series of micro/p. See Computer/Accessories Intel/Microprocessors 64 computer. See Commodore 88000 micro/p. See Motorola 80 Microcomputing magazine, 18/4 --A-- 80-103A modem. See Hayes A Programming lang. See APL 86-DOS. See Seattle Computer A+ magazine, 18/5 128EX/2 computer. See Video A.P.P.L.E. (Apple Pugetsound Technology Program Library Exchange) 386i personal computer. See user group, 18/4, 19/17 Sun Microsystems Call-A.P.P.L.E. magazine, 432 microprocessor. See 18/4 Intel/Microprocessors A2-Central newsletter, 18/5 603/4 Electronic Multiplier. Abacus magazine, 18/8 See IBM/Computer (mainframe) ABC (Atanasoff-Berry 660 computer. -
Videotex in Europe Conference Proce!Edings
ORGANISED BY THE COMMISSION OF THE EUROPEAN COMMUNITIES Videotex in Europe Conference ProcE!edings Edited by Carlo Vernimb and William Skyvington With a preface by Georges Anderla Learned Information Oxford and New York Videotex in Europe I ' ; v· : -;:· Proceedings of th~ • ~ideotex 1n Europe ~ Conference Luxembourg 19-20 July 1979 Organ1sed by the COMMISSION OF THE EUROPEAN COMMUNITIES Edited by Carlo Vernimb and William Skyvington ' ~ ~ ~ With a preface by Georges Anderla (Learned Information 1980 Oxford and New York ', \\ ·J Videotex in Europe © ECSC, EEC, EAEC, Brussels and Luxembourg, 1980 All rights reserved ISBN 0 904933 22 9 Published by Learned Information (Europe) Ltd. Learned Information Besselsleigh Road The Anderson House Abingdon Stokes Road Oxford OX1 3 6 EF Medford, N.J. 08055 England U.S.A. (~co:Y) - tYI · (. :;r.,{ IV Contents Page PREFACE Mr. G. Anderla, Director - Information Management (CEC Directorate General XIII) v1i EDITORS' NOTE 1x OPENING OF THE CONFERENCE Mr. R.K. Appleyard, D1rector General- Sc1ent1f1c and Techn1callnformat1on and Information Management (CEC Directorate General XIII) INTRODUCTION TO THE STUDIES Mr. C. Vern1mb, Co-ordmator - New Information Technologies (CEC Directorate General XIII) 3 TERMINOLOGY 5 LECTURE: "Videotex Development in the Community" Mr. M. Kohn, (Telesystemes, Pans) 7 TEXT: "Videotex/Euronet Compatibility" [summanzed extracts from the study report] (Telesystemes, Pans) 22 LECTURE: "Videotex Development outside the Community" Mr. R. Woolfe (Butler, Cox & Partners, London) 44 DISCUSSION - Session No. 1 51 LECTURE: "Videotex Market in the Community" Mr. H.D. Scholz (Pactel, Frankfurt) 63 TEXT: "Videotex Market and Display Study" [summaned extracts from the study report] (PA Management Consultants, Frankfurt) 75 LECTURE: "Market for Videotex Business Terminals" Mr. -
Telecommunications Service Providers IAC Codes, Exchange Carrier Names, Company Codes - Telcordia and Regions
COMMON LANGUAGE® Telecommunications Service Providers IAC Codes, Exchange Carrier Names, Company Codes - Telcordia and Regions Telcordia Technologies Practice BR-751-100-112 Issue 2 April 1999 Proprietary — Licensed Material Possession or use of this material or any of the COMMON LANGUAGE Codes, Rules, and Information disclosed herein requires a written license agreement and is governed by its terms and conditions. For more information, visit www.commonlanguage.com/notices. An SAIC Company BR-751-100-112 TSP IAC Codes, EC names, Company Codes - Telcordia and Regions Issue 2 Copyright Page April 1999 COMMON LANGUAGE® Telecommunications Service Providers IAC Codes, Exchange Carrier Names, Company Codes - Telcordia and Regions Prepared for Telcordia Technologies by: Lois Modrell Target audience: Telecommunications Service Providers This document replaces: BR-751-100-112, Issue 1, March 1998 Technical contact: Lois Modrell To obtain copies of this document, contact your company’s document coordinator or call 1-800-521-2673 (from the USA and Canada) or 1-732-699-5800 (all others), or visit our Web site at www.telcordia.com. Telcordia employees should call (732) 699-5802. Copyright © 1997-1999 Telcordia Technologies, Inc. All rights reserved. Project Funding Year: 1999 Trademark Acknowledgments Telcordia is a trademark of Telcordia Technologies, Inc. COMMON LANGUAGE is a registered trademark of Telcordia Technologies. Proprietary — Licensed Material See confidentiality restrictions on title page. 2 BR-751-100-112 Issue 2 TSP IAC Codes, EC Names, Company Codes - Telcordia and Regions April 1999 Disclaimer Notice of Disclaimer This document is issued by Telcordia Technologies, Inc. to inform Telcordia customers of the Telcordia practice relating to COMMON LANGUAGE® Telecommunications Service Providers IAC Codes, Exchange Carrier Names - Company Codes - Telcordia and Regions. -
NTIA Technical Report TR-82-103 Integrated Services Digital
NTIA Report 82-103 Integrated Services Digital Networks, Standards, and Related Technology D.V. Glen u.s. DEPARTMENT OF COMMERCE Malcolm Baldrige, Secretary Bernard J. Wunder, Jr., Assistant Secretary for Communications and Information June 1982 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I Preface This report describes Integrated Services Digital Network (ISDN) concepts, status, and technologies. The ISDN is expected to be a major architectural concept in the future. Awareness of the ISDN by the military is important because the commercial sector is already be ginning to evolve in this direction on a national and international scale, and important new technologies are involved. This report is submitted as partial completion of a study being conducted for the U.S. Army's Communications Systems Agency at Ft. Monmouth, New Jersey, under project order number 105 RD. It is one of a series of reports on a multiphase project to analyze requirements and evaluate alternatives for the Defense Communications System in Europe. Administrative and technical monitoring of this pro ject was performed by Mr. R. Brynildsen of CSA. Technical and management supervision of the program at ITS was pro vided by Dr. P. M. McManamon and Mr. R. F. Linfield. Certain commercial names and companies are identified in this report to specify and describe some of the neces sary information. In no case does such identification imply exclusive recommendation or endorsement by the National Telecommunications and Information Administration.