//search.itknowledge.com/excite/cgi-bin/AT-foldocsearch.cgi\">\n<INPUT NAME=\"search\" SIZE=\"20\" VALUE=\"\"><BR><CENTER><INPUT NAME=\"searchButton\" TYPE=\"submit\" VALUE=\"Glossary Search\"></CENTER>\n<INPUT NAME=\"source\" TYPE=\"hidden\" VALUE=\"local\" CHECKED> \n<INPUT NAME=\"bltext\" TYPE=\"hidden\" VALUE=\"Back to Search\">\n<INPUT NAME=\"sp\" TYPE=\"hidden\" VALUE=\"sp\">\n</FORM>\n</TD>\n<TD>\n<IMG SRC=\"http://www.itknowledge.com/images/dotclear.gif\" WIDTH=\"15\" HEIGHT=\"1\">\n</TD>\n<TD>\n<FORM METHOD=\"POST\" ACTION=\"http://search.itknowledge.com/excite/cgi-bin/AT-subscriptionsearch.cgi\">\n<INPUT NAME=\"search\" SIZE=\"20\" VALUE=\"\"><BR><CENTER><INPUT NAME=\"searchButton\" TYPE=\"submit\" VALUE=\" Book Search \"></CENTER>\n<INPUT NAME=\"source\" TYPE=\"hidden\" VALUE=\"local\" CHECKED> \n<INPUT NAME=\"backlink\" TYPE=\"hidden\" VALUE=\"http://search.itknowledge.com:80/excite/AT-subscriptionquery.html\">\n<INPUT NAME=\"bltext\" TYPE=\"hidden\" VALUE=\"Back to Search\">\n<INPUT NAME=\"sp\" TYPE=\"hidden\" VALUE=\"sp\">\n</FORM>\n</TD>\n</TR>\n</TABLE>\n</CENTER> \n ISBN=1558514856//\n TITLE=Communications Systems and Networks//\n AUTHOR=Ray Horak//\n PUBLISHER=IDG Books Worldwide, Inc.//\n IMPRINT=M & T Books//\n CHAPTER=0//\n PAGES=0//\n UNASSIGNED1//\n UNASSIGNED2//\n\nTo access the contents, click the chapter and section titles.\n\n\nCommunications Systems and Networks\n\n\n\n(Imprint: M & T Books)\n\n(Publisher: IDG Books Worldwide, Inc.)\n\nAuthor: Ray Horak\n\nISBN: 1558514856\n\n\n\n\n\n\nForeword\nDedication\n\n\nChapter 1\u2014Communications Systems and Networks\nChapter 2\u2014Fundamentals of the Technology: Concepts and Definitions\n\n\nFundamental Definitions\nDedicated, Switched, and Virtual Circuits\n\nDedicated Circuits\nSwitched Circuits\nVirtual Circuits\n\nTwo-Wire versus Four-Wire Circuits\n\nTwo-Wire Circuits\nFour-Wire Circuits\n\nBandwidth\n\nCarrier\nHertz (Hz)\nBaud\nBits per Second (bps)\nTransmission Facilities\n\nAnalog versus Digital\n\nAnalog\nDigital\n\nAnalog versus Digital Transmission: Which is Better?\n\nAnalog Advantages\nDigital Advantages\n\nAmplifiers versus Repeaters\n\nAmplifiers (Analog)\nRepeaters (Digital)\n\nThe Conversion Process: Digital to Analog (D to A) and Analog to Digital (A to D)\n\nDigital to Analog: Modems\nAnalog to Digital: Codecs\nMULTIPLEXERS (MUXs or MUXes)\nFrequency Division Multiplexing (FDM)\nTime Division Multiplexing (TDM)\nStatistical Time Division Multiplexing (STDM)\nWavelength Division Multiplexing (WDM)\nInverse Multiplexers\nData Over Voice and Voice Over Data\n\nSwitches and Switching: The Fundamentals (and then some)\n\nCircuit Switching\nPacket Switching\nFrame Switching (Frame Relay)\nCell Switching\nPhotonic Switches\n\nSignaling and Control\nReferences\n\n\nChapter 3\u2014Fundamentals of Transmission Systems: Technologies and Applications\n\n\nFrequency Spectrum\nSelection Criteria\n\nTransmission Characteristics\nPropagation Delay and Response Time\nSecurity\nMechanical Strength\nPhysical Dimensions\nCost\n\nTwisted Pair: An Introduction to Telephone Wire\n\nThe Twisting Process\nGauge\nConfiguration\nBandwidth\nError Performance\nDistance\nSecurity\nCost\nApplications\n\nShielded Copper\n\nApplications\n\nCoaxial Cable\n\nConfiguration\nGauge\nBandwidth\nError Performance\nDistance\nSecurity\nCost\nApplications\n\nMicrowave Radio\n\nConfiguration\nBandwidth\nError Performance\nDistance\nSecurity\nCost\nRegulation\nApplications\n\nSatellite Radio\n\nGeostationary Satellites\nUplink\nDownlink\nBroadcast\nConfiguration\nBandwidth\nError Performance\nDistance\nPropagation Delay and Response Time\nSecurity\nCost\nRegulation\nApplications\n\nInfrared\nFiber Optics\n\nConfiguration\nAnalog or Digital?\nBandwidth\nError Performance\nDistance\nSecurity\nCost\nDurability\n\nApplications: Bandwidth-Intensive\nHybrid Transmission Systems\nReferences\n\n\nChapter 4\u2014Voice Communications Systems: PBX, ACD, Centrex, and KTS\n\n\nKey Telephone Systems (KTSs)\n\n1A1 and 1A2 KTSs\nElectronic KTS\nHybrid Key Systems\n\nPrivate Branch Exchanges (PBXs)\n\nPBX Components\nSwitching Matrix\nTrunk Interfaces\nSystem Configuration and Capacity\nPBX Enhancements and Trends\n\nCentrex\n\nCentrex Features\nCentrex Advantages\nCentrex Disadvantages\nCentrex CPE\nCentrex Applications\nCentrex Trends and Futures\n\nAutomatic Call Distributors (ACDs)\n\nACD Enhancements and Trends\n\nComputer Telephony Integration (CTI)\n\nTechnology, Standards and Specifications\nForums and Consortia\nApplications\nFuture\n\nReferences\n\n\nChapter 5\u2014Messaging Systems: Facsimile, Voice Processing and Electronic Mail\n\n\nFacsimile (Fax) Systems\nThe Technology\n\nFax Applications\nThe Future of Fax\n\nVoice Processing Systems\n\nThe Technology\nApplications\nVoice Processing Developments and Futures\n\nElectronic Mail (e-mail)\n\nThe Technology\nFeatures\nApplications\nFuture\n\nReferences\n\n\nChapter 6\u2014Public Switched Telephone Network (PSTN)\n\n\nNetwork Characteristics\n\nVoice (Primarily)\nSwitched (and Dedicated)\nAnalog (and Digital)\nInterconnected!\nWired (and Wireless)\n\nNumbering Plan Administration (NPA)\nDomains\n\nFunctional Domains\nRegulatory Domains\n\nRates and Tariffs\n\nCarrier Domains and Network Topology\n\nSignaling and Control: An Expanded View\n\nIn-Band Signaling and Control\nOut-Of-Band Signaling and Control\nCommon Channel Signaling and Control (CCS)\n\nNetwork Services\n\nAccess Services\nDedicated Transport Services\nValue-Added Services\n\nPortability\nEqual Access: Another Special Issue\nReferences\nGeneral References\n\n\nChapter 7\u2014Fundamentals of Data Communications\n\n\nFunctional Domains\n\nData Terminal Equipment (DTE)\nData Communications Equipment (DCE)\nCommunications Software\nNetworks\nSwitches\n\nDCE: AN EXPANDED VIEW\n\nModems\nCodecs\nTerminal Adapters (TAs) and NT-Xs\nCSUs and DSUs\nFront-End Processors (FEPs)\n\nProtocol Basics\n\nLine Set-Up/Connectivity\nTransmission Mode: Transmission Method\nCode Sets\nData Format\nError Control: Data Transmission Integrity\nForward Error Correction (FEC)\nData Compression\nAsynchronous Data Link Control (DLC) Protocols\nBit- versus Byte-Oriented Synchronous Protocols\nHigh-Level Data Link Control (HDLC)\n\nNetwork Architectures\n\nLayered Operations Models\n\nSecurity\n\nPhysical security\nAuthentication\nAuthorization\nPort Security\nTransmission Security\nEncryption\nFirewalls\nReferences\n\n\n\nChapter 8\u2014Conventional Public Data Networks (PDNs)\n\n\nEvolution of Data Networking\n\nThe Voice Model\nData Over Voice Networks\nData Networking Over the WAN (and MAN): Digital Data Networking\n\nDataphone Digital Service (DDS)\nSwitched 56 Kbps\nDigital Carrier Systems and Networks: T-carrier\n\nT-carrier Concept\nChannelized T-carrier\nUnchannelized T-carrier\nEncoding\nFraming\nHardware\nChannel Service Units (CSUs) and Digital Service Units (DSUs)\nVariations on the Theme: E-carrier and J-carrier\nFractional T1\nT-carrier Applications\nT-carrier Developments and Futures\n\nDigital 800 Services\nX.25 Packet Switching\n\nThe Concept of Packet Switching\nPacket Switching Standards\nPacket Switching Applications and Futures\nStandard Interfaces and Channel Types\nISDN Equipment\nISDN Characteristics And Benefits\nISDN Characteristics and Drawbacks\nISDN Standards\nISDN Applications\nInternational ISDN: Variations on the Theme\n\nBroadband Data Networking\n\nFrame Switching (Frame Relay)\nCell Switching\n\nReferences\n\n\nChapter 9\u2014Local Area Networks: Connectivity and Internetworking\n\n\nLANs Defined\nLAN Applications and Benefits\n\nMedia Alternatives\nTopology: Physical and Logical Configurations\nBaseband versus Broadband\nMedia Access Control\n\nLAN Equipment\n\nNetwork Interface Cards (NICs)\nBridges\nHubs and Switches\nRouters\nGateways\n\nLAN Segmentation\nLAN Operating Systems\nLAN Internetworking\n\nWANs\nHigh-Level Internetworking Protocols\n\nVirtual LANs (VLANs)\nRemote LAN Access\nLAN Standards and Standards Bodies\nLife in the Fast LAN: The Need for Speed\n\n100Base-T, or Fast Ethernet\nIso-Ethernet (Isochronous Ethernet Integrated Services)\n100VG-AnyLAN\nFDDI (Fiber Distributed Data Interface)\nATM (Asynchronous Transfer Mode)\nFireWire\n\nNonstandard LANs\nReferences\n\n\nChapter 10\u2014Broadband Network Infrastructure\n\n\nLocal Loop Technologies\n\nAsymmetric Digital Subscriber Line (ADSL)\nHigh Bit-Rate Digital Subscriber Line (HDSL)\nWireless Local Loop (WLL)\nHybrid Local Loops\nSONET/SDH\nSONET Standards Development\nSONET/SDH Transmission Hierarchy\nSONET/SDH Topology\nPaths, Tributaries and Channels\nSonet Frame Format\nSONET/SDH Hardware\nAdvantages of SONET\nApplications of SONET/SDH\n\nReferences\n\n\nChapter 11\u2014Broadband Network Services: Frame Relay, SMDS, ATM, B-ISDN, and AINs\n\n\nFrame Relay\nFrame Relay Defined\n\nFrame Relay Standards\nFrame Relay Access\nFrame Relay Network\nFrame Relay Equipment\nFrame Relay Protocol: Frame Structure\nLocal Management Interface (LMI) Protocol\nCongestion Management\nFrame Relay Costs\nFrame Relay Advantages and Disadvantages\nFrame Relay Applications\n\nSwitched Multimegabit Data Service (SMDS)\n\nSMDS Defined\nSMDS Standards\nSMDS Access\nSMDS Network\nSMDS Protocols: Segmentation and Reassembly and Cell Structure\nSMDS Costs\nSMDS Advantages\nSMDS Disadvantages\nSMDS Applications\nAsynchronous Transfer Mode (ATM)\nATM Defined\nATM Standards\nATM Access\nATM Network and Equipment\nATM Protocols and Cell Structure\nATM Performance: Quality of Service (QoS)\nATM Advantages\nATM Disadvantages\nATM Costs\nATM Applications\n\nBroadband ISDN (B-ISDN)\n\nBroadband ISDN (B-ISDN Defined)\nB-ISDN Access\nB-ISDN Services\nB-ISDN Equipment\nB-ISDN Costs\nB-ISDN Advantages\nB-ISDN Disadvantages\nB-ISDN Applications\n\nAdvanced Intelligent Networks (AINs)\n\nAIN Defined\nService Creation Environment (SCE)\nAIN Architecture\nAIN Services\nAIN Futures\n\nReferences\n\n\nChapter 12\u2014Wireless Networking: Voice and Data\n\n\n\nWireless Defined\nStandards and Regulation\nAdvantages and Disadvantages of Wireless\nThe Cell Concept: Frequency Reuse\n\nDigital versus Analog\nMultiplexing and Access Techniques\n\nFrequency Division Multiple Access (FDMA)\nTime Division Multiple Access (TDMA)\nCode Division Multiple Access (CDMA)\n\nSwitched Mobile Radio (SMR)/Trunk Mobile Radio (TMR)\nEnhanced Switched Mobile Radio (ESMR)\nPaging\n\nPaging Networks\nPaging Equipment\nPaging Applications\nPaging Developments\nInternational Paging\n\nCordless Telephony And Wireless Office Telecommunications Systems (WOTS)\n\nCordless Telephony Standards\n\nCellular Radio\n\nCellular Standards\nCellular Data Communications\n\nWireless Data Networks: Packet Radio\nWireless LANs\nWireless LANs: Applications and Futures\nWireless Local Loop (WLL)\n\nWLL Field Trials and Implementations\n\nPersonal Communications Services (PCS)\n\nPCS Networks\nPCS Equipment\nPCS Services and Applications\n\nLow-Earth Orbiting Satellites (LEOs)\nPersonal Digital Assistants (PDAs)\n\nPDA Equipment\nPDA Networking\nPDA Functions and Applications\nPDA Advantages and Disadvantages\nPDA Futures: Gadgets in Search of a Market?\n\nReferences\n\n\nChapter 13\u2014The Internet (the Net) Environment\n\n\nThe Internet Defined\nInternet Physical Topology\nInternet Standards, Administration, and Regulation\nInternet Network\nUser Equipment Requirements\nInternet Access\n\nInternet Service Providers (ISPs)\nPublic Access Providers\nDirect Connections\nCATV Access\n\nInternet Access Costs\n\nDialup Access\nDedicated Access\n\nNetwork Domains\nInternet Protocols\n\nTransmission Control Protocol (TCP) and Internet Protocol (IP)\n\nInternet Applications\n\nE-mail\nFile Transfer\nBBSs\nLibrary Catalogs\nRealtime Applications\nOnline Banking\nVideo Broadcasting\nRadio Broadcasting\nInternet Telephony\nRemote Messaging\n\nWorld Wide Web (the Web)\n\nWeb Sites and Home Pages\nUniversal Resource Locators (URLs)\nWWW Standards\nWWW Applications\nSearch Mechanisms and Browsers\n\nIntranets\nInternet Security\n\nSecurity Risks and Countermeasures\nMisuse and Content\n\nInternet Oddities, Screwball Applications, and Some Really Good Ideas\nAuthor\u2019s Explanations\nReferences\n\n\nChapter 14\u2014Video and Multimedia Networking\n\n\nVideo Communications Defined and Evolved\nVideo Basics\nAnalog TV Standards\nDigital TV\nHigh Definition TV (HDTV)\nBandwidth and Compression\nVideo Standards\n\nPx64\nJPEG\nMPEG\n\nVideo Equipment\nWAN Video Networks\nLAN-Based Video Networks\nVideoconferencing\nMultimedia\n\nSoftware: Focus on Collaboration\nLAN Networking\nMAN Networking\nWAN Networking\nThe Internet\nMultimedia Standards\nThe Future of Video and Multimedia\nTelemedicine\n\nReferences\n\n\nChapter 15\u2014Convergence: Information Superhighway or Superhypeway?\n\n\nDefinition\n\nApplications\nNetwork Technologies\nTerminal Technologies\n\nDriving Forces on the Superhighway\n\nDeregulation and Competition\nApplications\nTechnology\n\nProviders of the Toll Roads\n\nTelecommunications Networks\nData Communications Networks\nCATV Networks\nWireless Networks\nElectric Power Utilities\nThe Internet\nThe Converged Network\n\nI-Way Issues\n\nStandards\nRegulation\n\nTaxation\n\nAssignment and Portability of Logical Addresses\n\nInterconnectivity\nOne Potato, Two Potato, Three Potatoe, Four\u2026\nContent is the Key\nThe Feeding Frenzy: Satisfaction or Acid Indigestion?\nRepaving the Information Superhighway\n\nIn Other News\n\nReferences\n\n\nChapter 16\u2014Regulation: Issues Without Answers\n\n\nTelecommunications Act of 1996\n\nLines of Business\nMergers and Acquisitions\nRules and Implementation\n\nRates and Tariffs\nThe Internet\nNumber Portability\nRe-Landscaping: Reorganizations and Mergers\n\nAT&T\nSBC/Pacific Telesis\nBell Atlantic/NYNEX\n\nFuture of the FCC\nSo, What This Means to Me Is\u2026?\nReferences\n\n\n\n\n\nAppendix A\nIndex

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