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Computer Communications and Networks

BuchKartoniert, Paperback
432 Seiten
Englisch
Springererschienen am30.09.2011Softcover reprint of the original 1st ed. 1988
Computer communications is one of the most rapidly developing technologies and it is a subject with which everyone in the computer systems profession should be familiar. Computer communications and networks is an introduction to communications technology and system design for practising and aspiring computer professionals.mehr
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Produkt

KlappentextComputer communications is one of the most rapidly developing technologies and it is a subject with which everyone in the computer systems profession should be familiar. Computer communications and networks is an introduction to communications technology and system design for practising and aspiring computer professionals.
Details
ISBN/GTIN978-1-4612-8305-8
ProduktartBuch
EinbandartKartoniert, Paperback
Verlag
Erscheinungsjahr2011
Erscheinungsdatum30.09.2011
AuflageSoftcover reprint of the original 1st ed. 1988
ReiheApplications of Communications Theory
Seiten432 Seiten
SpracheEnglisch
Gewicht874 g
IllustrationenX, 432 p.
Artikel-Nr.15412995

Inhalt/Kritik

Inhaltsverzeichnis
1 Data communication concepts and alternatives.- 1.1 Trends in computer communications and networks.- 1.2 Messages, characters, bit streams, symbols and waveforms.- 1.3 Digital/analog, serial/parallel, simplex/half-duplex/full-duplex.- 1.4 Synchronous/asynchronous.- 1.5 Parity/CRC/LRC/EDC/ARQ.- 1.6 Character/byte-count/bit-oriented data link control protocols.- 1.7 Balanced/unbalanced interfaces.- 2 Communications media.- 2.1 Introduction.- 2.2 Electrical cable.- 2.3 Fibre optic cable.- 2.4 Free-space optical links.- 2.5 Radio and microwave links.- 2.6 Satellite relay.- 3 Modems and multiplexers.- 3.1 Modulation and keying alternatives.- 3.2 Modems.- 3.3 Multiplexing alternatives.- 3.4 Multiplexers and concentrators.- 3.5 Error performance.- 4 Network topologies, switching and access control.- 4.1 Network topology and topography.- 4.2 Link switching techniques.- 4.3 Network access control.- 5 Layered network architectures.- 5.1 Introduction.- 5.2 Open Systems Interconnection reference model.- 5.3 Alternative network architectures.- 5.4 DEC Digital Network Architecture (DNA).- 5.5 IBM Systems Network Architecture (SNA).- 5.6 Comparison of DNA and SNA.- 6 Interface standards.- 6.1 Introduction.- 6.2 RS-232-C and V.24/V.28.- 6.3 RS-449, RS-422, RS-485 and RS-423.- 6.4 X.20, X.21 and X.21 bis.- 6.5 X.3, X.28, X.29.- 6.6 IEEE 488 (IEC 625).- 7 Local area networks.- 7.1 Local communication alternatives.- 7.2 Broadband local area networks.- 7.3 IEEE 802.2 logical link control.- 7.4 IEEE 802.3 CSMA/CD LAN.- 7.5 IEEE 802.4 token bus LAN.- 7.6 IEEE 802.5 token ring LAN.- 7.7 ANSI FDDI dual fibre optic ring.- 7.8 MIL-STD-1553 B avionic data bus.- 8 Wide area network standards.- 8.1 Long-distance communication alternatives.- 8.2 BISYNC (BSC) character-controlled protocol.- 8.3 DDCMP character-count protocol.- 8.4 SDLC bit-oriented protocol.- 8.5 HDLC bit-oriented protocol.- 8.6 CCITTX.25.- 8.7 Protocols for mobile radio links.- 8.8 Videotex (viewdata).- 9 Performance prediction.- 9.1 Introduction.- 9.2 Link performance.- 9.3 Wide area network performance prediction.- 9.4 Local area network performance prediction.- 9.5 Network reliability and availability prediction.- 10 Computing and software issues.- 10.1 Introduction.- 10.2 Distributed data processing.- 10.3 Network software.- 10.4 Distributed databases.- 10.5 PC-to-mainframe links.- 10.6 CCITTX.400.- 10.7 Data compression.- 11 Threats to communications security.- 11.1 Introduction.- 11.2 Passive attacks.- 11.3 Active attacks.- 11.4 System penetration ploys against dial-up systems.- 11.5 Countermeasures.- 11.6 Port protection.- 11.7 Encryption.- 11.8 Trusted computers and networks.- 11.9 Security in the open systems architecture.- 12 Network implementation.- 12.1 Requirements analysis and architectural design.- 12.2 Implementation options.- 12.3 System integration.- 12.4 Network protection and reconfiguration.- 12.5 Network management and testing.- Appendix: Data communications standards.- References.mehr