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  • × theme_ss:"Datenfernübertragung"
  1. Seiler, R.; Jung, K.: Dicke Bilder durch dünne Leitungen : Konzepte und Algorithmen der Bilddatenkompression (2000) 0.02
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    Field
    Mathematik
  2. Andresen, L.: Z39.50 update (2000) 0.02
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    Date
    17. 8.1996 12:01:23
    Source
    DF Revy. 23(2000) no.2, S.48-50
  3. Klußmann, N.: Lexikon der Kommunikations- und Informationstechnik : Telekommunikation, Datenkommunikation, Multimedia, Computer (1999) 0.01
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    Date
    17. 7.2002 14:59:23
  4. LeVan, R.R.: Dublin Core and Z39.50 (2001) 0.01
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    Date
    11. 2.1997 20:11:23
  5. Hickey, T.B.: ¬A Java Z39.50 Client for Browsing Large Databases (2001) 0.01
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    Date
    11. 2.1997 20:11:23
  6. Beth, T.: Sichere offene Datennetze (1995) 0.01
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    Abstract
    Mathematische Techniken ermöglichen, Daten zuverlässig und vertraulich über unsicher Kanäle zu senden. Zugleich gewinnen die Beteiligten Gewißheit über die Identität des Partners oder Vertrauen zu einem bislang Unbekannten. Eine allwissende, allzeit bereite Zentrale ist nicht erforderlich
  7. Burton, J.; Newport, J.; Robinson, E.: OPACs and JANET : a simple technique for easy user access (1989) 0.01
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    Source
    Program. 23(1989), S.257-268
  8. Breaks, M.: SuperJANET : Library and information services over a gigabit network (1994) 0.00
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    Date
    23. 2.1996 19:41:59
  9. Hinnebusch, M.: Z39.50 at ten years : how stands the standard? (1997) 0.00
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    Source
    Journal of academic librarianship. 23(1997) no.3, S.217-221
  10. Lexikon der Datenkommunikation : [traditionelle Techniken: Ethernet, Token Ring; Highspeed Networking: Gigabit Ethernet, ATM, LAN-Switching; Trends: Virtual LAN, VPN, xDSL-Techniken] (1999) 0.00
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    Abstract
    Ob Newcomer oder Experte: für den DV-Profi, der bei zunehmender Spezialisierung nicht den Überblick verlieren will, ist dieses Buch zu ein nützliches und wertvollens Nachschlagewerk bei der täglichen Arbeit. Ausführliche und detailgenau Begriffserklärungen finden sich u. a. zu folgenden zentralen Themen der Datenkommunikation: - die klassischen Netze: Ethernet, Token Ring, FDD - Highspeed Networking: Fast Ethernet, 100 VGAnyLAN, Frame Relay, Segment Switching, Asynchronous Transfer Mode (ATM) - Internetworking, Virtual LANs - Online-Dienste - Internet, Intranet
  11. Handbuch der Telekommunikation (1994-) 0.00
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    Editor
    Arnold, F.
  12. Kauffels, F.-J.: Moderne Datenkommunikation : eine strukturierte Einführung (1994) 0.00
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  13. Kauffels, F.-J.: Einführung in die Datenkommunikation (1991) 0.00
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  14. Harms, T.: Kriegserklärung : Telekom schockiert mit neuem Internet-Tarif die Konkurrenz (2000) 0.00
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    Content
    "Robert T-Online hat endlich wieder einen spannenden Job. Die Aufgabe, Anleger für den Börsengang der Telekom-Internettochter zu begeistern, hat das virtuelle Reklamemännchen abgehakt. Jetzt wirbt der strohblonde Robert bundesweit auf Plakaten und in Zeitungsanzeigen für ,Sssssuper-Highspeed zum Sssssuperpreis". Gemeint ist der brandneue Internettarif T-Online DSL Flat 49 Mark Pauschale im Monat für unbegrenztes Surfen im World Wide Web ohne zusätzliche Telefongebühren. Und das bei Übertragungsraten von 768 Kilobit pro Sekunde für das Herunterladen und 128 Kilobit pro Sekunde für das Versenden von Daten. Also satte zwölfmal so schnell wie bei einem herkömmlichen ISDN-Anschluss. Für Telekom-Marketingvorstand Detlev Buchal ein schlicht unschlagbares Angebot". Das Kürzel DSL steht für "Digital Subscriber Line", zu deutsch "Digitale Teilnehmer-Leitung". DSL-Technologie ermöglicht die Ubertragung breitbandiger Datendienste auf herkömmlichen Telefon-Kupferkabeln. DSL-Zugänge ins Internet bieten nicht nur einen deutlich rascheren Seitenaufbau, sie leisten vor allem erstmals die Übermittlung von Bild- und Tondateien in befriedigender Qualität auf den PC. Mit DSL kann das strapazierte Schlagwort vom Internet-Fernsehen erstmals Realität werden. Zwar hält der Pink Panther schon seit Sommer 1999 unter dem Produktnamen T-DSV für Geschäfts- und Privatkunden auch einen Online-Hochgeschwindigkeitszug unter Dampf. Doch das Angebot stand nur in einigen Ballungsräumen zur Verfügung, schreckte den gemeinen Web-Nutzer durch allzu hohe Entgelte ab und lockte deshalb bisher nur rund 100 000 Interessenten hinter dem PC hervor. Mit der seit Monatsbeginn gültigen drastischen Preissenkung hat sich der Bonner Multimedia-Riese nicht weniger vorgenommen, als in den nächsten Jahren die breite Masse der bereits über 18 Millionen deutschen Internet-Nutzer in Highspeed-Surfer zu verwandeln.
  15. bay/mo: ¬Das Internet holt die Telefonwelt ein : Plaudern über die Datenleitung interessiert viele Cebit-Besucher - die Technik hilft, Geld zu sparen und treibt den Wettbewerb an (2004) 0.00
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    Content
    Die Anbieter setzen auf unterschiedliche Hardware-Konzepte. Für Sipgate müssen die Kunden etwa ein spezielles IP-Telefon für 100 Euro kaufen. Zudem benötigen sie einen DSL-Router, um Telefon und Computer gleichzeitig verwenden zu können. Die Installation gestaltet sich schwierig, wenn der Router gleichzeitig mit einer Firewall-Komponente Viren- und Hackerangriffe aus dem Internet stoppen will - denn die User müssen diese Funktion für die Leitung zum IP-Telefon ausschalten. Beim Provider Freenet klappt das Telefonieren ohne Extrageräte: Wer plaudern will, verwendet eine Software am Computer, Mikrofon und Kopfhörer. Gewichtiger Nachteil dabei: Um erreichbar zu sein, muss der Rechner stets angeschaltet bleiben. Ein Anruf ins Festnetz kostet über die Hamburger deutschlandweit einen Cent je Minute, zum Handy 19 Cent. Gespräche zu anderen "iPhone"-Kunden sind frei. Eine bequeme Lösung stellt der Berliner Hersteller AVM auf der Cebit aus: Die "Fritz Box Fon" ist DSL-Modem, Router und Voice-over-IP-Telefonanlage in einem. Daran lassen sich zwei analoge Telefone anschließen. Wird das Gerät zusätzlich mit einem ISDN-Anschluss verbunden, können Anrufer mit einem Nummerncode auf Wunsch die herkömmliche Telefonverbindung anfordern - etwa wenn die am Sonntag kostenlos sind. Freenet will die AVM-Box vermarkten, auch der Montabaurer Provider 1 & 1 setzt auf sie. Interessant kann die Datentelefonie auch für unterwegs werden. Denn die Softwarelösungen laufen in Kürze auch auf den kleinen elektronischen Assistenten (PDA). Die gehen dann per Wireless LAN online. Die Mobilfunkbetreiber, die UMTS verkaufen wollen, wird das nicht freuen. Zumal mit 1&1 Deutschlands zweitgrößter DSL-Provider (bezogen auf die Kundenzahl) in Hannover ankündigt, seine Breitbandnutzer könnten bald von ausgewählten Stellen aus zehn Stunden pro Monat kostenlos über die Funktechnik ins Internet gehen. Das Telekommunikationsunternehmen Arcor hat ähnliche Pläne.
  16. Petry, W.; Werner, H.-J.: Anwendertraum: Kommunikations- und Retrieval-Software im Vergleich (1993) 0.00
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    Source
    Cogito. 9(1993) H.2, S.18-22
  17. Petry, W.: Datenreisen billiger : wie man Telekommunikationskosten sparen kann (1994) 0.00
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    Source
    Cogito. 10(1994) H.4, S.17-22
  18. Matthews, J.R.; Parker, M.R.: Local Area Networks and Wide Area Networks for libraries (1995) 0.00
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    Date
    30.11.1995 20:53:22
  19. Scheuerer, J.: Onlinebanking (1997) 0.00
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    Source
    Com!. 1997, H.8, S.22-24
  20. Berezak-Lazarus, N.: ADSL - Auf der Überholspur durch die Multimedia-Welt (1999) 0.00
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    Footnote
    Rez. in: Internet Professionell 2000, H.2, S.22