-
Wüst, R.: ¬Eine Einführung in der Z39.50 : ein neuer Standard und seine Bedeutung für Bibliotheken (1994)
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- Abstract
- Der Aufsatz untersucht das Z39.50 / SR Protokoll und seine Client/Server Umgebung. Die Funtionalität des Z39.50 und die Anwendung in Netzwerken wie dem Internet wird diskutiert. Die Anwendung des Z39.50 in Bibliothekssystemen wird dem Benutzer einfachen und plattformübergreifenden Zugriff auf Informationen bieten. Das Protokoll schafft eine Benutzerumgebung, die anbieterunabhängig arbeitet
- Source
- ABI-Technik. 14(1994) H.1, S.21-26
-
Zech, S.: Online-Kommunikation von Bibliotheken : vergleichende Kostenuntersuchung und Beispielrechnungen für Katalogisierung und Recherche (1997)
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- Abstract
- Bei den Überlegungen, das Dienstleistungsangebot der Bibliotheken auszuweiten, spielt der Zugang zu nationalen und internationalen Netzen und damit der Zugang zu online verfügbaren Informationen eine immer größere Rolle. Für die Auswahl des Netzes müssen sowohl die einmaligen Ausgaben für die technische Ausstattung und Zugangsberechtigung als auch die monatlich wiederkehrenden Ausgaben für die Nutzung berücksichtigt werden. Für die Entscheidung sind aber auch Übertragungsgeschwindigkeit, angebotene Dienste auf dem Netz, Kommunikation mit anderen Netzen und die regionale Erreichbarkeit des Netzanbieters von Bedeutung
- Pages
- 39 S
-
Lexikon der Datenkommunikation : [traditionelle Techniken: Ethernet, Token Ring; Highspeed Networking: Gigabit Ethernet, ATM, LAN-Switching; Trends: Virtual LAN, VPN, xDSL-Techniken] (1999)
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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
- BK
- 54.00 / Informatik: Allgemeines
- Classification
- ST 200 Informatik / Monographien / Vernetzung, verteilte Systeme / Allgemeines, Netzmanagement
SR 200 Informatik / Nachschlagewerke. Didaktik / Allgemeines, Nachschlagewerke, Ausbildung / Fachwörterbücher
54.00 / Informatik: Allgemeines
- Issue
- 5., aktualisierte und erw. Aufl.
- Pages
- 687 S. + CD
- RVK
- ST 200 Informatik / Monographien / Vernetzung, verteilte Systeme / Allgemeines, Netzmanagement
SR 200 Informatik / Nachschlagewerke. Didaktik / Allgemeines, Nachschlagewerke, Ausbildung / Fachwörterbücher
-
Boßmeyer, C.: OSI-Anwendungen in Bibliotheken oder Was ein Bibliothekar von OSI wissen sollte (1995)
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- Abstract
- Open System Interconnection (OSI) Standard 7498 appeared in 1984. Open systems of PCs and workstations decentralize information processing and divide it between several computers, based on the client-server concept. Relevant terminology is explained, including application protocol, bases of the SR/Z39.50 model, data transmission, search request services, query types, attribute sets, transmission format, transfer syntax, solution models and cooperation between library systems
- Pages
- S.81-91
- Source
- Impulse für Bibliotheken: Festschrift für Berhard Adams zum 65. Geburtstag. Hrsg.: A.H. Helal
-
Bekavac, B.: Informations- und Kommunikationstechnologien (2004)
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- Abstract
- Enthält Abschnitte zu: Geeignete Zahlensysteme - Rechenmaschinen - Programme - Internet - Textdarstellung - Rechnerarhitekturen - Hard- und Softwaresysteme
- Pages
- S.323-338
- Source
- Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis
-
Kostenlos surfen mit Google : Spekulationen über W-LAN-Netz in den USA (2005)
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- Content
- "Will Google Amerika mit einem Netz aus W-LAN-Notspots überziehen und auf diesem Weg zu einem eigenständigem InternetService-Provider (ISP) werden? Diese schon länger kolportierte Spekulation meint das US-amerikanische Wirtschafts-Magazin "Business 2.0" nun belegen zu können: Google kaufe seit einem Jahr in aller Ruhe brachliegende Übertragungskabel von anderen Zugangs-Anbietern. Sobald die Infrastruktur stehe, so das Gerücht, werde Google in Großstädten flächendeckend einen Internet-Zugang via Funk anbieten. Das Magazin hat das Angebot GoogIeNET getauft. Ortsbezogene Werbung Der eigentliche Clou am möglichen GoogIeNET: Es könnte kostenlos nutzbar sein - oder zumindest nur ein symbolisches Eintrittsgeld zum Internet verlangen. Google wird nämlichbeim Funk-Surfen wahrscheinlich Werbung einblenden, die auf den Aufenthaltsort des Users abgestimmt ist. Würde jemand in einem Einkaufszentrum den Service nutzen, so der Gedanke, erhielte er in den Google-Ads Hinweise zu den Sonderangeboten der einzelnen Läden. Die Technik im Hintergrund soll dabei Feeva, eine auf Notspots spezialisierte Firma aus San Francisco liefern. Eine Partnerschaft zwischen der Suchmaschine und Feeva existiert schon. In San Francisco schalteten die Funkspezialisten einen kostenlosen Hotspot in einem Shopping-Bezirk - und der wird von Google gesponsert. Die gekauften Übertragungskabel wären für Google auch in anderer Hinsicht hilfreich: Die Suchmaschine müsste Service Provider nicht mehr für den verursachten Traffic bezahlen, sondern könnte die Daten über die eigenen Leitungen versenden."
- Source
- Chip. 2005, H.10, S.30
-
Petry, W.; Werner, H.-J.: Anwendertraum: Kommunikations- und Retrieval-Software im Vergleich (1993)
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- Source
- Cogito. 9(1993) H.2, S.18-22
-
Cerf, V.G.: Netztechnik (1995)
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- Abstract
- Da der Computer mittlerweile in fast alle Lebenesbereiche eindringt und immer neue Anwendungen für die Verarbeitung digitalisierter Informationen erschlossen werden, schwillt der Strom des Datenverkehrs zwischen Rechnern unterschiedlichster Art immens an. Ihn auch zukünftig zu bewältigen, bedarf es besserer Verbindungswege
- Pages
- S.22-31
-
Pordesch, U.; Roßnagel, A.: "Offene" Kommunikation : zur Verletzlichkeit des Internet und zur Notwendigkeit neuer Sicherheits- und Schutzstrategien in den virtuellen Welten (1997)
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- Abstract
- Während in den 80er und zu Beginn der 90er Jahre Überwachungsverfahren und die Verletzlichkeit der vernetzten Informationsgesellschaft Gegenstand alternativer Technikkritik waren, scheinen die damit verbundenen Gefahren mit der Verbreitung des Internet weitgehend verflogen zu sein. Zumindest findet ein diesbezüglicher Diskurs kaum statt, und auch Kritiker sind zu begeisterten Nutzern geworden. Interessanterweise ist jedoch gerade das Internet ein in mancher Hinsicht unsicheres und datenschutzunfreundlicheres Netz als früher kritisierte Netze und Dienste, wie etwa ISDN oder BTX. Das technische Netzkonzept und die Organisationsform seines Betriebs lassen zentral organisierte Grundschutzkonzepte wirkungslos werden, so daß hier viel vom Selbstschutz der Beteiligten abhängt. Diesen zu stärken, wäre ein wichtiges technologie- und gesellschaftspolitisches Ziel der kommenden Jahre
- Source
- Wechselwirkung. 19(1997) Nr.84, S.34-39
-
Löns, K.: Kommunikationsnetze und Datenkommunikation (1997)
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- Pages
- S.698-729
- Source
- Grundlagen der praktischen Information und Dokumentation: ein Handbuch zur Einführung in die fachliche Informationsarbeit. 4. Aufl. Hrsg.: M. Buder u.a
-
Harms, T.: Kriegserklärung : Telekom schockiert mit neuem Internet-Tarif die Konkurrenz (2000)
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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.
Und das auf den Telefonstrippen der Deutschen Telekom, als Kunden des hauseigenen Internet-Dienstes T-Online. Unser Ziel ist ganz klar", verkündet Telekom-Manager Buchal: "Die Deutsche Telekom macht mit T-DSL aus dem Internet das schnelle Internet für jedermann". Um tatsächlich alle Welt mit den Hochgeschwindigkeits-Datennetz beglücken zu können, muss allerdings das Telefonnetz in den nächsten Monaten aufgerüstet werden. Bis Ende des Jahres soll der Web-Turbo bereits in rund 600 Ortsnetzen, bis Ende 2001 für 90 Prozent aller Haushalte zur Verfügung stehen. Ende 2000 wollen Buchal und Kollegen 500 000 DSL-Kunden gewonnen haben. Wichtigster Telekom-Kooperationspartner bei der Errichtung der anspruchsvollen DSL-Infrastruktur ist die Firma Siemens. Über die Investitionskosten des Vorhabens wahrt die Bonner Telekomzentrale Stillschweigen. Wer das neue DSI-Verfahren von T-Online nutzen will, kann das sowohl mit einem ISDN-Telefonanschluss als auch mit einer herkömmlichen Leitung. Alle momentan angebotenen ISDN-Tarife der Telekom, aber auch der "analoge" T-Net-Tarif - sind mit dem DSL-Pauschalpreis von 49 Mark kombinierbar Die notwendigen Zusatzgeräte (DSL-Modem und Splitter) werden von der Telekom zur Verfügung gestellt. Unternehmen wie die Hamburger TV-Produktionsfirma MME (Me, Myself & Eye) warten bereits sehnlichst auf eine stärkere Verbreitung von DSL-Anschlüssen. MME will auf speziellen Intemet-TV-Kanälen Pop-Konzerte und Musikvideos ausstrahlen. Für unser Geschäft sind breitbandige Internet-Zugänge zu günstigen Preisen absolut essentiell", betont Christoph Post, MME-Vorstand Neue Medien. Deshalb sind wir hocherfreut über die Aktivitäten der Telekom."
Weniger begeistert sind die Rivalen der Telekom beim Kampf um den Telefon- und Internetmarkt. Sie werden von der TarifOffensive kalt erwischt. Arcor-Mannesmann etwa dürfte mit dem gerade eingeführten Angebot von 79 Mark für einen 768-Kilobit-Zugang in Zwangs-Kombination mit einem Hochpreis-ISDN-Anschluss beim Kunden wenig Punkte sammeln. Online-Hauptkonkurrent AOL hat das Produkt DSL-Flatrate bislang überhaupt noch nicht auf dem Plan. Dabei könnte das hauseigene Intemet-TV-Angebot AOLlive durch den DSL-Turbo profitieren. Auch bei der Bertelsmann Broadband Group (BBG) ist man mit den DSL-Offerten der Telekom nicht zufrieden. Allerdings aus anderen Gründen. Das Hamburger Unternehmen möchte über Telefonund Kabelnetze interaktives Fernsehen in die Haushalte schicken. "Die Bandbreite ist das entscheidende Handicap", sagt Michael Schacht, Leiter Produktmanagement der BBG. Um unsere Angebote über DSL-Leitungen in guter Qualität auf einen Fernseher zu schicken, reichen 768 Kilobit nicht aus. Wir brauchen mindestens zwei Megabit." Helle Aufregung herrscht bei Deutschlands Kabelnetzbetreibern. Für eine "Kriegserklärung" an die Branche hält Dietmar Schickel, Geschäftsführer des Netzbetreibers Telecolumbus, das Vorgehen der Telekom. Telecolumbus bietet M Berlin einen Highspeed-Zugang zum Web über das TV-Netz an. 49 Mark sind ein quer subventionierter Dumpingpreis. Der Monopolist zeigt seine Krallen", schimpft Schickel. Hintergrund der Empörung: In den Businessplänen der KabelnetzUnternehmen steht die Vermarktung von Highspeed-Internet-Zugängen ganz oben. Sollte die Telekom mit ihrer DSL-Großoffensive in den nächsten zwei Jahren den Markt der Highspeed-Kunden abschöpfen, könnten sich die Milliardeninvestionen, die jetzt in die Modernisierung der Kabelnetze gesteckt werden, nicht mehr rechnen. "Das Tarifdumping" mahnt Schickel, "ist ein Fall für den Regulierer"."
- Source
- Frankfurter Rundschau. Nr.211 vom 11.9.2000, S.13
-
Pospischil, R.: ¬A bypass for the local loop : Deutsche Telekom's strategy for fiber to the home (1995)
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- Abstract
- Technological and regulatory developments are opening the door for competition and new services in the local loop. The reunification of Germany created an opprotunity for Deutsche Telekom to install fibre in the loop on a large scale in eastern Germany. Deutsche Telekom's strategy consists of 4 steps: fibre in the loop is seen as a process innovation. New broadband services - product innovations - can be based on the process innovation. Only a sufficient number of installations will enable the industry to invest in new products. Besides the local networks equipped with fibre, there is an overlay network for the rapid delivery of fibre access for business customers. The experience gained in eastern Germany will be transferred to western Germany when tranforming its existing network structure
- Source
- Telecommunications policy. 19(1995) no.7, S.579-585
-
Freed, L.; Derfler jr, F.J.: Modem und Kommunikation Guide : Entscheidungshilfe, Anwendung, Kommunikations-Software Utilities (1992)
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- Pages
- 384 S. + 1 Diskette
-
Altenhövel, M.; Rudolph, R.; Späth, F.M.: ISDN: die besten Tips & Tricks der Profis : so installieren und nutzen Sie ISDN optimal (1997)
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- Content
- Wisenswertes für den ISDN-Einstieg - So installieren Sie ISDN - ISDN und Windows95 - Per ISDN in T-Online, AOL und CompuServe - Per ISDN ins Internet - Filetransfer, Fax und Voice mit ISDN - ISDN unter Windows NT - ISDN unter OS/2
- Source
- PC professionell. 1997, H.1, S.223-248
-
Püttner, G.: Telekommunikation und gemeindliches Wegerecht : Rechtsgutachten dem Deutschen Städte- und Gemeindebund erstattet (1996)
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- Imprint
- Düsseldorf : Deutscher Städte- und Gemeindebund
- Pages
- 40 S
-
Scheuerer, J.: Onlinebanking (1997)
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- Abstract
- Komfort ist Trumpf beim neuen Banking-Modul von T-Online: einfachste Installation und Bedienung machen die elektronische Kontoführung mit T-Online zum Vergnügen
- Source
- Com!. 1997, H.8, S.22-24
-
Durchstarten mit dem T-Online-Lotsen : neue Startseite (1997)
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- Abstract
- Bequem, übersichtlich und topaktuell: die neue Startseite von T-Online, Lotse genannt, ist Zeitung und Suchsystem in einem
- Source
- Com!. 1997, H.8, S.26-27
-
Kropp, H.: DFÜ: sämtliche Einsatzmöglichkeiten der Fernsprech- und Datexdienste : aktuelles Nachschlagewerk mit Musterlösungen für die rationelle Nutzung der Postdienste und Erfahrungsberichte aus der Praxis (1988)
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- Type
- l
-
Scherzer, Y.: Virtuelle Welten : Navigation in virtuellen Räumen (1996)
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- Abstract
- Virtuelle Welten - eine neue Dimension in Datennetzen. Neben der Möglichkeit, sich mit Hilfe von Datenhandschuh und -helm in computergenerierten Räumen zu bewegen und Abenteuer zu erleben, bilden virtuelle Räume im WWW eine erweiterte Navigations- und Präsentationsmöglichkeit für Informationssysteme. Auf der Basis einer breitbandigen rechnergestützten Kommunikationsinfrastruktur wie den DFN kann ein bestimmtes Thema - hier ein Stadtspaziergang durch Hannover - mit der Kombination von 2- und 3-dimensionalen Navigationselementen dem Betrachter nahegebracht werden
- Source
- DFN Mitteilungen. 5(1996) H.41, S.13-14
-
Höller, H.: Kommunikationssysteme : Normung und soziale Akzeptanz (1993)
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- Abstract
- Der Autor geht der Frage nach dem Einfluß der Normung auf die Kommunikationstechnik und ihrer sozialen Akzeptanz nach. Hierzu zeigt er die Strukturen der Normungsprozesse und der Gremien insbesondere in Europa auf. Am Beispiel der Normen zu elektronische Postsystemen führt er auf, wie weit die Normung in diese Systeme hineinreicht und welche kommunikationsrechtlichen Probleme damit verbunden sind
- Classification
- MS 7850 Soziologie / Spezielle Soziologien / Soziologie der Massenkommunikation und öffentlichen Meinung / Allgemeine Theorie der gesellschaftlichen Kommunikation und ihrer Medien; Begriff der Öffentlichkeit; Meinungsbildung, public relations
- Pages
- XII,357 S
- RVK
- MS 7850 Soziologie / Spezielle Soziologien / Soziologie der Massenkommunikation und öffentlichen Meinung / Allgemeine Theorie der gesellschaftlichen Kommunikation und ihrer Medien; Begriff der Öffentlichkeit; Meinungsbildung, public relations
