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Vom Postwagen zum Communicator : Eine kleine Geschichte der Kommunikation (2002)
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- Date
- 29. 1.1997 18:49:05
-
Scheuerer, J.: Onlinebanking (1997)
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- Date
- 1. 8.1997 14:03:29
- Source
- Com!. 1997, H.8, S.22-24
-
Duhm, U.: Ring frei zur nächsten Runde (1999)
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- Date
- 1. 8.1997 14:03:29
19. 2.1999 20:21:22
-
Deussen, N.: Sogar der Mars könnte bald eine virutelle Heimat bekommen : Gut 4,2 Milliarden sind nicht genug: Die sechste Version des Internet-Protokolls schafft viele zusätzliche Online-Adressen (2001)
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- Abstract
- Der Geniestreich aus dem Europäischen Labor für Teilchenphysik (Cern) in Genf machte aus dem Wissenschaftsnetz ein Massenmedium. Zudem erfuhr die elektronische Post einen Aufschwung. Das Wachstum der Netze sprengt alle Erwartungen", resümiert Klaus Birkenbihl vom InformatikForschungszentrum GMI). Jede Web-Site, jede E-Mail-Box, jeder Computer, der per Standleitung online ist, braucht eine eindeutige Identifizierung. Die Schätzungen, wie viele IPv4-Adressen noch frei sind, schwanken zwischen 40 und zehn Prozent. Der Verbrauch jedenfalls steigt rasant: Die Anzahl der WebSites steuert derzeit auf eine Milliarde zu, weit mehr Netznummern gehen bereits für E-Mail-Anschriften drauf. Den Adressraum weiter ausschöpfen werden demnächst die intelligenten Haushaltsgeräte. Der Laden an der Ecke will wissen, welcher Kühlschrank die Milch bestellt hat, die Videozentrale braucht für das Überspielen des Films die Kennung des PC-Recorders, der Computer des Installateurs benötigt die IP-Anschrift der Heizungsanlage für die Fernwartung. Handys, die später Nachrichten übers Internet schicken, und Internet-Telefonie gehen möglicherweise leer aus. Doch bevor Internet-Adressen zur heiß begehrten Schieberware werden, soll ein neues Adresssystern mit mehr Möglichkeiten her. Schon 1990 hatte sich die Internet Engineering Task Force (IETF) Gedanken über einen neues Internet-Protokoll mit einem größeren Adressangebot gemacht. Im IETF kümmern sich Forscher, Soft- und HardwareIngenieure um die fortlaufende Verbesserung von Architektur und Arbeit des Netz werks. Eine ihrer Arbeitsgruppen prognostizierte, der IPv4-Vorrat gehe 2005 zu Ende. Fünf Jahre dauerte es, dann waren sich alle Internet-Gremien einig: Eine neue Protokollversion, IPv6, muss her. Dann passierte weiter nichts. Endlich verkündete 1999 Josh Elliot von der Icann, ab sofort würden neue Anschriften verteilt. Ein historischer Moment", freute er sich.
Der neue 128-Bit-Header treibt die Möglichkeiten ins Astronomische: 3,4 mal zehn hoch 38 Adressen, eine 3,4 mit 38 Nullen. -Das IPv6-Forum zerhackte den Zahlentrumm in anschauliche Stücke: Pro Quadratmillimeter Erdoberfläche stehen nun zirka 667 Billiarden, pro Mensch 6,5 mal zehn hoch 28 Adressen, bereit." Eine Billiarde bringt es immerhin auf respektable 15 Nullen. Schon kurz darauf ging ein Aufschrei durch die Netzgemeinde. Das neue Protokoll schrieb die weltweit eindeutigen Seriennummern bestimmter Netzwerkkarten auf den virtuellen Adressaufkleber. Die Ethernet-Adapter bewerkstelligen den Datentransport bei Computern, die über eine Standleitung, ein Koaxialkabel, dauernd online sind. Die Spur von Ethernet-Usern wäre damit leicht zu verfolgen gewesen, ihre Nutzerprofile, ihre Surfgewohnheiten einsehbar wie offene Bücher. Das Problem, ließ Icann nun wissen, sei behoben: Es gebe keine festen Kennzahlen mehr in den Adressköpfen. Bei jedem Hochfahren eines Rechners oder sogar noch öfter werden die Nummern neu durchgemischt", erläutert Hans Petter Dittler, stellvertretender Vorsitzender der deutschen Sektion der Internet Society. Das Betriebssystem Linux kann bereits mit dem IPv6 arbeiten. Microsoft will den Standard in das nächste Windows-Betriebssystem einbauen: "Wir denken, der vorgeschlagene Standard ist wichtig zum Schutz der Privatsphäre der Internet-Nutzer", sagt Jawad Khaki, Vizepräsident für Netzwerke. Seit einigen Tagen steht auf der Microsoft-Homepage eine Vorab-Version von lPv6 für Windows 2000 zum Herunterladen bereit. Geradezu euphorisch gibt sich Protokoll-Chef Vint Cerf. Mit IPv6 haben wir die Grundlage dafür", philosophierte der Internet-Daddy auf dem ersten lPv6-Kongress 1999 in Berlin, "das Internet von unserem Planeten über den Mars und die Asteroiden bis in den Weltraum hinaus auszudehnen." Doch im Internet-Alltag wird das alte Protokoll noch lange Vorrang haben. Grund sind handfeste Programmier-Probleme. Denn Software, die sich explizit auf die vierte IP-Version bezieht, muss umgeschrieben werden - etwa um mit den längeren Adressfeldern umgehen zu können. Hubert Martens vom Münchner Multinet Services befürchtet gar einen InternetCrash: "Das Jahr-2000-Problem war harmlos gegen das, was uns mit lPv6 droht."
- Source
- Frankfurter Rundschau. Nr.79 vom 3.4.2001, S.29
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Boßmeyer, C.: OSI-Anwendungen in Bibliotheken oder Was ein Bibliothekar von OSI wissen sollte (1995)
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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
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Eberl, U.: UMTS++ : Perspektiven (2001)
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- Date
- 31.12.1996 19:29:41
-
Petry, W.: Datenreisen billiger : wie man Telekommunikationskosten sparen kann (1994)
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- Source
- Cogito. 10(1994) H.4, S.17-22
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Matthews, J.R.; Parker, M.R.: Local Area Networks and Wide Area Networks for libraries (1995)
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- Date
- 30.11.1995 20:53:22
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Kniszewski, P.: T-Online hat die Nase vorn (1997)
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- 1. 8.1997 14:03:29
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¬Die 50 besten Tips zur neuen Software : T-Online 2.0, Netscape Navigator, Microsoft Internet-Explorer (1997)
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- 1. 8.1997 14:03:29
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Durchstarten mit dem T-Online-Lotsen : neue Startseite (1997)
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- 1. 8.1997 14:03:29
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Pelton, J.N.: Telekommunikationssysteme des nächsten Jahrhunderts (1998)
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- Date
- 31.12.1996 19:29:41
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Lang, M.: Neue Hardware braucht das UMTS-Land : Infrastruktur (2001)
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- 31.12.1996 19:29:41
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Otten, D.: Peilstation in der Westentasche (2001)
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- 31.12.1996 19:29:41
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Sterbak, R.: ¬Die Mega-Handys : Endgeräte (2001)
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- 31.12.1996 19:29:41
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Zöbelein, K.: Dringend gesucht : die Killer-Applikation (2001)
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- 31.12.1996 19:29:41
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Berezak-Lazarus, N.: ADSL - Auf der Überholspur durch die Multimedia-Welt (1999)
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- Footnote
- Rez. in: Internet Professionell 2000, H.2, S.22
-
Rötger, A.: ¬Die Schrittmacher : Standards (2001)
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- Date
- 31.12.1996 19:29:41
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Cerf, V.G.: Netztechnik (1995)
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- Pages
- S.22-31
