Εισαγωγικά Θέματα WWW

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Εισαγωγικά Θέματα WWW Πρωτόκολλα & Υπηρεσίες WWW

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Εισαγωγικά Θέματα WWW. Πρωτόκολλα & Υπηρεσίες WWW. Ιστορικά στοιχεία. 1990: Ο Tim Berners-Lee κάνει την πρόταση για δημιουργία του WWW και HTTP 1990: ο πρώτος browser 1991: o πρώτος web server στο Stanford 1993: NCSA Mosaic 1994: ο πρώτος Netscape - PowerPoint PPT Presentation

Transcript of Εισαγωγικά Θέματα WWW

  • WWW & WWW

  • 1990: Tim Berners-Lee WWW HTTP1990: browser1991: o web server Stanford1993: NCSA Mosaic1994: Netscape1995: HTML 2.0, MS Internet Explorer1997: HTML 3.21998: XML1999: HTML 4.0,

  • TCP/IP: Echo, Ping, Traceroute, Whois, FTP, E-mail (SMTP, POP3, IMAP), TELNET, HTTP

  • TCP (Transfer Control Protocol)DARPA 1973 Web Full Duplex

  • IP (Internet Protocol) hosts

  • IP 32-bit. InterNIC

    : x.x.x.x(x: 0-255) bits 5 Class A-E

  • IP

  • IPv6 IP : IP version 6 (IPv6) 128 bit ( 32) x : x : x : x : x : x : x : x (x 16bit, )FEDC:BA98:4798:8798:FEDC:BA98:78D9:3425 Multicast ( / ) : http://www.ipv6.org

  • Domain Name Service (DNS)Domain Name Service IP .. 150.140.141.181 diogenis.ceid.upatras.gr, InterNicCENTRGR - HOSTMASTER

  • InternetClient Server ( - ) (server) (client) server client

  • HTTP (HyperText Transfer Protocol) client serverUniform Resource Identifier , ,

    HTTP URL URI ( html .. ) http.. http://www.ceid.upatras.gr/proptyxiaka/mathimata.htm web server

  • HTTP HTTP client server GET ( )GET http://www.w3.org/pub/www/theproject.html HTTP/1.1

    HEAD POSTOPTIONS PUT DELETE TRACE CONNECT

  • HTTP (HyperText Transfer Protocol)www.panteion.grGET www.panteion.gr HTTP/1.1HTTP/1.1 200 OK

  • HTTP

  • FTP: 2 SMTP: emailICMP: ( ping/traceroute )

  • (Hypertext) HTML, (, , ) (tags), , *.html, *.html

  • HTML

  • . ? ; ; (Search Engines)Google (www.google.com), Yahoo! (www.yahoo.com), Altavista (www.altavista.com)A9 (http://a9.com)

  • 1 Manchester United

  • Manchester United Manchester City"Manchester united" or "Manchester city

    Brown Sugar lyrics Rolling StonesBrown Sugar lyrics stones (Google)

  • Manchester United Manchester City"Manchester united" or "Manchester city

    Brown Sugar lyrics Rolling StonesBrown Sugar lyrics stones (Google)

  • Manchester United Manchester City"Manchester united" or "Manchester city

    Brown Sugar lyrics Rolling StonesBrown Sugar lyrics stones (Google)Advanced Search Altavista

  • Google?

  • [email protected]