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TEMA 9 INTERNET ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ÍNDICE:

Historia de Internet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Definición de Internet ,[object Object],[object Object]

Estructura de Internet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Arquitectura de Internet ,[object Object],[object Object],[object Object]

El modelo Cliente/Servidor Servidor www Leonardo Red Física petición respuesta Máquina local http://www.iesleonardo.info NETSCAPE

Servicios de Internet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

World Wide Web ( WWW) Ejemplo de petición de una página (GET, petición) GET /~jgb/test.html HTTP/1.0 Connection: Keep-Alive User-Agent: Mozilla/4.07 [en] (X11; I; Linux 2.2.15 i586; Nav) ... Host: gsyc.escet.urjc.es Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, i ... Accept-Encoding: gzip Accept-Language: en Accept-Charset: iso-8859-1,*,utf-8

World Wide Web ( WWW) Ejemplo de respuesta del servidor (GET, Respuesta) HTTP/1.1 200 OK Date: Tue, 23 Jan 2001 12:44:27 GMT Server: Apache/1.3.9 (Unix) Debian/GNU Last-Modified: Tue, 23 Jan 2001 12:39:45 GMT ETag: "19e89f-22-3a6d7b91" Accept-Ranges: bytes Content-Length: 34 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: text/html <html>Esto es una prueba</html>

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CGI

World Wide Web ( WWW) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Acceso Remoto (Telnet) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Acceso Remoto (Telnet) ,[object Object],[object Object]

Correo Electrónico ( e-mail) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Correo Electrónico ( e-mail) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Correo Electrónico ,[object Object],Usuario: [email_address] Protocolo SMTP Servidor de Correo Entrante Pop3.wanado.es Servidor de Correo Saliente Mailhost.terra.es Protocolo POP o IMAP Internet Cliente de correo Cliente de correo Protocolo SMTP Usuario: [email_address] Buzón del usuario edu Msg1:.. Msg2:.. ...

Transferencia de ficheros ( FTP) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transferencia de ficheros ( FTP) ,[object Object],[object Object],[object Object]

Servicios de noticias ( news) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Servicios de conversación (Chat ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Servicios de conversación (Chat ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aplicaciones de Internet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aplicaciones de Internet ,[object Object],[object Object],[object Object],[object Object],[object Object]

NIC’s (Network Information Centers) ,[object Object],[object Object],[object Object],[object Object],[object Object]

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