domingo, 10 de junio de 2007

INTERNET FIRST STEPS!!




Lick was a guy who desinged networks, he gave great contribution to the actual network!!
Lick was asked to join ARPA (advanced research project agency).
1966 lawrence create ARPANET I conmutation packages.
1969 ARPANET II 22 computers conected.
1980 tcp/ip standard internet protocol.
1983 due to the growt of ARPANET users separetes into MILNET, also it appeared two new applications: TELNET allows to conect between pc's and use their programs, FTP is a technology that allows to upload and download information!!!
1989 Tim Berners-Lee created the HTML (Hyper text Markup language) way to unify information on the web.
1990 the core of internet was of 21 nodes and 46 mbps., about 50000 net conected arround the world.
1993 first grafic navigator MOSAIC
1994 First comercial use NETSCAPE

URL (uniform resource locator) names are translated into IP Address, which are numbers of 32 bits, separed into 4 parts, start from 232 address, 4000 millions!!

DMS domain main servers!!

INTERNET 2.0!!!! find more than 4000 million of addresses it's separed into 6 parts!!

HTTP (Hyper Text Transform Protocol) give the way of comunicating with the server if there is a protocol secure must stand an "s" at the end.

SMTP
POP using mail protocols!!! connect to e mails bringing the information from the mail box, to your outlook which is an aplication stored in your pc!!
IMAP II
SSL (SECURE SOCKET LAYER) way to encript information, it is fundamental to garantiee the e-commerce and secure payments through the web!!

PING allows you now if the server is busy!!










No hay comentarios: