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The INTERNET and the WORLD WIDE WEB by Mind Map: The INTERNET and the WORLD WIDE WEB
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The INTERNET and the WORLD WIDE WEB

The History of the INTERNET

1960 U.S. Department of Defence

1969 ARPA created ARPANET, Connected 4 computers in 4 U.S. Universities

1972 Ray Tomlinson

Created EMAIL

1979 User's News Network

Allowing people to READ & POST artiicles

1990 300,000 computers connected

1995 New Structure of the INTERNET

4 NAP Network Access Points, San Francisco, New York, Chicago, Washington D.C

WORLD WIDE WEB

Web Server

or Hypertext Server, Storing files in hypertext markup language HTML, Set of Codes, Indicates which part of text is a Heading or Numbered List, Hyperlink can point to text in the same HTML or to another

Web Browser

Software Interface to browse/read HTMLs, MS Explorer, Netscape Navigator

HARDWARE

Router

Determining the best path for the PACKET to travel to it's destination, Routing Computers, Gateway Computers, Border Router

Connecting Networks to Other Networks

Hubs, Switches, Bridges

No Brains

Connecting moving PACKETS from One Part of the Network to Another

SOFTWARE

GUI Graphical User Interface

MS Windows

NETWORKS

LAN's

Local Area / Same Building

WAN's

Wide Area

Using Packet Switching to move data between 2 points, Files and Emails are broken down into PACKETS, With origins, sequences, and destination addresses, Each PACKET may take a different path decided by the ROUTER

INTERNET PROTOCOLS

2 MAIN Protocols

TCP Transmission Control Protocol, How Data Moves Through the Internet, How Network Connections are Established and Terminated, Controls Message Disassembly into PACKETS before it is transmitted on the Internet, Controls Message Reassembly when they reach thier destination

IP Internet Protocol, Specifies the Origin and Destination Addresses, IP Addresses, 4 group of number seperated by decimals, The ROUTER marks each PACKET with an Origin and a Distination IP Address, IP Addresses are assignent by 3 Orgs, ARIN, American Registry for Internet Numbers, RIPE, Reseaux IP Europeens, APNIC, Asia-Pacific Network Information Center

SMTP Simple Mail Transfer Protocol

Email

DOMAIN NAMES

Set of words that are assignigned to Specific IP Addresses

Top-Level Domain

.com

.edu

.ca

Sponsored Top-Level Domain

Recognized Institution

MARKUP Languages

SGML

Standard Generalized, META Language Used to define other MKPL's, Expensive and Time Consuming

HTML

Hypertext, The text elements that are related to eachother, Easier to Learn

XML

Exstensible, Also a META Language, Users sreate thier own elements that EXTEND thier usefulneee

XHTML

Extensible Hypertext, Reformulation of HTML