internet

internet

1. what is it?

   • The Internet can be defined as the wired or wireless mode of communication through which one can receive, transmit information that can be used for single or multiple operations.

2. important history dates

   • It was in 1962 when J.C.R Liklider first coined the concept of intergalactic network of networked computers after ARPA (Advanced Research Projects Agency) was created by US Government
   • 1965 It was the year when first WAN or Wide area network was created connecting through long distance
   • 1969 Finally after all the proposals, fundings, designs and first paper packet switching the ARPAnet’s structure proposal was written to design the network structure
   • 1972electronic mail was introduced by Ray Tomlinson that can send messages across distributed networks
   • 1973 Now it is the era where first TCP/IP protocol and Ethernet was invented that interconnects various computer networks for communicating with each other
   • 1982 The first Internet connection was established in Asia
   • 1983 The first DNS or Domain name system was introduced with network addresses to identify an organization by .edu, .com, .org etc.
   • 1984 The first UNIX network was developed in Japan and first e-mail received in Germany.
   • 1991 In this year the World Wide Web is available for public
   • 1994 The first website was launched by White house named as WWW.Whitehouse.gov and then many other commercial websites were launched.

3. internet estructure

   • The Internet is a series of connected networks designed to allow high-speed communication between various organizations, companies and countries. The basic structure of the Internet is broken up between tier 1, tier 2 and tier 3 carriers.