...In the mid 20th century before inter-networking, most networks were restricted to only allow communications between stations on a network. Some networks had gateways or bridges, but these bridges were often limited or built specifically for a single use. One computer method at the time was on the mainframe computer method. This method was used in the 1950's project RAND.
ARPA
J.C.R. Licklider was appointed the head of DARPA in 1962. While here he formed an informal group within DARPA to further computer research, as part of his role in DARPA he had installed three network terminals. One for System Development Corporation in Santa Monica, one for Project Genie at the University of California, Berkely and one for the Multics project shopping at MIT. Licklider would need inter-networking for the problems these netorks caused.
Packet Switching
As well as the inter netowkig problem, there was also a problem with connecting separate physical networks to form one logical network so during the 1960's a team of three men, Donald Davies, Paul Baran and leonard Kleinrock, developed Packet Switching. The notion that the Internet was developed to survive a nuclear attack has its roots in the early theories developed by RAND. Baran's research had approached packet switching from studies of decentralisation to avoid combat damage compromising the entire network.
1 comment:
Very informative.
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