Diagram - Internet map

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Early internet map

Early internet map

Arpanet 69-77

Arpanet 69-77

City to city communications pre 2010

City to city communications pre 2010

Map of the ARPANET as of Jun 30, 1982. Created by BBN Technologies.

Map of the ARPANET as of Jun 30, 1982. Created by BBN Technologies.

Internet Map 2009

Internet Map 2009

Original ARPANET logical map, circa 1977

Original ARPANET logical map, circa 1977

early sketch of ARPANET's first four nodes

early sketch of ARPANET's first four nodes

Contemporary map of the entire Internet in semi-production phase (many hosts attached to the ARPANET were still using NCP at this point) in February 1982. The ovals are sites/networks (some sites included more than one physical network), the rectangles are individual routers. No individual hosts are shown. Drawn by Jon Postel of the Information Sciences Institute, under a DARPA research contract as part of Internet development.

Contemporary map of the entire Internet in semi-production phase (many hosts attached to the ARPANET were still using NCP at this point) in February 1982. The ovals are sites/networks (some sites included more than one physical network), the rectangles are individual routers. No individual hosts are shown. Drawn by Jon Postel of the Information Sciences Institute, under a DARPA research contract as part of Internet development.

NSFNet Backbone, 1992

NSFNet Backbone, 1992

Arpanet - Although ARPA initially focused on areas like nuclear defence, it is now better known for its work pioneering technologies, such as the early internet. (Copyright: Darpa)

Darpa: The element of surprise

Arpanet - Although ARPA initially focused on areas like nuclear defence, it is now better known for its work pioneering technologies, such as the early internet. (Copyright: Darpa)

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