File:Arpanet_logical_map,_march_1977.png · Wikimedia Commons · See Wikimedia Commons
Q177524
Sign in to savethumb|upright=1.35|ARPANET access points in the 1970s
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Key facts
- Telecommunications network.image
- 300px
- Telecommunications network.caption
- ARPANET logical map, March 1977
- Telecommunications network.commercial
- No
- Telecommunications network.type
- Data<!-- data
- Telecommunications network.location
- United States, United Kingdom, Norway
- Telecommunications network.operator
- From 1975, Defense Communications Agency
- Telecommunications network.protocols
- Layers 1-3: 1822 protocol (IMP-host), internal/undocumented (IMP-IMP) Layers 4+: NCP, later TCP/IP
- Telecommunications network.funding
- From 1966, Advanced Research Projects Agency (ARPA)
via Wikipedia infobox
~32 min read
Encyclopedic overview
23 sectionsContents
- Inspiration
- Creation
- Implementation
- Initial four hosts
- Network performance
- Growth and evolution
- Networking evolution
- IMP functionality
- 1822 protocol
- Network Control Program
- TCP/IP
- Operation
- Applications
- Security
- Rules and etiquette
- Decommissioning
- Legacy
- Debate about design goals
- See also
- References
- Sources
- Further reading
- External links
thumb|upright=1.35|ARPANET access points in the 1970s
The Advanced Research Projects Agency Network (ARPANET) was the first wide-area packet-switched network with distributed control and one of the first computer networks to implement the TCP/IP protocol suite. Both technologies became the technical foundation of the Internet. The ARPANET was established by the Advanced Research Projects Agency (now DARPA) of the United States Department of Defense.
Excerpted from Wikipedia’s “Q177524” article, available under the CC BY-SA 4.0 licence.
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