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The following outline is provided as an overview of and topical guide to the Internet.

The Internet is a worldwide, publicly accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP). It is a "network of networks" that consists of millions of interconnected smaller domestic, academic, business, and government networks, which together carry various information and services, such as electronic mail, online chat, file transfer, and the interlinked Web pages and other documents of the World Wide Web.

Internet features

Hosting –
- File hosting –
- Web hosting
- E-mail hosting
- DNS hosting
- Game servers
- Wiki farms
Voice over IP
IPTV

Internet communication technology

History of the Internet

Networks prior to the Internet
- NPL network – a local area computer network operated by a team from the National Physical Laboratory in England, the first to implement packet switching, the design of which influenced other networks that followed.
- ARPANET – the first wide-area packet switching network, developed by the Advanced Research Projects Agency in the United States, and one of the first networks to implement the TCP/IP protocol suite which later became a technical foundation of the Internet.
- SATNET – an early satellite packet-switched network, also developed by the Advanced Research Projects Agency, which implemented TCP/IP before the ARPANET.
- Merit Network – a computer network created in 1966 to connect the mainframe computers at universities that is currently the oldest running regional computer network in the United States.
- CYCLADES – a French research network created in the early 1970s that pioneered the concept of internetworking by making the hosts responsible for the reliable delivery of data on a packet-switched network, rather than this being a service of the network itself.
- Computer Science Network (CSNET) – a computer network created in the United States for computer science departments at academic and research institutions that could not be directly connected to ARPANET, due to funding or authorization limitations. It played a significant role in spreading awareness of, and access to, national networking and was a major milestone on the path to development of the global Internet.
- National Science Foundation Network (NSFNET) – an American networking project, initially created to link researchers to the NSF-funded supercomputing centers that, through further public funding and private industry partnerships, developed into a major part of the early Internet backbone.
History of Internet components
- History of packet switching – a method of grouping data into packets that are transmitted over a digital network, conceived independently by Paul Baran and Donald Davies in the early and mid-1960s.
- History of communication protocols – the set of rules to enable data communication between computers on a network.
- History of internetworking – networking between computers on different networks.
- very high speed Backbone Network Service (vBNS) –
- Network access point (NAP) –
- Federal Internet Exchange (FIX) –
- Commercial Internet eXchange (CIX) –
List of Internet pioneers
Timeline of Internet conflicts

Internet usage

Internet politics

Internet privacy – a subset of data privacy concerning the right to privacy from third parties including corporations and governments on the Internet.
Internet censorship – the control or suppression of what can be accessed, published, or viewed on the Internet enacted by regulators or self-censorship.
- m* Content control software – a type of software that restricts or controls the content an Internet user is capable to access.
- Internet censorship and surveillance by country
- Internet censorship circumvention – the use of techniques and processes to bypass filtering and censored online materials.
Internet law – law governing the Internet, including dissemination of information and software, information security, electronic commerce, intellectual property in computing, privacy, and freedom of expression.

Internet organizations

Domain name registry or Network Information Center (NIC) – a database of all domain names and the associated registrant information in the top level domains of the Domain Name System of the Internet that allow third party entities to request administrative control of a domain name.
- Private sub-domain registry – an NIC which allocates domain names in a subset of the Domain Name System under a domain registered with an ICANN-accredited or ccTLD registry.
Internet Society (ISOC) – an American non-profit organization founded in 1992 to provide leadership in Internet-related standards, education, access, and policy.
InterNIC (historical) – the organization primarily responsible for Domain Name System (DNS) domain name allocations until 2011 when it was replaced by ICANN.
Internet Corporation for Assigned Names and Numbers (ICANN) – a nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces of the Internet, ensuring the network's stable and secure operation.
- Internet Assigned Numbers Authority (IANA) – a department of ICANN which allocates domain names and maintains IP addresses.
Internet Activities Board (IAB) –
- Internet Engineering Task Force (IETF) –

Non-profit Internet organizations

Advanced Network and Services (ANS) (historical) –
Internet2 –
Merit Network –
North American Network Operators' Group (NANOG) –

Commercial Internet organizations

Amazon.com –
ANS CO+RE (historical) –
Google – an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.

Cultural and societal implications of the Internet

Sociology – the scientific study of society, including patterns of social relationships, social interaction, and culture.
- Sociology of the Internet – the application of sociological theory and methods to the Internet, including analysis of online communities, virtual worlds, and organizational and social change catalyzed through the Internet.
- Digital sociology – a sub-discipline of sociology that focuses on understanding the use of digital media as part of everyday life, and how these various technologies contribute to patterns of human behavior, social relationships and concepts of the self.
Internet culture
List of web awards

Underlying technology

MOSFET (MOS transistor)
- CMOS (complementary MOS)
- LDMOS (lateral diffused MOS)
- Power MOSFET
- RF CMOS (radio frequency CMOS)
Optical networking
Telecommunications network
- Modem
- Telecommunication circuit
Wireless network

By region

Internet in Africa

By country

World Wide Web

Websites
Web applications
- Webmail –
- Online shopping
- Online auctions
- Webcomics
- Wikis

This page was redesigned at the edge.

A page that knows where it met you.

// Workers AI · dad joke modeIs the Outline of the Internet lagging? Does it need an update?

Internet features

Internet communication technology

Internet infrastructure

Internet communication protocols

Link layer

Internet layer

Transport layer

Application layer