Internet Summary- Internet in a Nutshell (Fact sheet / Cheatsheet)

Following fact sheet provides quick summary about Internet:

• The Internet is a collection of more than 100,000 separate networks.
• ARPANET (the early internet) began as a network with four nodes.
• TCP/IP is the protocol suite for the Internet.
• CSNET provided communication between networks ineligible to join ARPANET.
• NSFNET provided communication between networks throughout the United States.
• Local Internet Service Providers (ISPs) connect individual users to the Internet.
• Regional Internet service providers connect local Internet service providers.
• National service providers (NSPs) are backbone networks created and maintained by specialized companies.
• A protocol is a set of rules that governs data communications; the key elements of a protocol as syntax, semantics and timing.
• Standards are necessary to ensure that products from diffrent manufacturers can work together as expected.
• The ISO, ITU-T, ANSI, IEEE, and EIA are some of the orgaizations involved in standards creation.
• Forums are special-interest groups that quickly evaluate and standardize new technologies.
• Two important forums are Frame Relay Forum and ATM Forum.
• The FCC is a regulatory agency that regulates radio, television, and wire/cable communications.
• A Request For Comment (RFC) is an idea or concept that is precursor to an Internet Standard.
• An RFC is categorized as required, recommended, elective, limited use, or not recommended.
• The Internet Society (ISOC) promotes research and other scholarly activities related to the Internet.
• The Internet Architecture Board (IAB) is the technical advisor to the ISOC.
• The Internet Engineering Task Force (IETF) is a forum of working groups responsible for identifying operational problems and proposing solutions to these problems.
• The Internet Research Task Force (IRTF) is a form of working groups focusing on long-term research topics related to Internet protocols, applications, architecture, topology , and technology.
• The Internet Corporation for Assigned Names and Numbers (ICANN), formerly known as IANA, is responsible for the management of Internet domain names and addresses.
• The Network Information Center (NIC) is responsible for collecting and distributing information about TCP/IP protocols.

Above were Important Facts about Internet, The Cheat sheet showed about The Organisation and people who monitor and administers Internet, as well as about how Internet came into existence and evolved from ARPANET.