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ICANN (Internet Corporation for Assigned Names and Numbers)

The Internet Corporation for Assigned Names and Numbers is an American multistakeholder group and nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces and numerical spaces of the Internet, ensuring the network's stable and secure operation.ICANN performs the actual technical maintenance work of the Central Internet Address pools and DNS root zone registries pursuant to the Internet Assigned Numbers Authority (IANA) function contract. The contract regarding the IANA stewardship functions between ICANN and the National Telecommunications and Information Administration (NTIA) of the United States Department of Commerce ended on October 1, 2016, formally transitioning the functions to the global multistakeholder community. Much of its work has concerned the Internet's global Domain Name System (DNS), including policy development for internationalization of the DNS system, introduction of new generic top-level domains (TLDs), and the operation of root name servers. The numbering facilities ICANN manages include the Internet Protocol address spaces for IPv4 and IPv6, and assignment of address blocks to regional Internet registries. ICANN also maintains registries of Internet Protocol identifiers.

Domain Related Informaton From Perspective Of ICANN Cloud Deployment

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Information for Domain Name Registrants

A domain name registrant is an individual or entity who registers a domain name. Upon registration of a domain name, a registrant enters into a contract with a registrar. The contract describes the terms under which the registrar agrees to register and maintain the requested name. After registration, registrants manage their domain name settings through their registrar. To modify a setting, a registrant submits the changes to the registrar, and the registrar sends the change to the registry. As a domain name registrant, you have certain rights and responsibilities. Your rights include access to information from your registrar regarding processes for registering, managing, transferring, renewing, and restoring your domain name registration.

Domain Name System? (DNS)

The domain name system, or DNS, is a system designed to make the Internet accessible to human beings. The main way computers that make up the Internet find one another is through a series of numbers, with each number (called an “IP address”) correlating to a different device. However it is difficult for the human mind to remember long lists of numbers so the DNS uses letters rather than numbers, and then links a precise series of letters with a precise series of numbers. The end result is that ICANN’s website can be found at “icann.org” rather than “192.0.32.7” – which is how computers on the network know it. One advantage to this system – apart from making the network much easier to use for people – is that a particular domain name does not have to be tied to one particular computer because the link between a particular domain and a particular IP address can be changed quickly and easily.

ICANN’s Role?

ICANN’s role is to oversee the huge and complex interconnected network of unique identifiers that allow computers on the Internet to find one another. This is commonly termed “universal resolvability” and means that wherever you are on the network – and hence the world – that you receive the same predictable results when you access the network. Without this, you could end up with an Internet that worked entirely differently depending on your location on the globe.

ICANN Structured

ICANN is made up of a number of different groups, each of which represent a different interest on the Internet and all of which contribute to any final decisions that ICANN’s makes.There are three “supporting organisations” that represent:

  • The organisations that deal with IP addresses
  • The organisations that deal with domain names
  • The managers of country code top-level domains (a special exception as explained at the bottom).

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