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Domain Name
The Internet has grown into an interconnected world of billions of hosts, which provision various resources and services. A domain name is a string to uniquely identify a resource or a service on the Internet. These names are registered at the global distributed database known as the Domain Name System (DNS). This entry examines the purpose of domain names, the DNS and its history, the organization of domain name space, as well as several related issues, including domain name resolution, security, and internationalization.
Purpose of Domain Names
As the substrate of the Internet, TCP/IP (Transmission Control Protocol/Internet Protocol) stacks consist of four layers, among which the Internet layer defines IP addresses to locate any host on the Internet. With the destination IP address, any Internet layer ...
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