Dynamic domain name system in Linux

by | Jul 27, 2021 | Homework Help

Need an research paper on dynamic domain name system in Linux. Needs to be 7 pages. The Dynamic Host Configuration Protocol (DHCP) allowed enterprises and Internet service providers (ISPs) to assign addresses to computers on the fly as they powered up. The Domain Name System brought a method of distributing the address information automatically online through recursive queries to remote databases configured for each domain. In addition, this helped conserve the address space available, since not all devices might be actively used at all times and addresses could be assigned as needed. This feature required that DNS servers be kept current automatically as well.

The first implementations of dynamic DNS fulfilled this purpose. The excessive use of the Internet by all even in people’s homes brought a growing shortage of available IP addresses. DHCP became an important tool for ISPs to manage their address spaces for connecting home and small-business end-users with a single IP address each by connecting them through a Network Address Translation (NAT) router. Behind these routers (in the private network) it was possible to reuse address space set aside for these purposes. This, however, broke the end-to-end principle of Internet methods were required to allow private networks, masqueraded by frequently changing IP addresses, to discover their routable ‘outside’ address and insert it into the domain name system in order to participate in Internet communications more fully.

Today, numerous providers, called Dynamic DNS service providers, offer such technology and services on the Internet. They provide a software client program that automates this function. The client program is executed on a computer in the private network. It connects to the service provider’s systems and causes those systems to link the discovered public IP address of the home network with a host name in the domain name system. Depending on the provider, the host name is registered within a domain owned by the provider or the customer’s own domain name. These services can function by a number of mechanisms. Often they use an HTTP service request since even restrictive environments usually allow HTTP service.

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