DHCP and DNS: What Are They

[Jack prabha]

The DHCP (Dynamic Host Configuration Protocol) and DNS (Domain Name System) are both created to make it easy for us to use networks or the Internet. However, they are totally two different technologies in actual applications. The DHCP is a protocol that helps us to assign an IP address and related IP information to the computer in the network.

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Many network switches also apply DHCP to provide valuable TCP/IP network services, for example, it helps to automatically upgrade software on client systems. Whereas the DNS is used to convert a website name like FS.COM to its IP address and vice versa. This is to ensure that our computer can find the right site because a computer can only find a site through its IP address, rather than its domain name. You may still be confused about how to differentiate them so we have created a detailed overview of exactly how DHCP & DNS work and the differences between them.

How Does DHCP Work?
DHCP works by leasing IP addresses and IP information to network clients for a period of time. To achieve this, the DHCP client has to interact with DHCP servers through a series of DHCP messages, which mainly include DHCP DISCOVER, DHCP OFFER, DHCP REQUEST, and DHCP ACK