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Dynamic Host Configuration Protocol

A protocol for assigning dynamic IP addresses to devices on a network. Devices can be your computer, router, wireless access point, telephone, even your fridge!!

With dynamic addressing, a device can have a different IP address every time it connects to the network.  DHCP also supports a mix of static and dynamic IP addresses.

Dynamic assignment of IP addresses makes the life of a network administration easier because the DHCP server (called a server but is generally a software program running on a server) keeps track of IP addresses rather than requiring an administrator to manage the task. This means that a new device can be added to a network without the hassle of manually assigning it a unique IP address.

Generally ISPs use dynamic IP addressing for dial-up and broadband users.

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