DHCP - (Dynamic Host Configuration Protocol) - In terms of set-top boxes it's a protocol where networked set-top boxes are automatically assigned a unique network number. DHCP is used by various communication related machinery such as routers, computers, and network adapters.

DNS/DHCP IP Management Software for Service Providers - Service Provider IP management solutions for Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) enterprises.
DNS/DHCP IP Management Software for Service Providers should be compatible with different technologies and platforms as well as offer extensive add-on tools.

DNS - Digital Network Services.

See the Interactive Television Institute.