DHCP runtime covers common functions such as backup and restore, lease issuance, boot file configuration, general network communication, authorization and address conflicts, Active Directory configuration, general availability, rogue detection...
<ClassType ID="Microsoft.Windows.DHCPServer.Library.IPv4Runtime" Accessibility="Public" Abstract="false" Base="Microsoft.Windows.DHCPServer.Library.DHCPComponent" Hosted="true" Singleton="false"/>