Open Root Server Confederation - Confederation of Non-ICANN domain name registries.gTLD-MoU - The international framework in which policies for the administration and enhancement of the Internet's generic Domain Name System (DNS) are developed and deployed.
Internet Assigned Numbers Authority - The non-profit corporation responsible for assigning TLDs.
ICANN - The non-profit corporation responsible for IP address allocation, protocol parameter assignment, as well as domain name and root server system management functions.