Internet Assigned Number Authority (IANA) Assigns parameters and keeps them from colliding protocol numbers IP addresses mostly delegated to the 4 (going on 5) IP Address registries domain names deals with top level domains (TLDs) rest delegated to DNS name registries Functions split with the creation of ICANN Internet Corporation for Assigned Names and Numbers Independent corporation to take over IANA functions Under contract with US government Now IETF-IANA and non-IETF-IANA |