One form of control that is necessary (and possible) is the name service, which allocates Domain Names on the Internet. These are unique names for subnetworks, which allow easier (human) access to Internet addresses. So, instead of having to remember that UCC's (numeric) addresses all begin 143.239, you can just use .ucc.ie at the end of a name. (We'll explain more about addressing in the next lecture).

In Ireland the IEDR (IE domain registry)looks after the registration of Domain Names