Naming Services

The naming service maintains the mapping between interfaces and servers.
It uses this information to answer questions from clients.
At its simplest, it does name matching. New, more semantically complex, description languages are being developed which will provide near-matches.
At its simplest, it returns the name of a host. New technologies hope to provide redundancy and choice.
The object communication protocol handles the object and method references, as well as the marshaling of basic data types.