1. A method for communicating data, comprising the steps of: receiving a data unit, said data unit includes a destination address and a first set of information representing a first domain name, said destination address corresponds to each entity in a set of two or more entities, said domain name corresponds to a first entity in said set of entities; translating said first domain name to a first address, said first address corresponds to said first entity and does not correspond to any other entity in said set of entities; and sending said data unit to said first entity using said first address.