In the Actor model, this concept is called an "address".

By contrast, the Actor model does specify some of these elements.

The Actor model is about the semantics of message passing.

There is no global state in the Actor model.

A natural development of the Actor model was to allow addresses in messages.

The development of the Actor model has an interesting relationship to mathematical logic.

Investigations began into the basic power of the Actor model.

Recent developments in the Actor model have come from several sources.

One solution to this problem is to use the Actor model of computation.

The Actor model also influenced the development of the π-calculus.