A model for concurrency by Carl Hewitt. Actors are autonomous and concurrent objects which execute asynchronously. The Actor model provides flexible mechanisms for building parallel and distributed software systems. . ["Laws for Communicating Parallel Processes", C. Hewitt et al, IFIP 77, pp. 987-992, N-H 1977]. ["ACTORS: A Model of Concurrent Computation in Distributed Systems", Gul A. Agha , Cambridge Press, MA, 1986]. (1999-11-23)
