The World-Wide Computer (WWC) is a set of virtual machines, or theaters that host one to many concurrently running universal actors. Theaters provide a layer beneath actors for message passing, remote communication, and migration. Every theater consists of a RMSP (Remote Message Sending Protocol) server, a local cache that maps between actors' names and their current locations, a registry that maps local actor names to their references, and a run-time environment. The RMSP server listens for incoming requests from remote actors and starts multiple threads to handle incoming requests simultaneously.
The WWC consists of the following key components: