Actor Model of Computation for Scalable Robust Information Systems
Résumé
The Actor Model is a mathematical theory that treats “Actors” as the universal conceptual primitives of digital computation.
Hypothesis: All physically possible computation can be directly implemented using Actors.
The model has been used both as a framework for a theoretical understanding of concurrency, and as the theoretical basis for several practical implementations of concurrent systems. The advent of massive concurrency through client-cloud computing and many-core computer architectures has galvanized interest in the Actor Model.
Message passing using types is the foundation of system communication:
•Messages are the unit of communication
•Types enable secure communication with any Actor
When an Actor receives a message, it can concurrently:
•send messages to (unforgeable) addresses of Actors that it has;
•create new Actors;
•for an exclusive Actor, designate how to handle the next message it receives.
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