Akka and Distributed Systems

  1. The Actor Model
    1. Theoretical Foundations
      1. Carl Hewitt's Original Model
        1. Mathematical Foundations
          1. Computational Theory
          2. Core Principles
            1. Isolated State and Behavior
              1. State Encapsulation
                1. Avoiding Shared Mutable State
                  1. Data Locality
                  2. Asynchronous Message Passing
                    1. Non-blocking Communication
                      1. Decoupling of Components
                        1. Message Ordering
                        2. Mailbox Architecture
                          1. Message Queuing Mechanisms
                            1. Message Ordering Guarantees
                              1. Mailbox Overflow Handling
                              2. Sequential Message Processing
                                1. Single-threaded Processing
                                  1. Race Condition Avoidance
                                    1. Processing Guarantees
                                  2. Actors as Units of Concurrency
                                    1. Lightweight Concurrency Model
                                      1. Scalability Characteristics
                                        1. Resource Efficiency
                                          1. Thread Pool Management
                                          2. Actor Hierarchies
                                            1. Parent-Child Relationships
                                              1. Supervision Trees
                                                1. Fault Isolation Boundaries
                                                2. Comparison to Other Models
                                                  1. Object-Oriented Programming
                                                    1. Encapsulation Differences
                                                      1. Method Calls vs. Messages
                                                        1. Inheritance vs. Composition
                                                        2. Functional Programming
                                                          1. Thread-Based Concurrency
                                                            1. Event-Driven Programming

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                                                          1. Foundations of Concurrency and Distributed Systems

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                                                          3. Akka Framework Overview