Actors in .NET, 2025 edition

on YouTube ↗40m

" summary

Overview of modern .NET actor frameworks with hands‑on specifics: Akka.NET (C#/F#) used at NRK, Microsoft Orleans (virtual grains) and Proto.Actor compared by downloads and design tradeoffs (≈25M, ≈20M, ≈2M). Recreated a file uploader to Amazon S3 where design is one actor per file and uploads go through a router pool of size 10; deployed system handles thousands of files with hundreds of actors, no locks or explicit threads, and uses RabbitMQ plus SQL/NoSQL and event‑sourced persistence.

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" chapters (14)

1. 0:00Introduction
2. 1:12Explore actor model in C#
3. 3:20OOP concurrency challenges
4. 5:51Actor model fundamentals
5. 10:09Moore’s and Amdahl’s Laws
6. 13:26OOP design problems
7. 16:16Actor model core principles
8. 18:46Actor model for distributed systems
9. 21:39NRK actor example
10. 23:00Actor frameworks in .NET
11. 27:20Choosing Orleans, Akka.NET, or Proto.Actor
12. 30:14AI code demo walkthrough
13. 36:19NRK actor implementation
14. 37:43Summary

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