.NET Rocks! Balancing Coupling in Software Design with Vlad Khononov
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Nov 7, 2024 Vlad Khononov, a software architect and author of the book on balancing coupling in software design, dives into the intricacies of software architecture. He discusses the three critical aspects of coupling: information, distance, and volatility. When misaligned, they complicate development, especially in microservices. Vlad emphasizes that team dynamics can significantly impact software effectiveness, suggesting that organizing teams differently might improve application development. Additionally, he touches on legacy integration challenges and the evolution of software structures.
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Microservices Failure
- Vlad Khononov's team tried to improve a monolithic system by breaking it into microservices.
- This increased coupling and made the system harder to evolve, a 'catastrophic failure'.
Coupling Dimensions
- Coupling has two aspects: knowledge exchange and distance between components.
- High knowledge exchange over large distances creates complexity, while low exchange and short distances create cognitive load.
Coupling Types
- Loose coupling (low knowledge, high distance) minimizes cascading changes but can increase effort.
- Close coupling (high knowledge, low distance) acknowledges change but minimizes the effort.