MS Mauro Servienti
Blog

ServiceComposer: strongly typed view models without shared coupling

Mauro Servienti examines how strongly typed view models in ServiceComposer can reintroduce the coupling that ViewModel Composition is meant to remove. He proposes per-service interfaces for response models and per-service request models for decomposition, and discusses a DispatchProxy idea that would drop the concrete class. Read on for the trade-offs and deployment caveats, including property name collisions.

Seven emails later: duplicate messages are not a theoretical problem

Mauro Servienti uses a shipping notification that arrived seven times to explain how duplicate messages happen in messaging systems. The post separates duplicates caused by sending, receiving and processing, and lists practical defenses for each. It is a useful read for any .NET developer building queue-based systems.

A weekend Node.js library with transactional outbox and NServiceBus compatibility

Mauro Servienti released Zusammen, an alpha Node.js library that brings the NServiceBus transactional session idea to Node.js. Business data and outgoing messages are committed together in one MongoDB transaction, with a control message and tombstone guarding dispatch to RabbitMQ. It is also a useful case study in AI-assisted development, and a concrete look at the outbox pattern for .NET developers.