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Read more →Tag: Architecture
Event-Driven Architecture on GCP: Mastering Cloud Pub/Sub for Real-Time Systems
Google Cloud Pub/Sub provides the foundation for event-driven architectures at any scale, offering globally distributed messaging with exactly-once delivery semantics and sub-second latency. This comprehensive guide explores Pub/Sub’s enterprise capabilities. Cloud Pub/Sub Architecture Overview Pub/Sub Architecture: Topics, Subscriptions, and Delivery Guarantees Pub/Sub implements a publish-subscribe pattern where publishers send messages to topics and subscribers receive […]
Read more →The Architecture Decision That Will Make or Break Your System: Monolith vs Microservices in 2025
The debate between monolithic and microservices architectures has evolved significantly over the past decade. What was once a straightforward “microservices are better” narrative has matured into a nuanced understanding that the right architecture depends entirely on context. After leading architecture decisions across dozens of enterprise systems, I’ve learned that the most expensive mistakes come not […]
Read more →Architecture Decision Records (ADRs): Documenting the Why
Code comments explain *what*, but not *why* a particular architectural decision was made. **ADRs** are lightweight Markdown documents capturing context, options considered, and the decision chosen. ADR Template Key Takeaways Store ADRs in the repo (`docs/adr/`). ADRs are immutable. If a decision changes, write a new ADR superseding the old one.
Read more →Azure Service Bus: Messaging Patterns
Service Bus is Azure’s fully managed enterprise message broker. It supports Queues (point-to-point) and Topics/Subscriptions (pub/sub). Choosing the right pattern prevents architectural headaches. Queues vs Topics Dead-Letter Queue Messages that fail processing N times go to a special DLQ for inspection and replay. Key Takeaways Use **Sessions** for ordered processing (FIFO for a specific session […]
Read more →Designing for Nullability in C#
With Nullable Reference Types (NRTs) enabled by default in .NET 6 templates, designing APIs that clearly communicate nullability is no longer optional—it’s expected. Enabling NRTs Guard Clauses Use the new .NET 6 helper to throw if null. Key Takeaways Use `string?` to explicitly mark nullable strings. Use `!` (null-forgiving operator) sparingly—only when you truly know […]
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