API DesignResilience
AI Gateway: Cost Control, Failover, and New Risk
An AI gateway centralizes routing, budgets, and credentials for LLM traffic, but it also becomes a critical-path dependency with its own outage risk.
•15 min read
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Quality & TestingDesign Patterns
Mutation Testing: Your Tests Are Lying and Math Can Prove It
A high coverage number can hide tests that never verify real behavior, tests that run every line without checking whether the logic is actually correct. Mutation testing exposes those gaps by deliberately breaking your code and checking whether any test notices, turning test quality into a number you can measure instead of assume.
11 min read
GovernanceArchitecture Practices
Data Mesh: Decentralization Without the Anarchy
Inside a single telco, "Service" means four different things across four different teams. This is the problem data mesh was built to solve and why getting the canonical model right matters more than any platform decision.
22 min read
Architecture PracticesStakeholder Management
Architecture Tradeoff Analysis: Picking Your Poison (Carefully)
Most architecture debates are not about the wrong answer. They are about tradeoffs nobody made explicit. ATAM is the method that forces both pans of the scale to be loaded before anyone decides.
18 min read
Design PatternsData Management
Event Sourcing: A History Lesson Your Database Actually Wants
Event Sourcing stores every state change as an immutable event, so your database keeps the full history. When to use it, and a working C# implementation.
15 min read
DevOpsArchitecture Practices
Internal Developer Platforms: Stop Reinventing Wheels in Every Squad
Every squad reinventing the same deployment pipelines, logging stacks, and secrets management. Sound familiar? Here is how Internal Developer Platforms end the cycle and let your engineers focus on what actually matters.
14 min read
Design PatternsResilience
Bulkheads: Because One Sinking Service Shouldn't Sink Them All
I watched one misconfigured service take down an entire platform because everything shared the same resource pools. Here is the bulkhead pattern that prevents it, with a working .NET 8 demo you can run locally in minutes.
10 min read
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