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Insights and perspectives on solution and software architecture
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.
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.
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.
Auditors, regulators, and legal teams keep asking the same question: who changed what, and when? This article explains how Event Sourcing answers it by storing every state change as an immutable event, and walks through a working C# implementation you can run on your own workstation.
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.
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.
A passkey registered on bank.com will not activate on bank-secure-login.com. The cryptography enforces the boundary without asking the user to spot the fake. This post covers why traditional MFA keeps failing, what the 2025 adoption numbers actually say, and how to run a working passkey demo on your own machine in 20 minutes.
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