Replication and Consistency: Living With Copies That Disagree
Once data has two copies, they can disagree. See what each replication scheme costs, what the models between strong and eventual promise, and when clocks lie.
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Partial Failure: What Breaks When Systems Talk Over a Network
A timeout says the caller stopped waiting, not what the remote work did. See how partial failure, retry storms, and duplicates arise, and which defenses help.
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Architecture Decisions: From Requirements to Recorded Rationale
A walk through one architecture decision: constraints, quality scenarios, alternatives, one-way and two-way doors, an ADR, and the triggers for revisiting it.
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Quality Attributes: A Shared Language for Judging Systems
Fast, reliable, and scalable mean different things to different teams. Define each quality precisely, measure it, and see where improving one costs another.
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Architecture Levels and Domains: Who Decides What
Architecture spans the enterprise down to one system. See how scope and domain differ, why logical, physical, and operational views diverge, and who decides.
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Data Platforms and Developer Platforms: Roles and Boundaries
Four things get called a platform. See what each one hides, which capabilities data and developer platforms share, and how to draw the line of responsibility.