Nadia Oyelaran
Principal Cloud Architect
Nadia has spent twelve years designing multi-region control planes for payments and healthcare workloads. She writes about the failure modes that only appear at the seams between managed services.
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The Well-Architected Mind
Designing AWS Systems That Survive Contact With Production
AWSAdvancedArchitecture
Most AWS architecture material teaches you the services. This book teaches you the commitments. Every managed service you adopt is a bet about how your system will change, and some of those bets are very hard to unwind two years later.
Drawing on a decade of multi-region deployments in regulated environments, Nadia Oyelaran works through the decisions that actually determine whether a system ages well: where you put state, how you scope blast radius, when a queue is a load-bearing wall, and why the boundary between accounts matters more than the boundary between services.
Each chapter closes with a reversibility audit — a short checklist for judging how much a given decision will cost you to undo.
What you'll learn
- Judge which architectural decisions are one-way doors before you walk through them
- Scope blast radius deliberately using accounts, regions, and cells
- Design state placement so that scaling does not require a rewrite
- Run a reversibility audit on an existing system you inherited
Table of contents
- 01One-Way Doors28 pp
- 02Where State Lives42 pp
- 03Accounts as Blast Radius36 pp
- 04Cells, Shuffle Sharding, and Isolation44 pp
- 05Queues That Became Load-Bearing38 pp
- 06Multi-Region Without Magical Thinking52 pp
- 07The Reversibility Audit34 pp
- 08Inheriting Someone Else's System40 pp
8 chapters · 412 pages total
Details
- ISBN
- 978-1-959321-01-4
- Edition
- 2nd
- Pages
- 412
- Published
- Formats
- PDF, EPUB
- Platform
- AWS