Architects reviewing a technology decision record and its consequences

Technology decision notes

Questions and trade-offs for people accountable for long-lived systems.

Use these notes to frame decisions, challenge assumptions, compare operating consequences, and connect architecture with the work of running the result.

Decision library

Continue through the operating consequences.

02

Cloud Computing · 8 min

Resilience Starts With Service Boundaries, Not Regions

Cloud resilience improves when leaders define the service, failure assumptions, recovery decisions, dependencies, and evidence before multiplying infrastructure.

2026-07-10 · Cloud and Platform Practice

03

Cybersecurity · 7 min

Zero Trust Is an Operating Discipline

Zero trust becomes practical when identity, device, workload, data, policy, exceptions, telemetry, and response are managed as one operating system.

2026-07-09 · Security Architecture Practice

04

Software Engineering · 7 min

Modernize the Constraint, Not the Entire Application

Application modernization becomes safer when teams identify the constraint, choose treatment by capability, and design transition and retirement with the target state.

2026-07-08 · Application Modernization Practice

05

DevOps · 7 min

Treat the Internal Platform as a Product

Internal platforms earn adoption by solving recurring developer and operator work through supported journeys, explicit contracts, telemetry, and product ownership.

2026-07-07 · Platform Engineering Practice

06

Data Ecosystems · 7 min

Data Products Need Owners, Contracts, and Users

Trustworthy data is created through explicit meaning, source and consumer contracts, observable quality, clear ownership, and feedback from actual use.

2026-07-06 · Data Engineering Practice

07

Enterprise Architecture · 8 min

Architecture Decisions Should Record Reversibility

Better architecture records explain context, options, consequences, dependencies, evidence, and the conditions that should trigger review or reversal.

2026-07-05 · Enterprise Architecture Practice

08

Technology Trends · 8 min

Choose Technology Through Operating Consequences

Technology priorities become clearer when leaders compare how each option changes ownership, skills, controls, reliability, data, suppliers, transition, and exit.

2026-07-04 · Technology Advisory Practice

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Apply the decision frame to the system in front of you.