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Knowledge exercises·Independent answers
Principles and Solutions have been collapsed. Explain the core mechanism, boundaries and verification methods in your own words, and then compare them.
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Explain in your own words first
The core principles, analysis, Q&A and migration cases have been closed. When you are ready, unfold it and compare it with the content to find any omissions.
Hands-on verificationComplete on demand · Suggestions15 minutes
List the failure matrix and allowable compensatory actions for the two-step hotel and flight processes.
Expand acceptance requirements and checkpoints
- Unknown results should be verified first
- Charge action recheck authorization
- Compensate for failure without pretending to be successful
Key inspections
- Compensation is not considered a database rollback
- Check for unknown results first
- Compensation has authorized, idempotent and failed states