Answers
The questions, answered directly
The docs state positions. These pages take the question as someone types it, answer it straight, and hand off to the doc that proves it. One question, one answer, one link onward.
- business service vs application service in CSDM
Business service vs application service in CSDM — when to use which
A business service is what someone buys or consumes. An application service is a deployment you can watch. The test is who would complain if it stopped.
- cmdb_ci_service vs cmdb_ci_business_app
cmdb_ci_service vs cmdb_ci_business_app — where the boundary actually is
One is a thing people consume, the other is a thing the portfolio funds. The boundary holds if you ask which question the record is there to answer.
- how to measure CMDB health
How to measure CMDB health without a single score
A single health percentage hides which of three different problems you have. Completeness, correctness and compliance fail for different reasons and have different fixes.
- what IRE does when sources conflict
What ServiceNow's IRE does when two sources disagree
Identification decides whether it is the same CI. Reconciliation decides which source wins each field. Without reconciliation rules you get last-writer-wins, quietly.
- which discovery fields matter for CMDB quality
Which discovery fields actually matter for CMDB quality
A field earns its place if a decision changes when it is wrong. Most estates collect far more than they use and are missing the few that would unlock real quality.
- what each CSDM adoption stage requires
CSDM crawl, walk, run — what each stage actually requires
The stages are usually read as a list of entities to populate. They are better read as a list of decisions you must be able to defend before moving on.