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Criterion
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration with architecture components and concrete change tasks for comparison.
Architecture
SAAM (Software Architecture Analysis Method)
Paper illustration of two considered options leading to a decision record with a marked status and visible consequences.
Architecture
Architecture Decision Record
Paper illustration of Request for Comments (RFC) with its method-specific working model.
Architecture
Request for Comments
Purposedifferent
In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures.SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning.An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale.
Complexitydifferent
LowHighLowMedium
Timedifferent
20–45 minPreparation, scenario analysis, and findings review; effort depends on scope15-45 min1-3 Wochen vom Draft bis zur Entscheidung
Participantsdifferent
Small cross-functional groupArchitecture experts and stakeholders for scenarios and weighting1-33-20 Reviewer
Formatdifferent
WorkshopWorkshop + asyncAsyncAsync
Outputdifferent
Risk list, Mitigation plan, Assumption logDomain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternativesADR File, Decision Log, RationaleRFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets
Tagsno overlap
RiskDecisionFailurePlanning
ArchitectureChangeAnalysisComparisonQuality
ArchitectureRationaleDocumentationGovernance
ArchitectureDecisionAsyncGovernance
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