Buffers · The protection · Element
The rule
What the buffer may be used for.
The part
What it is
Absorbing slippage, not accommodating additional scope. The two are easily confused and the confusion is usually deliberate.
Stated when the plan is agreed rather than argued about when the buffer is wanted.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
The other elements in the protection
The challenge
What happens when someone wants it back.
LearnThe evidence
What happened last time it was removed.
Learn