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sequence diagram
Every party gets a lifeline. Every message, request, or handoff is an arrow from one lifeline to another, drawn at the point where it happened. Waiting shows up as distance with no arrows in it. The form is unusually good at showing who is blocked and who does not know they are being waited on.
Every party gets a lifeline. Every message, request, or handoff is an arrow from one lifeline to another, drawn at the point where it happened. Waiting shows up as distance with no arrows in it. The form is unusually good at showing who is blocked and who does not know they are being waited on.
Example
Best when two or more parties exchange things, and you suspect the trouble lives in a handoff or in the waiting between handoffs.
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