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SysML Distilled: A Brief Guide to the Systems Modeling Language by Lenny Delligatti

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Chapter 7. Sequence Diagrams

Sequence diagrams are a second kind of SysML diagram that you can use to express information about a system’s dynamic behavior. You can use elements called lifelines to model the participants in a system behavior and then use messages between lifelines to model interactions among those participants. You can specify time constraints and duration constraints on interactions. You can also use various kinds of interaction operators to steer the execution of an interaction. Interaction uses let you model behavioral decomposition among a set of interactions.

7.1. Purpose

A sequence diagram is a kind of behavior diagram; like an activity diagram, it presents a dynamic view of the system, a view that expresses sequences of ...

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