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Boundary Events vs Event Subprocess en BPMN — Comparaison complète

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Dans un workflow BPMN rĂ©el, il faut gĂ©rer des situations inattendues : L’utilisateur annule une demande Un dĂ©lai est dĂ©passĂ© Un SLA est violĂ© Un paiement Ă©choue Deux Ă©lĂ©ments BPMN permettent cela : 👉 Boundary Events 👉 Event Subprocess Ils sont souvent confondus mais leur comportement est très diffĂ©rent. 📌 DĂ©finitions rapides Boundary Event AttachĂ© Ă  une activitĂ© spĂ©cifique. Event Subprocess AttachĂ© Ă  l’ensemble du processus. đź–Ľ️ DiffĂ©rence visuelle 4 đź§  ComprĂ©hension conceptuelle Boundary Event → surveille une tâche Event Subprocess → surveille tout le processus 🔥 Comparaison comportementale Fonction Boundary Event Event Subprocess PortĂ©e ActivitĂ© unique Processus complet DĂ©clenchement Pendant la tâche Ă€ tout moment Cas d’usage Exception locale ÉvĂ©nement global Connexion AttachĂ© Ă  tâche Aucun flux entrant VisibilitĂ© Locale Globale đź›  Exemple rĂ©el — Approbation de prĂŞt Processus : Soumettre → Approbation → Paiement ÉvĂ©nements : L’utilisateur annule Le manager tarde Cas 1 : Retard d...

Boundary Events vs Event Subprocess in BPMN — Complete Comparison

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 When modeling real workflows in BPMN, you often need to react to unexpected situations: User cancels request Timeout occurs SLA exceeded Payment failure Two BPMN constructs handle this: 👉 Boundary Events 👉 Event Subprocess Many developers confuse them — but they behave very differently. This guide explains when to use each with real scenarios. 📌 Quick Definition Boundary Event Attached to a specific activity (task). Event Subprocess Attached to the entire process scope. đź–Ľ️ Visual Difference 4 đź§  Conceptual Understanding Think like this: Boundary Event → “Watch this task” Event Subprocess → “Watch the whole process” 🔥 Behavior Comparison Feature Boundary Event Event Subprocess Scope Single activity Entire process Trigger Only when task active Anytime during process Use Case Task-level exception Global business event Flow Connection Attached to task No incoming sequence Visibility Local Global đź›  Real Scenario — Loan Approval Process: Submit Request → Manager Approval → Disbur...