Overview of Conversation and Choreographies

Choreography ⌘

• Definition of the expected behavior
• B procedural contract between interacting Participants
• A self-contained Choreography have no Pools or Orchestration
• Choreography exists between Pools (or Participants)
• The Choreography Activities are interactions that represent a set (1 or more) of Message exchanges, which involves two or more Participants
• There is no central controller, responsible entity or observer of the Process

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Conversation

• The Conversation diagram is a particular usage of and an informal description of a Collaboration diagram
• Pools of a Conversation usually do not contain a Process and a Choreography is usually not placed in between the Pools of a Conversation diagram
• A Conversation is the logical relation of Message exchanges
• Message exchanges are related to each other and reflect distinct business scenarios
• Conversation Diagram Provides a “bird’s eye” perspective of the different Conversations that relate to the domain

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