webMethods and Intelligent Business Operations 10.2 | Designing and Implementing Business Process Models | ARIS Method manual | Modeling BPMN 2.0 | Conversation | Conversation nodes
 
Conversation nodes
BPMN 2.0 distinguishes three sub-types of conversation nodes.
*Communication
*Sub-conversation
*Call conversation (The concept of call conversation is not clear, thus, Call conversations are ignored in the current implementation of BPMN 2.0 in ARIS. However, in ARIS Call conversations can be particularly distinguished. See description below.)
Conversation nodes are represented in ARIS by the object type Conversation.
A communication is an atomic conversation element in a BPMN conversation diagram, it represents a set of message flow grouped together based on a single correlation key. A communication will involve at least two participants.
The symbol for a communication is available in the Symbols bar of the BPMN conversation diagram (BPMN 2.0).
Symbols of Conversation nodes
A Sub conversation is a conversation which consists of lower-level conversations which are modeled in a separate BPMN conversation diagram assigned to the sub-conversation. A sub-conversation shares the participants of its parent conversation.
The ARIS method provides a Sub conversation symbol, it also shown in the Symbols bar.
A Call conversation identifies a place in a conversation where a global conversation or a global communication is used. A global communication is a reusable atomic communication definition that can be called from within any conversation by a Call conversation.
The concepts of Call conversations and global communication are very vague. Thus, the ARIS method does not provide specific symbols. But there is the Boolean ARIS attribute type Call conversation which allows the modeler to flag Call conversations. If the value is true, the Call conversation symbol is rendered by the software automatically.

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