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SysMLv1: You can't make connections in BDDs, only in IBDs. A BDD shows where connections MAY be made (as indicated by Associations), an IBD shows where specific connections HAVE been made in a specific context!

Icon class
icon_class
far fa-sticky-note
icon_class_computed
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Note kind
ASSERTION
TIP
UML keywords
Connector
Port
SysMLv1.x keywords
SysML Block Definition Diagram
SysML Internal Block Diagram
Note that Connectors can be used within the structure compartment of Block symbol on a BDD, but not between Ports on the boundary of Block symbols.
Webel Best Practice: Webel: SysMLv1: Prefer not show Port symbols on the boundary of Block symbols in BDDs, just list them in compartments. One can't connect them in a BDD anyway. Recommend only show Port symbols in IBDs.
Relates to
[HISTORICAL] UML-STYLE: Hybrid SUV example: Ports with required/provided Interfaces (Block Definition Diagram)
Hybrid SUV example: provided/required DirectedFeatures (Block Definition Diagram)
Hybrid SUV example: provided/required DirectedFeatures (Internal Definition Diagram)
Related notes
[MODELLING, STYLE]{RECOMMENDED} Webel: SysMLv1: Prefer not show Port symbols on the boundary of Block symbols in BDDs, just list them in compartments. One can't connect them in a BDD anyway. Recommend only show Port symbols in IBDs.
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