Delegation Connectors can be used to model the hierarchical decomposition of behavior, where services provided by an EncapsulatedClassifier may ultimately be realized by one that is nested multiple levels deep within it. Source Unified Modeling Language 2.5.1
A request that arrives at a Port that has a delegation Connector to one or more Properties or Ports on Properties will be passed on to those targets for handling. Source Unified Modeling Language 2.5.1
A delegation Connector is a Connector that links a Port to a role within the owning EncapsulatedClassifier. It represents the forwarding of requests (Operation invocations and Signals). Source Unified Modeling Language 2.5.1
Boundary Ports and kinds of Connectors Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 09:02: Ports - The basics Slide kind SysML Internal Block Diagram (IBD)
