The port must have a provided interface whose protocol is specified by the protocol state machine.

The protocol state machine defines the sequencing constraints on the communications across a port.

The port must have a required interface whose protocol is specified by the protocol state machine.

The class of the object that has the port has to have a behavior that is defined by the protocol state machine.

sent to the "ExceptionManager" object

appended to an exception log

handled by a default handler

propagated to an enclosing protected node, if any

ignored

Foo = CoreBehavior; Bar = Communications

Foo = Activities; Bar = Collaborations

Foo = Collaborations; Bar = Sequences

Foo = CommonBehaviors; Bar = Activities

Foo = Collaborations; Bar = Activities