One Way

Binding uses an underlying protocol with no implicit return path for messages.

oneway-inonly.png

oneway-robustinonly.png

oneway-inout.png

oneway-outonly.png

Two Way

Binding uses an underlying protocol with an implicit back-channel for returning messages.

twoway-inonly.png

twoway-robustinonly-a.png

twoway-robustinonly-b.png

twoway-inout-a.png

twoway-inout-b.png