@startuml participant "ACM Runtime" database "ACM Database" participant "Participant Replica 1" participant "Participant Replica 2" "ACM Runtime" <- "Participant Replica 1": [ASYNC] Update Automation Composition Element \nInstance Response "ACM Runtime" -> "ACM Database": Store Automation Composition Element Instance \nResponse Information alt Is AC Element Instance Updated? "ACM Runtime" -> "ACM Database": Set AC Element Instance State as DEPLOYED alt Are all the other AC Element Instances in this AC Instance in state DEPLOYED? "ACM Runtime" -> "ACM Database": Set AC Instance state as DEPLOYED "ACM Runtime" -> "Participant Replica 2": [ASYNC] Send sync message end end @enduml