high_level_component_overview.puml

@startuml
title "High-Level Component Overview"

skinparam nodesep 60
skinparam ranksep 20

rectangle Producers as p {
    component "Producer A" as pa
    component "Producer B" as pb
    component "Producer C" as pc
}

component "Broker" as b

rectangle Consumers as c {
    component "Consumer D" as cd
    component "Consumer E" as ce
    component "Consumer F" as cf
}

pa --[hidden]down-> pb
pb --[hidden]down-> pc
cd --[hidden]down-> ce
ce --[hidden]down-> cf

pa -right-> b: message
pb -right-> b: message
pc -up-> b: message

b -right-> cd: message batch
cd ..> b: postponed message
b -right-> ce: message batch
b -up-> cf: message batch
cf ..> b: postponed message
@enduml