flowchart TD

  %% Logging
  w1-push-->l1-pull
  w1-push-->l2-pull
  w2-push-->l1-pull
  w2-push-->l2-pull
  w3-push-->l1-pull
  w3-push-->l2-pull
  p1-push-->l1-pull
  p1-push-->l2-pull
  p2-push-->l1-pull
  p2-push-->l2-pull
  m-push-->l1-pull
  m-push-->l2-pull

subgraph l1 [logger-1]
  l1-pull(PULL)
end

subgraph l2 [logger-2]
  l2-pull(PULL)
end

subgraph m [manager]
  m-push(PUSH)
end

subgraph p1 [proxy-1]
  p1-push(PUSH)
end

subgraph p2 [proxy-2]
  p2-push(PUSH)
end

subgraph w1 [worker-1]
  w1-push(PUSH)
end

subgraph w2 [worker-2]
  w2-push(PUSH)
end

subgraph w3 [worker-3]

  w3-push(PUSH)
end