graph TD

  w1-xpub-->broker-xsub
  broker-xpub-->w1-xsub

  w2-xpub-->broker-xsub
  broker-xpub-->w2-xsub

  w3-xpub-->broker-xsub
  broker-xpub-->w3-xsub

  p1-xpub-->broker-xsub
  broker-xpub-->p1-xsub

  p2-xpub-->broker-xsub
  broker-xpub-->p2-xsub

  l1-xpub-->broker-xsub
  broker-xpub-->l1-xsub

  l2-xpub-->broker-xsub
  broker-xpub-->l2-xsub

  m-xpub-->broker-xsub
  broker-xpub-->m-xsub

subgraph broker ["broker"]
  broker-xpub((XPUB))
  broker-xsub((XSUB))
  broker-xpub-->broker-xsub
  broker-xsub-->broker-xpub
end

subgraph l1 [logger-1]
  l1-xpub((XPUB))
  l1-xsub((XSUB))
end

subgraph l2 [logger-2]
  l2-xpub((XPUB))
  l2-xsub((XSUB))
end
subgraph m [manager]
  m-xpub((XPUB))
  m-xsub((XSUB))
end

subgraph p1 [proxy-1]
  p1-xpub((XPUB))
  p1-xsub((XSUB))
end

subgraph p2 [proxy-2]
  p2-xpub((XPUB))
  p2-xsub((XSUB))
end

subgraph w1 [worker-1]
  w1-xpub((XPUB))
  w1-xsub((XSUB))
end

subgraph w2 [worker-2]
  w2-xpub((XPUB))
  w2-xsub((XSUB))
end

subgraph w3 [worker-3]
  w3-xpub((XPUB))
  w3-xsub((XSUB))
end