{
          "title" : "Comm Rank",
           "kind" : "atomic",
           "type" : "communicatorRank",
           "tags" : ["remote", "distributed", "communicator", "network", "rank", "wid"],
    "description" : "<h3>Communicator Rank Node</h3>
                     <p>This node should be put in a Remote or Spawn node only.</p>
                     <p>The output is the rank (or wid, as <i>worker id</i>).</p>",
         "inputs" : [],
        "outputs" : ["rank"]
}