title: How do mongos instances work together in a cluster?
body: <p>I'm trying to figure out how different instances of mongos server work together.</p>
  
  <p>If I have 1 configserver and some shards, for example four, each of them composed by only one node (a master of course), and have four mongos server... do the mongos server communicate between them? Is it possible that one mongos redirect its load to another mongos?</p>