15f1c436_SharePoint_MCTS___MCPD___MCITP__Purpose
[Service] Application Discovery and Load Balancer Service [Comments] Fundamental SharePoint Service, defaults to “Round Robin”Can be extended with custom load balancing code if you are brave enough! [Purpose] 
Determines which server to send Service Application requests to .. this is how SharePoint automatically balances load.
Martin Hatch - SharePoint Evangelist | SharePoint MCTS | MCPD | MCITP
Purpose