Server Reference Guide : Managing and Monitoring the OpenROAD Server : How You Can Configure the Server Pooler (SPO) : Dispatcher
 
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Dispatcher
The SPO is organized into a set of dispatchers. A separate dispatcher is created for each unique application signature (that is, the combination of ImageFile and Flags strings) that is used to make a connection. If two clients Initiate with the same application signature, both clients are assigned to the same dispatcher. A dispatcher controls a configurable number of ASO slave processes (also Initiated with the same signature as the dispatcher), and it dispatches calls from its assigned clients to the ASO slaves, attempting to balance the load between the available slaves.