what are the rules to map a service to what is the limit of a query in a distributed service system how to find which service comes incoming request in a distributed service different types of distributed services where is the unique value for each service how to find the a service for the request how to find which service from a machine how to find which service to map incoming requests which machine can map a request how to find which service a request from how to select which machine will respond to a request? how to find which service does a request come from? how to find to which machine came the request in distributed service system what is the name of a network service? how does it work? how to select the service in nsc how to find which service for a request how to find which service to map requests how much noise does a network service have how many request requests per second what is the difference between map and reduce