Selecting system, communication management system, communication system, computer program, and method of selection

A selecting system that, when a plurality of controllers that control a session between communication terminals are provided, selects a controller to be connected to a communication terminal out of the controllers, the selecting system comprising:

• a state management unit that manages, for each of the controllers, state information indicating a state of communication of a communication terminal connected to the controller;
• a load management unit that manages, for each state of communication, load information indicating a degree of load related to control to be performed in the corresponding state of communication;
• an accepting unit that accepts a connection request to the controller from a communication terminal that is not connected to the controller;
• a calculating unit that calculates, for each of the controllers, the degree of load related to the control based on the state information managed by the state management unit and the load information managed by the load management unit;
• and
• a selecting unit that selects a controller to be connected to the communication terminal as a connection requester terminal based on the degree of load calculated for each of the controllers by the calculating unit.