Patent ID: 7996528

Claim:
A manager controlling an agent connected to the manager via a network using a simple network management protocol, the manager comprising: a load information generating unit that generates manager load information indicative of a load status of the manager based on a CPU usage rate indicative of a load status of a CPU installed in the manager, a receiving state of a state variation notifying command indicative of the number of receiving state variation notifying commands, transmitted by the agent to notify the manager of a state variation inside a device in which the agent is installed, and a load event occurring time indicative of a time period before a periodic process is periodically carried out by the manager; and a command generating unit that generates a control command to be sent to the agent, wherein the command generating unit generates the control command, to which the manager load information is added, and the agent controls transmission of the state variation notifying command based on the manager load information added to the control command.