1. An information processing apparatus as a recording command apparatus for transmitting a data recording processing request to nodes connected to a network, characterized by comprising: a rule deciding condition setting unit for setting data for determining whether processing according to the processing request is to be executed in a node that receives the data recording processing request; a packet generating unit for storing data for determination set by the rule deciding condition setting unit, and for generating a data recording processing request packet that stores data for recording processing; and a network interface unit for transmitting the packets generated by the packet generating unit.