Variable frame rate adjustment in a video system

An information processing apparatus, belonging to plural information processing apparatus connected, through a network, to a network-managing information processing apparatus, comprising:

• reception means for receiving, at an arbitrary timing, data for requesting output of image data, from said network-managing information processing apparatus through said network;
• and
• output means for releasing the image data to said network in response to said received output request data,
• wherein said output permission data are variably generated by said managing information processing apparatus, in response to an instruction without passwords from the plural information processing apparatus, and
• the amount of image data is controlled by varying the number of output requests given to an arbitrary one of the information processing apparatus.