Information processing apparatus, information processing system, and computer-readable recording medium having stored program

An information processing system comprising:

• an external network;
• and
• an information processing apparatus configured to be connectable to the external network and to be communicably connected to a terminal through the external network,
• wherein the information processing apparatus includes
• an external network interface which is provided in at least one of the plurality of units and connected to the external network, and
• an internal network interface which is provided in each of the plurality of units and connected to an internal network established by a second address system independent from a first address system of the external network connected to the external network interface, wherein
• the internal network interface of each of the plurality of units conducts communication between the plurality of units using the second address system.

A non-transitory computer-readable recording medium having stored therein a program, wherein

• the program is executed on an operating system (OS) installed in each of a plurality of units of an information processing apparatus,
• the information processing apparatus includes the plurality of units and an internal network communicably connecting the plurality of units,
• at least one of the plurality of units is connected to an external network, and
• the program causes the OS to perform
• conducting communication between the plurality of units using a second address system of the internal network independent from a first address system of the external network.