Network apparatus, content distribution method and computer program product

A content distribution method of a network apparatus, comprising:

• a first step of a confirmation unit confirming an appliance connected to a network in a certain area at predetermined time intervals;
• a second step of a transfer unit transferring a content retained in the appliance from the appliance connected to the network to a storage apparatus outside of the area;
• a third step of a setting unit setting a virtual device of the appliance when the confirmation unit detects that the appliance has been disconnected from the network;
• and
• a fourth step of a distribution unit distributing, when an acquisition request of the content is issued to the appliance disconnected from the network, the content read from the storage to a sending source of the acquisition request with the virtual device as the transmission source of the content.

A computer program product having a computer program for causing a network apparatus to execute:

• a first step of confirming an appliance connected to a network in a certain area at predetermined time intervals;
• a second step of transferring a content retained in the appliance from the appliance connected to the network to a storage apparatus outside of the area;
• a third step of setting a virtual device of the appliance when the confirmation unit detects that the appliance has been disconnected from the network;
• and
• a fourth step distributing, when an acquisition request of the content is issued to the appliance disconnected from the network, the content read from the storage to a sending source of the acquisition request with the virtual device as the transmission source of the content.