COMMUNICATION METHOD, STORAGE APPARATUS, AND COMMUNICATION SYSTEM

• US 20120311097A1
• Filed: 11/16/2011
• Published: 12/06/2012
• Est. Priority Date: 05/30/2011
• Status: Active Grant

• Current Assignee: Fujifilm Business Innovation Corp. (Fujifilm Holdings Corporation)
• Original Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Inventors: ABE, Noriyuki
• Granted Patent: US 9,032,049 B2
• Time in Patent Office: Days
• US Class Current: 709/219
• CPC Class Codes: H04L 63/029 Firewall traversal, e.g. tunnelling or, creating pinholes
• CPC Class Codes: H04L 67/303 Terminal profiles
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching

Abstract

A communication system includes a user terminal connected to a first communication line, a device connected to the first communication line, and storing data to be updated, and a storage apparatus connected to a second communication line and storing the data transmitted from the device. A communication originated at the storage apparatus and addressed to the device and the user terminal is blocked by a firewall apparatus while a communication from the storage apparatus to the user terminal in reply to a request from the user terminal is permitted by the firewall apparatus.

Claims

1. A communication method of a communication system including a user terminal connected to a first communication line, a device connected to the first communication line, and storing data to be updated, and a storage apparatus connected to a second communication line and storing the data transmitted from the device, a communication originated at the storage apparatus and addressed to the device and the user terminal being blocked by a firewall apparatus while a communication from the storage apparatus to the user terminal in reply to a request from the user terminal being permitted by the firewall apparatus, the communication method comprising:

transmitting the data from the device to the storage apparatus via the first communication line and the second communication line;

receiving the data transmitted from the device and writing the received data on a storage unit;

placing a request via the first communication line and the second communication line to the storage apparatus to request the storage apparatus to transmit device information responsive to the data;

transmitting in reply to the request to the storage apparatus a transfer request to the user terminal having requested the device information, the transfer request including a data transmission request requesting the device to transmit the data to the storage apparatus, and a communication address assigned to the device, the transfer request requesting the user terminal to transfer the data transmission request to the device;

receiving the transmitted transfer request, and transferring the data transmission request included in the transfer request to the device having the communication address assigned thereto and included in the transfer request;

transmitting the data stored on the device to the storage apparatus if the data transmission request transferred from the user terminal is received;

placing a request again via the first communication line and the second communication line to the storage apparatus to request the storage apparatus to transmit the device information; and

transmitting to the user terminal having requested again the device information the device information responsive to the transmitted data in reply to the request.

2. A storage apparatus in a communication system including a user terminal connected to a first communication line, a device connected to the first communication line, and storing data to be updated, and the storage apparatus connected to a second communication line and storing the data transmitted from the device,

the user terminal including a requesting unit and a transferring unit, the requesting unit requesting device information responsive to the data from the storage apparatus via the first communication line and the second communication line, the transferring unit receiving a transfer request transmitted from the storage apparatus, the transfer request including a data transmission request and a communication address assigned to the device, the transfer request requesting the user terminal to transfer the data transmission request to the device, the transferring unit transferring the data transmission request included in the transfer request to the device having the communication address assigned thereto and included in the transfer request,

the device including a first storage unit connected to the first communication line and storing the data, a first transmitter unit transmitting the data stored on the first storage unit to the storage apparatus via the first communication line and the second communication line, and a second transmitter unit transmitting the data stored on the first storage unit to the storage apparatus if the data transmission request is received from the transferring unit,

a communication originated at the storage apparatus and addressed to the device and the user terminal being blocked by a firewall apparatus connected to the first communication line and the second communication line while a communication from the storage apparatus to the user terminal in reply to a request from the user terminal being permitted by the firewall apparatus,

the storage apparatus comprising:

a writing unit that receives the data transmitted by the first transmitter unit of the device, and writes the received data on a second storage unit;

a first request transmitter unit that transmits the transfer request to the user terminal requesting the device information via the requesting unit, in reply to the request to the storage apparatus, the transfer request including the data transmission request requesting the device to transmit the data to own storage apparatus, and the communication address assigned to the device; and

a device information transmitter unit that receives the data transmitted by the second transmitter unit of the device, and transmits the device information responsive to the data to the user terminal in reply to a request if the user terminal having requested the device information places the request for the device information again.

3. The storage apparatus according to claim 2, wherein the communication system comprises a plurality of devices;

wherein the writing unit receives the data transmitted from the first transmitter unit of each of the devices, and writes the received data on the second storage unit;

wherein the storage apparatus comprises an extracting unit;

wherein if the requesting unit of the user terminal requests the device information, the extracting unit extracts, from among the devices, a device not having transmitted the data via the first transmitter unit since at least a predetermined period of time earlier than the time of request of the device information; and

wherein the first request transmitter unit transmits, in reply to the request, the transfer request including the communication address assigned to the device extracted by the extracting unit to the user terminal having requested the device information via the requesting unit.

4. The storage apparatus according to claim 2, further comprising:

an updating unit that receives the data transmitted by the second transmitter unit of the device, and updates the data stored on the second storage unit in response to the received data; and

a notification request transmitter unit that transmits in reply to a request a notification request to the user terminal having placed the request for the device information via the requesting unit, the notification request requesting the user terminal to notify a user that the updating unit has updated the data.

5. The storage apparatus according to claim 3, further comprising:

an updating unit that receives the data transmitted by the second transmitter unit of the device, and updates the data stored on the second storage unit in response to the received data; and

a notification request transmitter unit that transmits in reply to a request a notification request to the user terminal having placed the request for the device information via the requesting unit, the notification request requesting the user terminal to notify a user that the updating unit has updated the data.

6. A communication system comprising a user terminal connected to a first communication line, a device connected to the first communication line, and storing data to be updated, and a storage apparatus connected to a second communication line and storing the data transmitted from the device, a communication originated at the storage apparatus and addressed to the device and the user terminal being blocked by a firewall apparatus connected to the first communication line and the second communication line while a communication from the storage apparatus to the user terminal in reply to a request from the user terminal being permitted by the firewall apparatus,

wherein the device includes a first storage unit connected to the first communication line and storing the data, a first transmitter unit transmitting the data stored on the first storage unit to the storage apparatus connected to the first communication line and the second communication line, and a second transmitter unit transmitting the data stored on the first storage unit to the storage apparatus if the data transmission request is transferred from the transferring unit;

wherein the user terminal includes a requesting unit and a transferring unit, the requesting unit placing a request for device information responsive to the data to the storage apparatus via the first communication line and the second communication line, the transferring unit receiving a transfer request transmitted from the storage apparatus, the transfer request including a data transmission request and a communication address assigned to the device, the transfer request requesting the user terminal to transmit the data transmission request to the device, the transferring unit transferring the data transmission request included in the transfer request to the device having the communication address assigned thereto and included in the transfer request; and

wherein the storage apparatus includes;

a writing unit that receives the data transmitted by the first transmitter unit of the device, and writes the received data on a second storage unit;

a first request transmitter unit that transmits the transfer request to the user terminal requesting the device information via the requesting unit, in reply to the request to the storage apparatus; and

a device information transmitter unit that receives the data transmitted by the second transmitter unit of the device, and transmits the device information responsive to the data to the user terminal in reply to a request if the user terminal having requested the device information places the request for the device information again.

7. The communication system according to claim 6, further comprising a plurality of devices,

wherein the first transmitter unit of each of the plurality of devices transmits the data;

wherein the writing unit writes a plurality of received data on the second storage unit;

wherein the storage apparatus includes an extracting unit;

wherein if the requesting unit of the user terminal requests the device information, the extracting unit extracts, from among the devices, a device not having transmitted the data via the first transmitter unit since at least a predetermined period of time earlier than the time of request of the device information; and

wherein the first request transmitter unit transmits, in reply to a request for the device information, the transfer request including the communication address assigned to the device extracted by the extracting unit to the user terminal having placed the request for the device information via the requesting unit.

8. The communication system according to claim 6, further comprising a plurality of devices,

wherein the first transmitter unit of each of the plurality of devices transmits the data;

wherein the writing unit in the storage apparatus receives a plurality of data transmitted from the first transmitter unit and writes the plurality of data on the second storage unit;

wherein the requesting unit in the user terminal requests the storage apparatus to transmit a plurality of pieces of device information;

wherein the first request transmitter unit in the storage apparatus transmits in reply to the request to the storage apparatus the transfer request to the user terminal having requested the storage apparatus to transmit the plurality of pieces of device information, the transfer request including the data transmission request requesting the plurality of devices to transmit the data to own storage apparatus, and the communication addresses respectively assigned to the plurality of devices, the transfer request requesting the user terminal to transmit the data transmission request to one of the plurality of devices;

wherein the transferring unit in the user terminal receives the transfer request transmitted from the first request transmitter unit, and transfers the data transmission request included in the transfer request together with a communication address to the device having the communication address assigned thereto from among the communication addresses included in the transfer request;

wherein the device includes a second request transmitter unit;

wherein if the data transmission request is transferred from the user terminal together with a plurality of communication addresses, the second request transmitter unit transmits to the user terminal the transfer request excluding the communication address assigned to own device from among the plurality of communication addresses; and

wherein the transferring unit in the user terminal transfers to the device the data transmission request included in the transfer request transmitted from the second request transmitter unit together with the communication address included in the transfer request and assigned to one of the devices.

9. The communication system according to claim 7, further comprising a plurality of devices,

wherein the first transmitter unit of each of the plurality of devices transmits the data;

wherein the writing unit in the storage apparatus receives a plurality of data transmitted from the first transmitter unit and writes the plurality of data on the second storage unit;

wherein the requesting unit in the user terminal requests the storage apparatus to transmit a plurality of pieces of device information;

wherein the first request transmitter unit in the storage apparatus transmits in reply to the request to the storage apparatus the transfer request to the user terminal having requested the storage apparatus to transmit the plurality of pieces of device information, the transfer request including the data transmission request requesting the plurality of devices to transmit the data to own storage apparatus, and the communication addresses respectively assigned to the plurality of devices, the transfer request requesting the user terminal to transmit the data transmission request to one of the plurality of devices;

wherein the transferring unit in the user terminal receives the transfer request transmitted from the first request transmitter unit, and transfers the data transmission request included in the transfer request together with a communication address to the device having the communication address assigned thereto from among the communication addresses included in the transfer request;

wherein the device includes a second request transmitter unit;

wherein if the data transmission request is transferred from the user terminal together with a plurality of communication addresses, the second request transmitter unit transmits to the user terminal the transfer request excluding the communication address assigned to own device from among the plurality of communication addresses; and

wherein the transferring unit in the user terminal transfers to the device the data transmission request included in the transfer request transmitted from the second request transmitter unit together with the communication address included in the transfer request and assigned to one of the devices.

10. The communication system according to claim 6, further comprising a notification unit that gives a user a notification,

wherein the device includes a notification request transmitter unit that transmits a notification request to the user terminal having transferred the data transmission request, the notification request requesting the user terminal to notify the device that the data is transmitted from the second transmitter unit;

and

wherein the notification unit in the user terminal notifies the user that the data is transmitted if the notification request transmitter unit receives the notification request.

11. The communication system according to claim 7, further comprising a notification unit that gives a user a notification,

wherein the device includes a notification request transmitter unit that transmits a notification request to the user terminal having transferred the data transmission request, the notification request requesting the user terminal to notify the device that the data is transmitted from the second transmitter unit;

and

wherein the notification unit in the user terminal notifies the user that the data is transmitted if the notification request transmitter unit receives the notification request.

12. The communication system according to claim 8, further comprising a notification unit that gives a user a notification,

wherein the device includes a notification request transmitter unit that transmits a notification request to the user terminal having transferred the data transmission request, the notification request requesting the user terminal to notify the device that the data is transmitted from the second transmitter unit;

and

wherein the notification unit in the user terminal notifies the user that the data is transmitted if the notification request transmitter unit receives the notification request.

13. The communication system according to claim 9, further comprising a notification unit that gives a user a notification,

wherein the device includes a notification request transmitter unit that transmits a notification request to the user terminal having transferred the data transmission request, the notification request requesting the user terminal to notify the device that the data is transmitted from the second transmitter unit;

and

wherein the notification unit in the user terminal notifies the user that the data is transmitted if the notification request transmitter unit receives the notification request.