JP2002207616A - System and method for in-device same devices automatic file update - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform efficient file transfer without any extra labor nor time for file updating operation. SOLUTION: To in-device same devices automatic file updating system which performs file updates for multiple same devices 24 to 27 mounted in a device is equipped with a switch part 23 which connects the devices to each other and the outside, memory parts 240, 241, 245, 250, 251, 255, 260, 261, 265, 270, 271, and 275 which store files, a transfer order setting part 282 which sets the order of transfer to the devices, and an update control part 281 which controls the switch part by referring to the transfer order of the transfer order setting part to connect the devices to one another, transfers an update file to other devices, and updates files stored in the memories when the update file is transmitted to one device from outside and stored in a memory.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to file updating of an apparatus having a plurality of identical devices mounted thereon. In particular, the present invention
The present invention relates to an automatic file updating system and method for the same device in a device, which reduces the labor and time of file updating work and enables efficient transfer.

[0002]

2. Description of the Related Art A conventional system file updating method employs a method of transferring a new system file from an external terminal point-to-point.

[0003]

However, in a device in which a plurality of the same devices are mounted, the file update of the system file must be repeatedly executed for each device in the same procedure. However, there is a problem that it takes extra labor and time for the manager.

[0004] Even if the traffic volume in the apparatus suddenly increases during file updating, it is difficult to immediately perform processing such as interrupting file updating or suppressing the file transfer amount of the updated system file. Therefore, there is a problem that efficient file transfer cannot be performed in consideration of the traffic volume in the device when updating the file of the device mounted on the operating device.

[0005] Therefore, in view of the above problems, the present invention requires no extra labor and time for file update work,
It is an object of the present invention to provide a system and method for automatically updating files in the same device that can perform efficient file transfer.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a device-internal device automatic file update system for executing file update for a plurality of identical devices mounted in the device. Connection between
A switch unit for connection to the outside, a memory unit for storing the file, a transfer order setting unit for setting a transfer order to the device, and an update file is transmitted from the outside to one of the devices, and the update file is transmitted to the memory unit. When accumulated, the transfer order is set by referring to the transfer order of the transfer order setting unit, the switch unit is controlled, the devices are connected, the update file is transferred to another device, and stored in the memory. And an update control unit for updating a file in the same device.

By this means, if a file is updated on one device, the file is automatically updated on another device, so that no extra labor and time is required for the file update work, and the efficiency is reduced. File transfer is now possible. Preferably, the transfer order setting unit, in order to connect the switch unit between devices in a link type,
Set the order of transmission in one direction of link serial.

By this means, the connection between the devices can be automatically made. Preferably, the transfer order setting unit,
In order for the switch unit to connect the devices in a link type, the order in which the data is transferred in two parallel directions, the forward direction and the reverse direction of the link, is set. By this means, efficient connection of automatically neighboring devices is possible. Preferably, the transfer order setting unit sets an order of transfer in a direction from one device card to another device card radially linked so that the switch unit connects the devices in a link type.

By this means, connection between devices can be automatically made. Preferably, the update file between the devices is obtained by dividing the update file into a plurality of frames and transferring each frame in units of transmission requests. By this means, multiplex transfer with data other than the update file becomes possible. Preferably, a frame buffer is provided in the memory, and the frame buffer temporarily stores frames of the update file.

[0010] By this means, it becomes possible to accumulate the transmitted update file or accumulate the frames transmitted from another device card. Preferably, each device further includes a traffic amount determination unit, and the traffic determination unit checks data other than frames stored in a frame buffer of the memory, and exceeds a processing capability when a frame is transferred. It is determined whether a traffic volume occurs, and if the traffic volume occurs, the request to transmit a frame is interrupted.

Further, preferably, the update control unit includes:
If there is no transmission request within a predetermined time during the transmission of the frame of the update file, the transfer to the corresponding device is interrupted, and the transfer to the next device to be transferred is performed by referring to the transfer order setting unit. I do. Further, preferably, the update control unit restarts the transfer of the frame when there is a transmission request from the device whose frame transfer has been interrupted.

By this means, even if the traffic volume in the apparatus suddenly increases during the file update, it is possible to immediately perform processing such as interrupting the file update or suppressing the file transfer amount of the update system file. This makes it possible to perform efficient file transfer in consideration of the traffic volume in the device when updating the file of the device mounted on the operating device.

Preferably, when the transfer of the update file is completed for all devices, the update control unit replaces the update file with the current file. By this means, automatic file updating is completed. Preferably, a temporary memory is further provided in the memory, and the frame stored in the frame buffer is stored in the temporary memory every time the frame is transferred.

By this means, the size of the frame buffer can be reduced. Preferably, in response to a file copy request from outside, the update control unit refers to a transfer order of the transfer order setting unit, controls the switch unit, changes the connection between the devices, and changes one of the devices. Transfer a file from a device to another device to update a file stored in the memory.

By this means, when one current file is normal and the other current file becomes abnormal, copying can be performed automatically and labor and time can be saved. Further, the present invention provides an in-apparatus same-device automatic file update method for executing a file update for a plurality of same devices mounted in the apparatus, comprising: And setting a transfer order to the devices. When an update file is transmitted to one device from the outside and stored in the memory unit, a transfer order is referred to, and And updating the stored file by transferring the update file to the other device, and updating the same device automatic file in the apparatus.

By this means, as in the above-mentioned invention, if a file is updated on one device, the file is automatically updated on another device, so that extra labor and time are required for the file update work. And efficient file transfer became possible.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of an in-apparatus same-device automatic file update system according to the present invention. The present invention shown in the drawing, in an apparatus in which a plurality of the same devices are mounted, by executing a file update for one device, efficiently utilizes the data transfer path in the apparatus, and automatically executes the other devices. A system for updating a file is provided.

More specifically, as shown in FIG. 1, a plurality of file servers 1 are connected to a network node device 2,
The file server 1 holds an update system file of a device card described later. The network node device 2 is provided with a plurality of line cards 21 and 22 connected to the plurality of file servers 1, and the line cards 21 and 22 are hardware for transferring received data.

A switch card 23 is connected to the line cards 21 and 22, and the switch card 23 is hardware having a function as a switch of the network node device 2. A plurality of device cards 24-27 are connected to the switch card 23.
7 performs processing corresponding to the data received from the switch card 23.

The switch card 23 is provided with a control card 28, and the control card 28
Has a function as a control unit. Next, the frame buffers 240, 25 are stored in the plurality of device cards 24-27.
0, 260, and 270, respectively, and each of the frame buffers 240, 250, 260, and 270 stores the update system file transmitted from the file server 1, or stores the frame transmitted from another device card. I do.

Further, a plurality of device cards 24-27
Have temporary memories 241, 251, 261, 27
1 are provided, and the temporary memories 241 and 25 are provided.
1, 261 and 271 are frame buffers 240 and 25
The updated system files and frames stored in 0, 260, and 270 are stored, respectively. By accumulating and storing frames, the size of the frame buffer can be reduced.

Further, a plurality of device cards 24-27
Are provided with frame division units 242, 252, 262, and 272, respectively.
62 and 272 are temporary memories 241 and 25, respectively.
1, 261 and 271 are divided into a plurality of frames. This division enables multiplex transfer with data other than the update system file.

Further, a plurality of device cards 24-27
Are provided with transmission / reception units 243, 253, 263, and 273, respectively.
Each receive an updated system file from the device card 24-27 or a plurality of device cards 24-27.
To send and receive frames. Further, the plurality of device cards 24 to 27 have traffic amount determination units 244,
254, 264, 274 are provided, respectively, and each of the traffic amount determination units 244, 254, 264, 274
The traffic amount is confirmed from data other than the update data stored in the frame buffers 240, 250, 260, and 270, and it is determined whether or not the transfer of the update data does not generate a traffic amount exceeding the processing capacity. Used to perform efficient transfer processing.

Therefore, even if the traffic volume in the device suddenly increases during the file update, it is possible to immediately perform processing such as suspending the file update or suppressing the file transfer amount of the update system file. That is, when updating a file of a device mounted on an operating device, it is possible to perform efficient file transfer in consideration of the traffic volume in the device.

Further, a plurality of device cards 24-27
Contains the current system file memory 245, 255, 26
5, 275, respectively, and the current system file memory 245, 255, 265, 275 stores the current system file before updating. Next, the control card 28 is provided with an update control unit 281. The update control unit 281 controls the connection of the switch card 23 for transmitting and receiving between the two device cards 24-27, and updates the current system file. Control to replace with system file.

Further, the control card 28 is provided with a transfer order setting unit 282, and the transfer order setting unit 282 sets the transfer order of the device cards 24 to 27 required when transferring the updated system file. FIG. 2 is a flowchart for explaining the operation of each of the line cards 21 and 22 in FIG.

As shown in the figure, in step S101, it is determined whether each of the line cards 21 and 22 receives data. If not, the process ends. In step S102, when data has been received, it is determined whether or not the data has been received from outside the network node device 2.

In step S103, if the data has been received from the outside, the received data is transferred to the switch card 23, and the processing is terminated. That is, the data of the update system file received by the line card 21 or 22 from the file server 1 is transferred to the switch card 23. In step S104, when the data is received from the inside, the received data is transferred to the outside of the network node device 2, and the process is terminated.

FIG. 3 shows the frame dividing unit 24 in FIG.
FIG. 2 is a diagram illustrating division of an update system file by each of 2, 252, 262, and 272. As shown in the figure, in the frame division units 242, 252, 262, and 272, the updated system file includes the first frame and the second frame.
The frame is divided into n-th frames. This is to enable multiplex transfer with data other than the update system file.

FIG. 4 shows the device card 24 set by the transfer order setting unit 282 of the control card 28 in FIG.
FIG. 27 is a diagram for explaining the transfer order of update system files No. to No. 27; As shown in the figure, the transfer order setting unit 282 is provided with a plurality of device cards 24 to 27 in the image of a link type.
Set the transfer order of the update system file for.

That is, the transfer order storage unit 282
For device cards 24-27, device card 2
The link is set in the order of 4 → device card 25 → device card 26 → device card 27 → device card 24. FIG. 5 is a diagram showing an example in which an update system file is transferred in a series of links in one direction by a plurality of device cards 24-27. As shown in the figure, in the link-type transfer order, for example, when there is a transfer of an update system file from the file server 1 to the device card 24 in one direction of the link (), the device card 24 is updated to the device card 25. System files are transferred (),
The updated system file is transferred from the device card 25 to the device card 26 (), and the updated system file is transferred from the device card 26 to the device card 27 ().

Next, the update controller 281 of the control card 28
The transfer order of the update system file of the transfer order setting unit 282, for example, the connection between the device cards via the switch card 23 for updating the system file according to the transfer example of FIG. Perform control.
FIG. 6 is a flowchart illustrating an operation example of the update control unit 281 of the control card 28 with respect to the transfer order example of FIG.

As shown in the figure, in step S111, the update control unit 281 requests the file server 1 to send one of the device cards 24 to 27, for example, the update system file to the device card 24. Is determined, and if there is no request, the process ends. In step S112, the update control unit 281
When the file server 1 requests the device card 24 to transmit the updated system file, the switch card 23 is requested to connect between the file server 1 and the device card 24.

In step S113, it is determined whether or not there is a storage completion notification of the update system file of the device card 24. If there is no notification, step S112
Return to In step S114, the update control unit 281
When there is the above notification, the switch card 23 requests the switch card 23 to connect between the device card 24 and the device card 25 with reference to the transfer order of the transfer order setting unit 282.

In step S115, the update control unit 2
81 judges whether or not there is a storage completion notification of the update system file of the device card 25. If there is no notification, the process returns to step S114. In step S116, if there is the above notification, the update control unit 281 refers to the transfer order of the transfer order setting unit 282 and requests the switch card 23 to connect between the device card 25 and the device card 26.

In step S117, the update control unit 2
81 determines whether or not there is a storage completion notification of the update system file of the device card 26. If there is no notification, the process returns to step S116. In step S118, when there is the above notification, the update control unit 281 refers to the transfer order of the transfer order setting unit 282 and requests the switch card 23 to connect between the device card 26 and the device card 27.

In step S119, the update control unit 2
81 judges whether or not there is a storage completion notification of the update system file of the device card 27. If there is no notification, the process returns to step S118, and if there is a notification, the process ends. Next, the transmitting / receiving units 243, 253, 263,
273 performs transmission and reception as follows according to the connection control between the device cards by the update control unit 281 of the control card 28.

FIG. 7 shows an example of the transfer order shown in FIG.
FIG. 7 is a sequence diagram illustrating the operation of the transmitting / receiving units 243, 253, 263, and 273 in FIG. As shown in this figure,
The transmitting / receiving unit 243 of the device card 24 receives the updated system file from the file server 1. Further, the transmission / reception unit 243 transmits the first frame of the update system file to the transmission / reception unit 253 of the device card 25, receives a transmission request from the transmission / reception unit 253, transmits the second frame to the transmission / reception unit 253,. This process is repeated.

The transmitted data of the first frame, the second frame,... Are sequentially accumulated in the frame buffer 250, and the accumulated first frame, second frame,.
.. Are stored in the temporary memory 251 and the data of all the frames are stored.
Is the temporary memory 251 from the frame buffer 250
Transmission / reception unit 2 to notify the completion of storing the updated system file
53.

Further, after notifying the completion, the transmission / reception unit 253 transmits the first frame of the update system file to the transmission / reception unit 263 of the device card 26, receives the transmission request from the transmission / reception unit 263, and transmits the second frame. Transmitting / receiving unit 26
3, and this process is repeated. The first sent
Are sequentially stored in the frame buffer 260, and the stored data of the first frame, the second frame,... Are stored in the temporary memory 261 and all the frames are stored in the temporary memory 261. Is stored, the transmission / reception unit 253 receives from the transmission / reception unit 263 a notification of the completion of storing the updated system file in the temporary memory 261 from the frame buffer 260.

Further, after the completion notification, the transmission / reception unit 263 transmits the first frame of the update system file to the transmission / reception unit 273 of the device card 27, receives a transmission request from the transmission / reception unit 273, and transmits the second frame. Transmitting / receiving unit 27
3, and this process is repeated. The first sent
, Are sequentially stored in the frame buffer 270, and the stored data of the first frame, the second frame,... Are stored in the temporary memory 271 and all the frames are stored in the temporary memory 271. Is stored, the transmission / reception unit 263 receives from the transmission / reception unit 273 a notification that the update system file has been stored in the temporary memory 271 from the frame buffer 270.

Thus, the update system file can be automatically transferred between the devices. Subsequently, control of replacement of the control card 28 with the update system file by the update control unit 281 will be described below. FIG. 8 is a flowchart illustrating the replacement control by the update control unit 281 of the control card 28 with the update system file.

As shown in the figure, in step S121, the transmission / reception units 25 of all the device cards 25 to 27
It is determined whether or not the update completion of the update system file has been notified from 3, 263, 273. If there is no notification, the process ends. In step S122, if there is the notification, the temporary memories 241, 251, 261, 2
71 to the current system file memory 245, 255,
At 265 and 275, the updated system file is replaced with the current system file.

This replacement completes the update of the system file. Therefore, according to the present invention, when the update system file is transmitted from the file server 1 to one of the plurality of device cards 24 to 27 and stored, the update system file is automatically transmitted to the other remaining device cards. Since the file is stored and replaced with the current system file, the file updating work does not require extra labor and time.

FIG. 9 is a modified example of FIG. 5, and shows an example in which an update system file is transferred by a plurality of device cards 24 to 27 in two parallel directions of link forward and backward. As shown in the figure, in the link type transfer order, when the update system file is transferred from the file server 1 to the device card 24 in two parallel directions (for example), the update system file is transferred from the device card 24 to the device card 25. Is transferred (), the updated system file is transferred from the device card 25 to the device card 26 (), and at the same time, the updated system file is transferred from the device card 24 to the device card 27 ().

FIG. 10 is a flowchart for explaining an operation example of the update control unit 281 of the control card 28 with respect to the transfer order example of FIG. As shown in FIG.
At 31, the update control unit 281 determines whether there is a request from the file server 1 to one of the device cards 24 to 27 to transmit, for example, an update system file to the device card 24. If not, the process ends.

In step S132, the update control unit 2
81, when there is a transmission request of the update system file from the file server 1 to the device card 24,
The switch card 23 is requested to connect between the file server 1 and the device card 24. Step S13
At 3, it is determined whether or not there is a storage completion notification of the update system file of the device card 24. If there is no notification, the process returns to step S132.

In step S134, the update control unit 2
81 indicates that the transfer order setting unit 28
With reference to the transfer order of No. 2, the switch card 23 is requested to connect between the device card 24 and the device card 25. In step S135, the update control unit 281
It is determined whether or not the storage completion notification of the update system file of the device card 25 is received. If there is no notification, the process returns to step S134.

In step S136, the update control unit 2
81 indicates that the transfer order setting unit 28
Referring to the transfer order of No. 2, the switch card 23 is requested to connect between the device card 24 and the device card 27, and at the same time, the switch card 23 is requested to connect between the device card 25 and the device card 26. Step S
In 137, the update control unit 281 determines whether or not there is a notification of completion of storing the update system files of the device cards 26 and 27. If there is no notification, the process returns to step S136, and if there is a notification, the process ends.

FIG. 11 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 with respect to the transfer order example in FIG. As shown in the figure, the transmitting / receiving unit 243 of the device card 24 receives the update system file from the file server 1. Further, the transmission / reception unit 243 transmits the first frame of the update system file to the transmission / reception unit 253 of the device card 25, receives a transmission request from the transmission / reception unit 253, transmits the second frame to the transmission / reception unit 253,. This process is repeated.

The transmitted first frame data, second frame data,... Are sequentially stored in the frame buffer 250, and the stored first frame, second frame,.
.. Are stored in the temporary memory 251 and the data of all the frames are stored.
Is the temporary memory 251 from the frame buffer 250
Transmission / reception unit 2 to notify the completion of storing the updated system file
53.

Further, the transmitting / receiving section 243 and the transmitting / receiving section 253
Transmits the first frame of the update system file to the transmission / reception unit 273 of the device card 27 and the transmission / reception unit 263 of the device card 26 after receiving the completion notification, and receives a transmission request from the transmission / reception unit 273 and the transmission / reception unit 263; The second frame is transmitted to the transmission / reception unit 273 and the transmission / reception unit 263,.
This process is repeated.

The transmitted data of the first frame, the second frame,...
, And the accumulated data of the first frame, the second frame,... Are stored in the temporary memories 261 and 27.
1 and the data of all the frames is stored, the transmission / reception units 253 and 243
From the transmission / reception 263 and the transmission / reception 273, a notification of completion of storing the updated system file in the temporary memory 261 and a notification of completion of storing the updated system file in the temporary memory 271 from the frame buffer 270 are received.

Further, in this way, it becomes possible to automatically and automatically transfer the updated system file to the adjacent device cards. FIG. 12 is a view showing another modification of FIG. 5, in which an update system file is transferred from one device card to another device card radially linked by a plurality of device cards 24-27. is there. As shown in the figure, in the link type transfer order, for example, the file server 1
When the update system file is transferred from the device card (), the update system file is transferred from the device card 24 to the device card 25 (), and the update system file is transferred from the device card 24 to the device card 26 (). The updated system file is transferred to the device card 27 ().

FIG. 13 shows an example of the transfer order shown in FIG.
9 is a flowchart illustrating an operation example of an update control unit 281 of the control card 28. As shown in FIG.
In 141, the update control unit 281 determines whether or not there is a transmission request of the update system file from the file server 1 to one of the device cards 24 to 27, for example, to the device card 24. If not, the process ends.

In step S142, the update control unit 2
81, when there is a transmission request of the update system file from the file server 1 to the device card 24,
The switch card 23 is requested to connect between the file server 1 and the device card 24. Step S14
At 3, it is determined whether or not there is a storage completion notification of the update system file of the device card 24. If there is no notification, the process returns to step S142.

In step S144, the update control unit 2
81 indicates that the transfer order setting unit 28
With reference to the transfer order of No. 2, the switch card 23 is requested to connect between the device card 24 and the device card 25. In step S145, the update control unit 281
It is determined whether or not the storage completion notification of the update system file of the device card 25 is received. If there is no notification, the process returns to step S144.

In step S146, the update control unit 2
81 indicates that the transfer order setting unit 28
With reference to the transfer order of No. 2, the switch card 23 is requested to connect between the device card 24 and the device card 26. In step S147, the update control unit 281
It is determined whether or not there is a storage completion notification of the update system file of the device card 26. If there is no notification, the process returns to step S146, and if there is a notification, the process ends.

In step S148, the update control unit 2
81 indicates that the transfer order setting unit 28
Referring to the transfer order of No. 2, the switch card 23 is requested to connect between the device card 24 and the device card 27. In step S149, the update control unit 281
It is determined whether or not the storage completion notification of the update system file of the device card 27 is received. If there is no notification, the process returns to step S148, and if there is, the process is terminated.

Further, in this way, the automatic transfer of the update system file between the device cards becomes possible. FIG. 14 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 with respect to the transfer order example in FIG. As shown in the figure, the transmitting / receiving unit 243 of the device card 24 receives the update system file from the file server 1.

Further, the transmission / reception unit 243 transmits the first frame of the update system file to the transmission / reception unit 253 of the device card 25, receives a transmission request from the transmission / reception unit 253, and transmits the second frame to the transmission / reception unit 253. .., This process is repeated. The transmitted data of the first frame and the second frame are sequentially stored in the frame buffer 25.
., The data of the first frame, the second frame,... Is stored in the temporary memory 251 and the data of all the frames is stored. The storage unit 253 receives from the transmission / reception unit 253 a notification that the update system file has been stored in the memory 251.

Further, the transmission / reception unit 243 transmits the first frame of the update system file to the transmission / reception unit 263 of the device card 26, receives the transmission request from the transmission / reception unit 263, and transmits the second frame to the transmission / reception unit 263. .., This process is repeated. The transmitted data of the first frame and the second frame are sequentially stored in the frame buffer 26.
., The data of the first frame, the second frame,... Is stored in the temporary memory 261 and the data of all the frames is stored. The storage unit 263 receives from the transmission / reception unit 263 a notification that the update system file has been stored in the memory 261.

Further, the transmission / reception unit 243 transmits the first frame of the update system file to the transmission / reception unit 273 of the device card 27, receives a transmission request from the transmission / reception unit 273, and transmits the second frame to the transmission / reception unit 273. .., This process is repeated. The transmitted first frame data, second frame data,...
., The data of the first frame, the second frame,... Is stored in the temporary memory 271, and when the data of all the frames is stored, the transmission / reception unit 243 transmits the temporary data from the frame buffer 270 to the temporary memory 271. The storage system 273 receives from the transmission / reception unit 273 a notification that the update system file has been stored in the memory 271.

FIG. 15 shows device cards 24-2 on the receiving side.
7 traffic volume determination units 244, 254, 264, 27
6 is a flowchart illustrating an operation example of Example No. 4; In step S151, the receiving-side device cards 24-27
Traffic volume determination units 244, 254, 264, 274
Performs frame reception. In step S152, the traffic volume determination units 244, 254, 264, and 274 of the device cards 24-27 on the receiving side
Data other than the update data relating to the frame of the update system file stored in each of 40, 250, 260, and 270 is confirmed.

In step S153, the traffic amount determination units 244, 2
Each of 54, 264, 274 determines whether or not a traffic volume exceeding the processing capacity has been generated by receiving the transfer of the update data, and ends the processing if it has not been generated.
In step S154, if it has occurred, each of the traffic volume determination units 244, 254, 264, and 274 of the device cards 24-27 on the receiving side determines that the transmission request of the update data is interrupted, and ends the processing.

FIG. 16 shows a device card 24 on the transmitting side.
To 27 traffic volume determination units 244, 254, 264,
274 is a flowchart for describing an operation example of an operation 274. In step S161, the device cards 24 to 24 on the transmission side
27 traffic volume determination units 244, 254, 264, 2
Reference numeral 74 performs frame transmission. In step S162, the traffic amount determination units 244, 254, 264, and 274 of the device cards 24-27 on the transmission side determine whether an update data transmission request has been received, and if so, terminate the process. .

In step S163, the traffic amount determination units 244, 2
54, 264 and 274 determine whether or not a predetermined time has elapsed since the transmission in step S161. If not, the process returns to step S162. If the predetermined time has elapsed in step S164, the traffic amount determination units 244 and 25 of the device cards 24 to 27 on the receiving side.
4, 264 and 274 determine that the frame transmission has been interrupted, and the process ends.

FIG. 17 is a flowchart for explaining an operation example of the update control unit 281 of the control card 28 when a traffic occurs. In step S171, the update control unit 281 of the control card 28 updates the traffic amount determination units 244, 254, and 26 of the device cards 24-27 on the receiving side.
4 and 274 each determine whether or not the device cards 24 to 27 have received a notification that the amount of traffic exceeding the processing capacity has been generated by receiving the transfer of the update data. I do.

In step S 172, if there is the above notification, the update control unit 281 requests the switch card 23 to disconnect the current device card. In step S173, referring to the transfer order setting unit 282, a connection request is made with the switch card 23 between the device cards on the opposite side, and the switch card 23 is transferred first, and the process is terminated.

FIG. 18 is a flowchart for explaining an operation example of the update control unit 281 of the control card 28 for resuming the connection between the device cards which has been disconnected due to the occurrence of traffic. In step S181, the update control unit 281
If the traffic volume exceeds the processing capacity, the switch card 23 is requested to maintain the disconnection between the device cards.

In step S182, it is determined whether or not a notification of the traffic volume processing capacity or less has been received from the corresponding traffic determination unit. If not, the process ends. In step S183, if a notification equal to or less than the traffic volume processing capacity is received, it is determined whether a notification of completion of storing the update system file with the device card on the opposite side to which the data has been transferred has been received. If not, the process ends.

If the above notification is received in step S184, a request to switch connection between the interrupted device cards is made to the switch card 23 to restart the transfer. FIG. 19 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 in which the traffic amount is interrupted and resumed depending on the processing capacity with respect to the transfer order example in FIG. .

As shown in the figure, the transmitting / receiving unit 243 of the device card 24 receives the updated system file from the file server 1. Further, the transmission / reception unit 243 transmits the first frame of the update system file to the device card 2
5 to the transmitting / receiving unit 253. The transmitted first frame is accumulated in the frame buffer 250, and the accumulated data of the first frame is stored in the temporary memory 251.

If the transmission / reception unit 243 does not receive a transmission request from the transmission / reception unit 253 of the device card 25 within a predetermined time, the transmission / reception unit 243 interrupts transmission to the transmission / reception unit 253 from the second frame onward, and transmits the first frame of the update system file. The frame is transmitted to the transmission / reception unit 273 of the device card 27 on the opposite side, a transmission request is received from the transmission / reception unit 273, the second frame is transmitted to the transmission / reception unit 273, and so on.

The transmitted first frame data, second frame data,... Are sequentially stored in the frame buffer 270, and the stored first frame, second frame,.
.. Are stored in the temporary memory 271 and the data of all the frames are stored.
Is the temporary memory 271 from the frame buffer 270
Transmission / reception unit 2 to notify the completion of storing the updated system file
73.

Further, after the completion notification, the transmitting / receiving section 24
3 receives the transmission request from the transmission / reception unit 253 of the device card, the transmission / reception unit 243 and the transmission / reception unit 273 transmit the second frame and the first frame of the update system file to the transmission / reception unit 253 of the device card 25 and the device card, respectively. 26, the transmission request is received from the transmission / reception unit 253 and the transmission / reception unit 263, and the third frame and the second frame are transmitted to the transmission / reception unit 273 and the transmission / reception unit 263, respectively. .

The transmitted data of the first frame, the second frame,... Are sequentially accumulated in the frame buffer 260, and the accumulated first frame, second frame,.
Are stored in the temporary memory 261 and the data of all the frames are stored.
Is the temporary memory 261 from the frame buffer 260
Transmission / reception unit 2 to notify the completion of storing the updated system file
63.

The transmitted data of the second frame and the third frame are sequentially stored in the frame buffer 25.
., The data of the second frame, the third frame,... Is stored in the temporary memory 251 and the data of all the frames is stored. The storage unit 253 receives from the transmission / reception unit 253 a notification that the update system file has been stored in the memory 251.

Therefore, according to the present invention, even if the traffic volume in the device suddenly increases during the file update,
Since the update system file can be efficiently transferred to the adjacent device card first and the file update can be interrupted or the file transfer amount of the update system file can be easily reduced. ,
When updating a file of a device mounted on an operating device, efficient file transfer in consideration of the traffic volume in the device has become possible.

FIG. 20 is a block diagram showing another schematic configuration of the in-device same device automatic file update system according to the present invention. As shown in the figure, a component different from FIG. 1 is a terminal 3 connected to the network node device 2. The terminal 3 is a management device of the network node device 2 and accesses the update control unit 281 of the control card 28 via the line cards 21 and 22 and the switch card 23.

The update control unit 281 receives an operation from the terminal 3, and
By copying the current system file stored in the current system file memory 245 of one device card 24 and storing it in the temporary memory 241,
A function to start automatic file update of the same device card mounted on the network node device 2 is added.

[0082] Of the plurality of device cards 24-27,
If one current system file is normal and the other current system file becomes abnormal, copying can be done automatically,
Labor and time can be saved.

[0083]

As described above, according to the present invention, in a method for automatically updating a same device in a device for performing file update for a plurality of same devices mounted in the device, the connection between devices is performed. Make an external connection, store the file, set the transfer order to the device, and when the update file is sent to one device from the outside and accumulated in the memory, refer to the transfer order and transfer between the devices. Connect and transfer the update file to another device to update the stored file.
If a file is updated on one device, the file is automatically updated on other devices, so it does not require extra labor and time to update the file, and efficient file transfer is possible. Become.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of an in-apparatus same-device automatic file update system according to the present invention.

FIG. 2 is a flowchart illustrating the operation of each of line cards 21 and 22 in FIG.

FIG. 3 is a diagram illustrating frame division units 242 and 252 in FIG.
FIGS. 262 and 272 each illustrate division of an update system file.

4 is a diagram illustrating the transfer order of the update system files of the device cards 24 to 27 set by the transfer order setting unit 282 of the control card 28 in FIG.

FIG. 5 is a diagram showing an example in which an update system file is transferred in one direction of a link serially by a plurality of device cards 24-27.

FIG. 6 is a flowchart illustrating an operation example of an update control unit 281 of the control card 28 with respect to the transfer order example of FIG.

7 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 with respect to the transfer order example in FIG.

FIG. 8 is a flowchart illustrating replacement control by the update control unit 281 of the control card 28 with an update system file.

9 is a modified example of FIG.
It is a figure which shows the example which transfers an update system file in parallel two directions by 4-27.

FIG. 10 shows a control card 28 for the transfer order example of FIG.
8 is a flowchart for explaining an operation example of the update control unit 281.

11 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 with respect to the transfer order example in FIG.

12 is a diagram illustrating another modification of FIG. 5, in which an update system file is transferred from one device card to another device card radially linked by a plurality of device cards 24-27. It is.

13 shows a control card 2 for the transfer order example in FIG.
8 is a flowchart illustrating an operation example of an update control unit 281 of FIG.

14 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 with respect to the transfer order example in FIG.

FIG. 15 is a flowchart illustrating an operation example of the traffic volume determination units 244, 254, 264, and 274 of the device cards 24-27 on the receiving side.

FIG. 16 is a flowchart illustrating an operation example of the traffic amount determination units 244, 254, 264, and 274 of the device cards 24 to 27 on the transmission side.

FIG. 17 is a flowchart illustrating an operation example of the update control unit 281 of the control card 28 when a traffic occurs.

FIG. 18 is an update controller 28 of the control card 28 for resuming the connection between the device cards that has been disconnected due to the occurrence of traffic.
6 is a flowchart illustrating an operation example of FIG.

19 is a sequence diagram illustrating the operation of the transmission / reception units 243, 253, 263, and 273 in FIG. 1 in which the traffic amount is interrupted and restarted depending on the processing capacity with respect to the transfer order example in FIG. .

FIG. 20 is a block diagram showing another schematic configuration of the in-apparatus same-device automatic file update system according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... File server 2 ... Network node apparatus 3 ... Terminal 21, 22 ... Line card 23 ... Switch card 24-27 ... Device card 28 ... Control card 240, 250, 260, 270 ... Frame buffer 241, 251, 261, 271 ... Temporary memory 242, 252, 262, 272 ... Frame division unit 243, 253, 263, 273 ... Transmission / reception unit 244, 254, 264, 274 ... Traffic amount determination unit 245, 255, 265, 275 ... Current system file memory 281 ... Update Control unit 282: transfer order setting unit

Claims (13)

[Claims] 1. An in-apparatus same device automatic file update system for executing file update for a plurality of same devices mounted in an apparatus, a switch unit for connecting between devices and connecting to the outside, A transfer order setting unit for setting a transfer order to the device; and when an update file is externally transmitted to one of the devices and stored in the memory unit, the transfer order setting unit An update control unit for controlling the switch unit with reference to a transfer order, connecting the devices, transferring the update file to another device, and updating a file stored in the memory; The same device automatic file update system in the apparatus, characterized by comprising: 2. The transfer order setting unit sets an order of transfer in one direction of a serial link so that the switch unit connects the devices in a link type.
The in-device same device automatic file update system according to claim 1. 3. The transfer order setting unit sets the order of transfer in two parallel directions, a forward direction and a reverse direction of a link, so that the switch unit connects the devices in a link type. 2. The automatic file updating system for the same device in the device according to claim 1. 4. The transfer order setting unit sets an order of transfer from one device card to another device card radially linked so that the switch unit connects the devices in a link type. The in-device same device automatic file update system according to claim 1, characterized in that: 5. The same-device automatic device in an apparatus according to claim 1, wherein the update file between the devices is obtained by dividing the update file into a plurality of frames and transferring each frame in units of transmission requests. File update system. 6. A frame buffer is provided in the memory,
The system according to claim 1, wherein the frame buffer temporarily stores frames of the update file. 7. A device according to claim 1, further comprising a traffic amount judging unit provided in each of said devices, wherein said traffic judging unit checks data other than frames stored in a frame buffer of said memory, and, when a frame is transferred, processing capacity. 2. The system for automatically updating files in the same device according to claim 1, wherein it is determined whether or not a traffic volume exceeding the limit is generated, and if the traffic volume is generated, a request for transmitting a frame is interrupted. 8. When the transmission request is not received within a predetermined time during transmission of the frame of the update file, the update control unit suspends the transfer to the corresponding device, and refers to the transfer order setting unit. 8. The system according to claim 7, wherein the file is transferred to a device to be transferred next. 9. The apparatus according to claim 7, wherein the update control unit restarts the transfer of the frame when there is a transmission request from the device whose frame transfer has been interrupted. Device automatic file update system. 10. The same-device automatic device according to claim 1, wherein the update control unit replaces the update file with the current file when the transfer of the update file is completed for all devices. File update system. 11. The same device automatic file in the apparatus according to claim 6, wherein a temporary memory is provided in the memory, and the frame stored in a frame buffer is stored in the temporary memory for each transfer. Update system. 12. The update control unit, in response to a file copy request from outside, refers to the transfer order of the transfer order setting unit, controls the switch unit to change the connection between the devices, and 2. The system for automatically updating files in the same device according to claim 1, wherein a file of one device is transferred to another device, and a file stored in the memory is updated. 13. An in-apparatus same-device automatic file update method for executing file update for a plurality of same devices mounted in an apparatus, comprising the steps of: connecting between devices and connecting to the outside; Storing, and setting the transfer order to the device; and connecting the devices by referring to the transfer order when an update file is transmitted to one of the devices from outside and stored in the memory unit. Transferring the update file to another device and updating the stored file.