CN210222738U - Interrupt reconnection quick response device and communication equipment - Google Patents
Interrupt reconnection quick response device and communication equipment Download PDFInfo
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- CN210222738U CN210222738U CN201921555811.2U CN201921555811U CN210222738U CN 210222738 U CN210222738 U CN 210222738U CN 201921555811 U CN201921555811 U CN 201921555811U CN 210222738 U CN210222738 U CN 210222738U
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Abstract
The utility model relates to an interrupt reconnection quick response device and communication equipment, include the main control panel, be equipped with control panel and two at least business boards, each the business board respectively with the main control panel with be equipped with the control panel and pass through communication channel and connect, the main control panel, be equipped with control panel and business inboard and all be provided with CPU and switched network chip, each CPU all is connected through high-speed data communication bus with the switched network chip that corresponds, the main control panel, be equipped with control panel and business board and be suitable for: when the main channel of each service board is normal, each service board closes the alternative channel according to the main/standby state of the main control board and enables the connection of the main channel of each service board; when the main channel of a certain service board is abnormal, the exchange network chip of the service board monitors whether the alternative channel is normal, and if so, the alternative channel is enabled to be connected. The utility model discloses can shorten the off-time of local communication channel trouble, promote the reliability and the switching efficiency of product.
Description
Technical Field
The utility model relates to the field of communication technology, in particular to interrupt reconnection quick response device and communication equipment.
Background
In some communication devices, a main control board needs to perform software upgrading, configuration issuing, status monitoring, and interaction of other data and control signals on a service board through a communication channel, and in order to avoid a problem that a service of the service board of the entire communication device is interrupted due to an abnormal communication channel, main and standby redundant protection of the communication channels between boards is generally implemented, so as to enhance reliability of the communication channels between boards.
The traditional service board CPU and the main/standby main control board CPU adopt an analog switch to select an Ethernet switch chip connected to a main control according to the main/standby state of the main control board to realize inter-board communication; when the states of the main and standby main control boards change, the analog switch is switched, the service board CPU and the main control board CPU are both connected to the switch chip of the new main control board to implement inter-board communication, limited by the analog switch rate, and currently, a 100M rate communication channel is mainly used, and the main and standby switching is implemented by using the connection scheme shown in fig. 1. This prior art solution mainly has the following disadvantages:
1) the connection state of the standby channel can not be monitored by simulating a single-pole double-throw switch, and if the connection of the standby channel is interrupted, the communication between boards can be interrupted after switching.
2) The analog switch speed is low, the highest communication channel between boards can only reach 100M according to the barrel effect, the mainstream of the communication interface of the current CPU reaches 1000M, and the bandwidth of the communication interface is greatly wasted.
3) If the communication between one of the service boards and the main control board is interrupted, and the other service boards are normal, the main control board can resume the communication with all the service boards only when the main/standby switching is performed, so that the communication channel of one service board is abnormal, which causes the analog switches of the main control board and the service board to be switched, and not only the influence range is large, but also the service interruption time is long.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an interrupt reconnection fast response apparatus and a communication device to solve the above-mentioned problems in the prior art and to realize high-speed communication between boards.
In order to achieve the above purpose, the present invention adopts the following technical solutions.
The utility model provides an interrupt reconnection quick response device for contain the main control panel, be equipped with the communication equipment of control panel and two at least business boards, each the business board respectively with the main control panel with be equipped with the control panel and pass through communication channel and connect, the main control panel, be equipped with CPU and switched network chip in control panel and the business board, each CPU all is connected through high-speed data communication bus with the switched network chip that corresponds, just the main control panel also is connected through high-speed data communication bus with being equipped with between the switched network chip of control panel, just the main control panel, be equipped with control panel and business board and be suitable for:
when the communication channel between each service board and the main control board is normal, each service board closes the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, and enables the connection of the communication channels of the exchange network chips of the main control board and each service board;
when the communication channel between a certain service board and the main control board is abnormal, the exchange network chip of the service board monitors whether the communication channel between the service board and the standby control board is normal, and if so, the connection of the communication channel between the service board and the standby control board is enabled.
In the above-mentioned device for fast responding to interrupt reconnection, the switching network chip of the service board includes a working port and a protection port, and is connected to the switching network chip of the main control board through the working port and is connected to the switching network chip of the standby control board through the protection port.
In the above-mentioned device for fast responding to interrupt reconnection, each service board is adapted to detect whether the communication channel between the service board and the main control board is normal by using the working port of the switching network chip, and is adapted to detect whether the communication channel between the service board and the standby control board is normal by using the protection port of the switching network chip.
In the above-mentioned device for fast responding to interrupt reconnection, the switching network chip of each service board is adapted to enable the connection of the communication channel between the switching network chip and the main control board when the communication channel between the switching network chip and the standby control board is normal.
In the above apparatus for fast responding to interrupt reconnection, the high-speed data communication bus uses an SGMII interface.
The utility model also provides a communication equipment, include the main control panel, be equipped with control panel and two at least business boards, each the business board respectively with the main control panel with be equipped with the control panel and pass through communication channel and connect, the main control panel, be equipped with control panel and business inboard and all be provided with CPU and switched network chip, each CPU all is connected through high-speed data communication bus with the switched network chip that corresponds, just also through high-speed data communication bus connection between the main control panel and the switched network chip that is equipped with the control panel, just the main control panel, be equipped with control panel and business board and be suitable for:
when the communication channel between each service board and the main control board is normal, each service board closes the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, and enables the connection of the communication channels of the exchange network chips of the main control board and each service board;
when the communication channel between a certain service board and the main control board is abnormal, the exchange network chip of the service board monitors whether the communication channel between the service board and the standby control board is normal, and if so, the connection of the communication channel between the service board and the standby control board is enabled.
The utility model discloses utilize the switched network chip to replace traditional analog switch, can realize the very big promotion of switching rate to each CPU is connected with the high-speed data communication bus of switched network chip accessible that corresponds in order to promote the communication rate of inter-plate communication channel. In addition, the main control board, the standby control board and the service board are suitable for closing or opening the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, so that the communication channel of the service board is switched under the condition that the main/standby switching of the main control board is not generated, the normal use of other service boards is not influenced, the interruption time of local communication channel faults can be shortened, and the reliability and the switching efficiency of products are improved.
Drawings
Fig. 1 is a schematic diagram of a connection structure between a service board CPU and a main/standby main control board in the prior art;
fig. 2 is a schematic diagram of a connection structure of the apparatus for interrupting and reconnecting a quick response device in this embodiment.
Detailed Description
The following further description is made with reference to the drawings and specific embodiments.
The two words "enable" and "disable" referred to herein are terms of art in the field of communications and automation, the specific concepts of which will be well known to those skilled in the art and will not be explained or detailed herein.
As shown in fig. 2, the present embodiment provides a method for fast responding to an interruption reconnection, which is used for a communication device including a main control board, a standby control board, and N (N ≧ 2) service boards, where each service board is connected to the main control board and the standby control board through a communication channel respectively; the main control panel, the standby control panel and the service panel are all internally provided with a CPU and a switching network chip, each CPU is connected with the corresponding switching network chip through a high-speed data communication bus, and the switching network of the main control panel is connected with the switching network chip of the standby control panel through the high-speed data communication bus.
The communication channel between the service board and the main control board (hereinafter referred to as "main channel") and the communication channel between the service board and the standby control board (hereinafter referred to as "alternative channel") can both adopt communication channels based on ethernet.
The main control panel, the standby control panel and the service panels (1-N) can realize that:
when the communication channel (namely, the main channel) between each service board and the main control board is normal, each service board closes the communication channel (namely, the alternative channel) between each service board and the standby control board according to the main/standby state of the main control board, and enables the connection of the main channel of each service board;
when the main channel of a certain service board (service board 1, service board 2, … … or service board N) is abnormal, the switching network chip of the service board monitors whether the alternative channel is normal, and if so, the connection of the alternative channel is enabled.
Preferably, the service board, the main control board and the standby control board can implement the function of quick response to reconnection by the following steps:
s10: detecting whether the main channel of each service board is normal;
s20: if yes, each service board closes the alternative channel according to the main/standby state of the main control board and enables the connection of the main channel;
s30: if not, detecting whether the alternative channel of the service board is normal;
s40: if so, connection of the alternative channel thereof is enabled.
The switching network chip of the service board of this embodiment includes a working port and a protection port, wherein the working port is used for connecting with the switching network chip of the main control board; the protection port is used for being connected with the switching network chip of the standby control panel.
When detecting that the main channel of each service board is normal, the CPU of the service board closes its alternative channel according to the main/standby state of the main control board, which specifically includes:
when the main control board is used as the main control component of the equipment, all broadcast data and control signals of the service boards are forwarded and processed by the main control board, at this time, the connection of the main channel of each service board is enabled, and meanwhile, the alternative channel of each service board needs to be closed or the connection of the alternative channel of each service board needs to be enabled, so that the broadcast data and control signals in the service boards enter the main control board through the alternative channel and the alternative control board to form a two-layer switching loop, and a broadcast storm is caused.
When the main channel of a certain service board is abnormal, the exchange network chip of the service board can automatically monitor whether the alternative channel is normal, and if so, the alternative channel can be connected. The method specifically comprises the following steps:
the main channel of the service board is abnormal, and can not normally receive and transmit signals and transmit data, at this moment, the exchange network chip of the service board can automatically monitor whether the alternative channel is still in a normal state, if so, the alternative channel is started, at this moment, the exchange network chip of the service board can enable the connection of the alternative channel, so that the data and control signals of the service board reach the main control board through the alternative channel and the standby control board, and the network is interrupted and reconnected.
In this embodiment, the working port of the switching network chip in each service board is not only used for connecting with the switching network chip of the main control board, but also used for monitoring the connection state of the main channel of the service board; the protection port is not only used for connecting with the switching network chip of the standby control panel, but also can monitor the connection state of the alternative channel of the service panel. Before switching the alternative channel, whether the alternative channel is normal or not is monitored, which is helpful to prevent network failure caused by unavailable alternative channel, thereby improving the reliability of switching.
After the alternative channels are successfully switched, in order to prevent data and control signals of the service board from entering the main control board from the main channel to cause broadcast storm when the main channel of the service board recovers to normal, when the main channel of a certain service board is abnormal and the alternative channel of the service board is normal, the service board enables the connection of the main channel of the service board.
Based on the structure, the embodiment can effectively and quickly realize the interruption reconnection of the network, and when the main channel of a certain service board is abnormal, the main control board does not need to be subjected to main-standby switching, other normal service boards cannot be influenced, so that the interruption time of local communication channel faults can be shortened, and the reliability and the switching efficiency of products are improved.
The embodiment of the utility model provides a still provide a communication equipment, include the main control panel, be equipped with control panel and N (N is greater than or equal to 2) business board, each the business board respectively with the main control panel with be equipped with the control panel and pass through communication channel and connect, the main control panel, be equipped with control panel and business inboard and all be provided with CPU and switched network chip, each CPU all is connected through high-speed data communication bus with the switched network chip that corresponds, just the main control panel also is connected through high-speed data communication bus with being equipped with between the switched network chip of control panel, just the main control panel, be equipped with control panel and business board and be suitable for:
when the communication channel (namely, the main channel) between each service board and the main control board is normal, each service board closes the communication channel (namely, the alternative channel) between each service board and the standby control board according to the main/standby state of the main control board, and enables the connection of the main channel of each service board;
when the main channel of a certain service board is abnormal, the exchange network chip of the service board monitors whether the alternative channel is normal, and if so, the alternative channel is enabled to be connected.
In the above-mentioned interruption reconnection fast response apparatus and communication device, the high-speed data communication bus adopts an SGMII Interface (Serial Media Independent Interface, Gigabit) to realize a network transmission rate of a Gigabit broadband, and compared with a traditional transmission rate of 100M at the maximum, the communication efficiency between boards is greatly improved.
To sum up, the utility model discloses utilize the switched network chip to replace traditional analog switch, can realize the very big promotion of switching rate to each CPU is connected with the communication rate who promotes inter-plate communication channel with the high-speed data communication bus of switched network chip accessible that corresponds. In addition, the main control board, the standby control board and the service board are suitable for closing or opening the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, so that the communication channel of the service board is switched under the condition that the main/standby switching of the main control board is not generated, the normal use of other service boards is not influenced, the interruption time of local communication channel faults can be shortened, and the reliability and the switching efficiency of products are improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides an interrupt reconnection quick response device for contain the communication equipment of main control panel, be equipped with control panel and two at least business boards, each the business board respectively with main control panel and be equipped with the control panel and pass through communication channel and be connected, its characterized in that, main control panel, be equipped with CPU and switched network chip in control panel and the business board, each CPU all is connected through high-speed data communication bus with the switched network chip that corresponds, and also through high-speed data communication bus connection between the switched network chip of main control panel and being equipped with the control panel, just main control panel, be equipped with control panel and business board and be suitable for:
when the communication channel between each service board and the main control board is normal, each service board closes the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, and enables the connection of the communication channels of the exchange network chips of the main control board and each service board;
when the communication channel between a certain service board and the main control board is abnormal, the exchange network chip of the service board monitors whether the communication channel between the service board and the standby control board is normal, and if so, the connection of the communication channel between the service board and the standby control board is enabled.
2. The interrupt reconnect fast response means of claim 1, wherein: the switching network chip of the service board comprises a working port and a protection port, is connected with the switching network chip of the main control board through the working port and is connected with the switching network chip of the standby control board through the protection port.
3. The apparatus of claim 2, wherein: each service board is suitable for detecting whether the communication channel between the service board and the main control board is normal by using the working port of the switching network chip, and is suitable for detecting whether the communication channel between the service board and the standby control board is normal by using the protection port of the switching network chip.
4. The apparatus of claim 2 or 3, wherein: the exchange network chip of each service board is suitable for enabling the connection of the communication channel between the exchange network chip and the main control board when the communication channel between the exchange network chip and the standby control board is normal.
5. The interrupt reconnect fast response means of claim 1, wherein: the high-speed data communication bus adopts an SGMII interface.
6. A communication device comprises a main control panel, a standby control panel and at least two service panels, wherein each service panel is respectively connected with the main control panel and the standby control panel through a communication channel, the communication device is characterized in that the main control panel, the standby control panel and the service panels are internally provided with a CPU and a switching network chip, each CPU is connected with the corresponding switching network chip through a high-speed data communication bus, the main control panel and the switching network chip of the standby control panel are also connected through the high-speed data communication bus, and the main control panel, the standby control panel and the service panels are suitable for:
when the communication channel between each service board and the main control board is normal, each service board closes the communication channel between the main control board and the standby control board according to the main/standby state of the main control board, and enables the connection of the communication channels of the exchange network chips of the main control board and each service board;
when the communication channel between a certain service board and the main control board is abnormal, the exchange network chip of the service board monitors whether the communication channel between the service board and the standby control board is normal, and if so, the connection of the communication channel between the service board and the standby control board is enabled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555811.2U CN210222738U (en) | 2019-09-19 | 2019-09-19 | Interrupt reconnection quick response device and communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921555811.2U CN210222738U (en) | 2019-09-19 | 2019-09-19 | Interrupt reconnection quick response device and communication equipment |
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| CN210222738U true CN210222738U (en) | 2020-03-31 |
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| CN201921555811.2U Withdrawn - After Issue CN210222738U (en) | 2019-09-19 | 2019-09-19 | Interrupt reconnection quick response device and communication equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543390A (en) * | 2019-09-19 | 2019-12-06 | 深圳市友华通信技术有限公司 | Method and device for quickly responding to interrupt reconnection and communication equipment |
-
2019
- 2019-09-19 CN CN201921555811.2U patent/CN210222738U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543390A (en) * | 2019-09-19 | 2019-12-06 | 深圳市友华通信技术有限公司 | Method and device for quickly responding to interrupt reconnection and communication equipment |
| CN110543390B (en) * | 2019-09-19 | 2024-07-09 | 深圳市友华通信技术有限公司 | Quick response method, device and communication equipment for interrupt reconnection |
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