CN101848399A - Nondestructive changeover method, nondestructive changeover equipment and switching equipment - Google Patents
Nondestructive changeover method, nondestructive changeover equipment and switching equipment Download PDFInfo
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- CN101848399A CN101848399A CN 200910119714 CN200910119714A CN101848399A CN 101848399 A CN101848399 A CN 101848399A CN 200910119714 CN200910119714 CN 200910119714 CN 200910119714 A CN200910119714 A CN 200910119714A CN 101848399 A CN101848399 A CN 101848399A
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Abstract
The embodiment of the invention discloses a nondestructive changeover method used for switching equipment. The switching equipment comprises at least two switch boards. The method comprises the following steps of: producing an active/standby changeover request according to an active/standby changeover triggering condition; changing the state of at least one of the switch boards of which the state is in an active mode into a standby mode according to the active/standby changeover request and changing the state of at least one of the switch boards of which the state is in the standby mode into the active mode; receiving a service request and sending the service request to the at least two switch boards; and judging whether to process the service request according to respective state by the at least two switch boards. In the scheme provided by the embodiment of the invention, nondestructive active/standby changeover of a switched network system is realized by controlling the active and standby modes of the switch boards. Therefore software load is reduced, changeover time is shortened and system complexity is reduced.
Description
Technical field
The present invention relates to the communications field, particularly a kind of nondestructive changeover method, nondestructive changeover equipment and switching equipment.
Background technology
Along with developing rapidly of the communication technology, increasing to the capacity requirement of switching network.Existing big capacity switching network adopts three grades of architecture for exchanging of fixed length cell, three grades of switching network configuration diagram as shown in Figure 1.Wherein, the first order and the third level are SM (Switching Memory, cache exchanging) chips, finish the cache exchanging and the scheduling of cell; The second level is SC (Switching Crossbar, switching matrix) chip, finishes the arbitration of cell request, realizes the intercommunication mutually between the multi-disc SM.
When cell switching, first order network SMI (Switching Memory Ingress, cache exchanging is up) to the second level network SC exchange request is proposed, SC arbitrates according to arbitration algorithm the request of input, arbitration sends cell to SC by back notice SMI, purpose third level network SME (Switching Memory Engress, cache exchanging is descending) is arrived in cell switching.Wherein, SMI is the up of SM chip, and SME is the descending of SM chip, the corresponding business board of forming in three grades of switching networks.SM cache exchanging chip, the corresponding power board of forming in three grades of switching networks.
Power board SM is in core position in the switching network system, all business boards are connected with power board, realizes operation exchange by power board.If power board goes wrong, will cause all business board service disconnection of being attached thereto, be equipped with power board and make redundancy protecting, the reliability of enhanced system so need to increase.
Main power board is finished all operation exchange of entire switching network system, is equipped with power board and is in Status of Backups always, does not bear operation exchange.When main power board breaks down, can switch to the operation exchange that main power board is born system by being equipped with power board, main power board originally switches to power board fully, realizes the fast quick-recovery of the system failure, realizes the power board protection.
When active and standby power board all can operate as normal, the active and standby power board of transmitting order to lower levels manual switching or pull out main power board, professional must be able to can't harm, promptly the power board nondestructive changeover is an important measurement index of switching network system.
At present, when making the switching network masterslave switchover, control all business boards request is carried to being equipped with power board, stop to submit to ask to original main power board.All are professional just by the original exchange of power board fully like this, are equipped with power board and become new main power board.Main power board originally then is initially located in Status of Backups, does not bear professional exchange, becomes the new power board that is equipped with, and realizes active and standby nondestructive changeover.
In realizing process of the present invention, the inventor finds that above-mentioned prior art has following shortcoming at least:
During the prior art masterslave switchover, need to revise all business boards and put forward request mode, the software work amount is big, and switching time is longer.If the polylith power board is arranged in the switching network, wherein the arbitrary portion power board is done active and standby switching, and then needs to detect all ports, and system realizes complicated.
Summary of the invention
The embodiment of the invention provides a kind of nondestructive changeover method, nondestructive changeover equipment and switching equipment, has reduced the software work amount, has shortened switching time, and described technical scheme is as follows:
The embodiment of the invention provides a kind of nondestructive changeover method, is used for switching equipment, and described switching equipment comprises at least two power boards, and described method comprises:
According to the masterslave switchover trigger condition, produce the masterslave switchover request;
According to described masterslave switchover request, with at least one bulk state in described at least two power boards is that the state of main power board with pattern changes to standby mode, is that the state of the power board of standby mode changes to the pattern of using of leading with at least one bulk state in described at least two power boards;
Receive service request, and described service request is sent to described at least two power boards;
Described at least two power boards judge whether to handle described institute service request according to described state separately, wherein, state in described at least two power boards is that the master handles described service request with the power board of pattern, and the state in described at least two power boards is that the power board of standby mode is not handled described service request.
Correspondingly, the embodiment of the invention provides a kind of nondestructive changeover equipment, and described equipment comprises:
Receiver module is used to produce the masterslave switchover request;
Search module, be used for, search corresponding power board to be switched according to described masterslave switchover request;
Switch module, be used for the described pattern of switching power board of waiting of searching module searches is replaced by the desired pattern of described masterslave switchover information.
Correspondingly, the embodiment of the invention also provides a kind of switching equipment, and described switching equipment comprises at least two power boards, and described equipment comprises:
Setting module is used to described at least two power board set conditions, and described state comprises main with pattern and standby mode;
Generation module is used for according to the masterslave switchover trigger condition, produces the masterslave switchover request;
Switch module, be used for according to described masterslave switchover request, with at least one bulk state in described at least two power boards is that the state of main power board with pattern changes to standby mode, is that the state of the power board of standby mode changes to the pattern of using of leading with at least one bulk state in described at least two power boards;
Receiver module is used to receive service request, and described service request is sent to described at least two power boards;
Processing module, be used for described at least two power boards basis described state separately and judge whether to handle described institute service request, wherein, state in described at least two power boards is that the master handles described service request with the power board of pattern, and the state in described at least two power boards is that the power board of standby mode is not handled described service request.
The method and apparatus that the embodiment of the invention provides, active and standby mode switch by the control power board realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduced the software work amount greatly, shorten switching time, reduced system complexity.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is three grades of switching network configuration diagram that provide in the prior art;
Fig. 2 is the method flow schematic diagram that the embodiment of the invention 1 provides;
Fig. 3 is the method flow schematic diagram that the embodiment of the invention 2 provides;
Fig. 4 is three grades of switching network structural representations that the embodiment of the invention 2 provides;
Fig. 5 is the method flow schematic diagram that the embodiment of the invention 3 provides;
Fig. 6 is three grades of switching network exchange load sharing structural representations that the embodiment of the invention 3 provides;
Fig. 7 is the device structure schematic diagram that the embodiment of the invention 4 provides;
Fig. 8 is the device structure schematic diagram that the embodiment of the invention 5 provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment 1
The embodiment of the invention provides a kind of nondestructive changeover method, is used for switching equipment, and switching equipment comprises at least two power boards,, referring to Fig. 2, this method comprises:
101: be at least two power board set conditions, state comprises main with pattern and standby mode;
102:, produce the masterslave switchover request according to the masterslave switchover trigger condition;
Wherein, the masterslave switchover request is that system generates, rather than receive from the external world.
103: according to the masterslave switchover request, with at least one bulk state at least two power boards is that the state of main power board with pattern changes to standby mode, is that the state of the power board of standby mode changes to the pattern of using of leading with at least one bulk state at least two power boards;
104: receive service request, and service request is sent at least two power boards;
105: at least two power boards are according to the request that judges whether to manage business of separately state, wherein, state in described at least two power boards is main with the request of managing business of the power board of pattern, and the state at least two power boards is that the power board of standby mode is not handled service request.
Wherein, method also comprises: comprise in the masterslave switchover request and wait the Switch mode for the treatment of switching the sign of power board and wait to switch power board.
Wherein, the masterslave switchover trigger condition comprises: pull out main power board, main frame issues and switches order or main power board fault.
The method that the embodiment of the invention provides, active and standby mode switch by the control power board realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduced the software work amount greatly, shorten switching time, reduced system complexity.
Embodiment 2
The embodiment of the invention provides a kind of nondestructive changeover method, wherein the SC chip is supported active and standby pattern in three grades of switching networks providing of the embodiment of the invention, for convenience of explanation, to have a main power board and one to be equipped with power board in three grades of switching networks is that example describes the method that the embodiment of the invention provides, referring to Fig. 3, three grades of switching network masterslave switchover specific implementation processes are as follows:
201: system detects the masterslave switchover trigger condition, triggers the masterslave switchover order.
Wherein, there are a main power board and one to be equipped with power board in three grades of switching networks of the embodiment of the invention, referring to Fig. 4, when business board x is three grades of first order networks in the switching network, be responsible for sending the exchange request to main power board, power board is arbitrated according to arbitration algorithm sending request, and arbitration sends information to power board by back informing business plate x, and business information is exchanged to business board y as third level network.Because in this exchange process, business board x is as the first order network in three grades of switching networks, send business information by power board to business board y, be called the transmission business board, and business board y is as the third level network in three grades of switching networks, receive the business information that business board x sends, be called the reception business board.Because three grades of switching networks are supported transmitted in both directions, as business board y during, send business information again as sending business board to business board x by power board as the first order network in three grades of switching networks, business board x is as receiving business board.
In the embodiment of the invention with business board x as sending business board, business board y is that example describes as receiving business board.Wherein, the quantity of business board x and business board y can be for a plurality of, and the quantity of business board x and business board y can be different, as shown in Figure 4.When the quantity of business board x and business board y when all being a plurality of, can the partial service plate among the business board x as sending business board, the partial service plate is as receiving business board; In like manner, also can the partial service plate among the business board y as sending business board, the partial service plate is as receiving business board.
Wherein, three grades of switching network systems are to main power board and be equipped with power board and detect, can be according to preset time at interval to main power board be equipped with power board and detect, also can be at any time to main power board be equipped with power board and detect.Before carrying out masterslave switchover, at first to guarantee the fully operate as normal of power board, so also comprise being equipped with the whether detection of operate as normal of power board in the process that detects.
Wherein, system detects the masterslave switchover trigger condition and is specially: pull out main power board, main frame issues and switches order or main power board fault etc.When system detects above-mentioned any situation, can trigger the masterslave switchover order.
Wherein, the masterslave switchover order carry current main power board sign and with current main power board switch for be equipped with power board switch instruction, it is current that to be equipped with the sign of power board and current power board is fully switched be the instruction of switching of main power board.
202: system sends to current main power board and the current power board that is equipped with respectively with this masterslave switchover order.
Wherein, after the order of system triggers masterslave switchover, this masterslave switchover order is sent to current main power board and the current power board that is equipped with respectively, notify current main power board to lead with pattern and switch into standby mode, notify the current power board that is equipped with that standby mode is switched the main pattern of using.Wherein, system sends the masterslave switchover order to current main power board and the current order that is equipped with power board in no particular order.
203: after current main power board receives the masterslave switchover order, to lead to switch and be standby mode with pattern, and continue to receive the transmission business board and asked the business information that exchanges and be transmitted to the reception business board, send the new business information exchange requests that business board sends but abandon.
Wherein, current main power board receives the masterslave switchover order, obtains the sign of the current main power board that carries in the masterslave switchover order and current main power board is switched to being equipped with the instruction of switching of power board; And, will lead to switch and be standby mode with pattern according to switching instruction; After switching to standby mode, current main power board becomes the new power board that is equipped with, still continue to receive send business board and before switching, asked the business information that exchanges, and the business information that receives is transmitted to the reception business board, send the new business information exchange requests that business board sends but abandon, promptly will not respond for the new business information exchange requests that sends the business board transmission.
Wherein, the chip support in the power board is optional by the active/standby mode of internal register and external terminal mode control chip, the convenient application.
204: after the order of the current reception of power board fully masterslave switchover, it is the main pattern of using that standby mode is switched, receive the business information exchange request that business board sends that sends, the request that sends is arbitrated, arbitration receives by the back and sends the business information that business board sends, and this business information is exchanged to the reception business board.
Wherein, the current power board that is equipped with receives the masterslave switchover order, and obtaining the sign of the current power board fully that carries in the masterslave switchover order and current power board is fully switched is the instruction of switching of main power board; And according to switching instruction, it is the main pattern of using that standby mode is switched; When switch be main with pattern after, the current power board that is equipped with becomes new main power board, receives to send the business information exchange request that business board sends, and the request that sends is arbitrated, arbitration receives by the back and sends the business information that business board sends, and this business information is exchanged to the reception business board.
Wherein, above-mentioned steps 203 and step 204 can exchange sequences, and promptly first execution in step 204 is execution in step 203 again, and this embodiment of the invention is not limited.Receive business board when masterslave switchover is just finished, all can receive business information from active and standby power board, reception business board not differentiated service information comes autonomous power board still to be equipped with power board, and all business information of receiving are recombinated by rule.
The embodiment of the invention is that example describes to have a main power board and one to be equipped with power board in three grades of switching networks in the above-mentioned steps, method provided by the invention also is applicable to the situation that quantity that has polylith master power board and polylith to be equipped with power board and main power board in three grades of switching networks and the quantity that is equipped with power board equate, promptly main power board and the ratio that is equipped with power board are 1: 1 situations, its masterslave switchover processing procedure, the pattern of all main power boards switched be standby mode, it is the main pattern of using that all patterns that are equipped with power board are switched, similar with above-mentioned steps, repeat no more.
The method that the embodiment of the invention provides, active and standby mode switch by the control power board under the situation that active and standby power board quantity equates realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduced the software work amount greatly, shorten switching time, reduced system complexity.
Embodiment 3
The embodiment of the invention provides a kind of nondestructive changeover method, wherein the SC chip is supported active and standby pattern in three grades of switching networks providing of the embodiment of the invention, the embodiment of the invention is example so that N+M piece power board to be arranged in three grades of switching networks as main power board, the method that the embodiment of the invention is provided describes, referring to Fig. 5, three grades of switching network masterslave switchover specific implementation processes are as follows:
301: system detects load sharing and switches trigger condition, triggers the masterslave switchover order.
Wherein, system uses N piece power board to reach the design exchange capacity of system in the embodiment of the invention; increase M piece power board on this basis as redundancy backup; N+M piece power board all is set to main power board in using; bear the operation exchange of system jointly; (Nf1, Mf1), exchange load sharing structure as shown in Figure 6 to be called the protection of N+M exchange load sharing.In N+M exchange load sharing protection system, allow maximum M piece power board to break down simultaneously, also have N piece power board operate as normal this moment, and the system that can also guarantee reaches the exchange capacity of design, thereby realizes the switching system protection.In order to save cost, operated by rotary motion M＜N is promptly as the quantity of the redundancy backup power board exchange capacity less than system, because there are a plurality of power board probability of errors very little in the system simultaneously.
Wherein, in the embodiment of the invention with business board x as sending business board, business board y is that example describes as receiving business board.Wherein, the quantity of business board x and business board y can be different for quantity a plurality of and business board x and business board y, as shown in Figure 4.When the quantity of business board x and business board y when all being a plurality of, can the partial service plate among the business board x as sending business board, the partial service plate is as receiving business board; In like manner, also can the partial service plate among the business board y as sending business board, the partial service plate is as receiving business board.
Wherein, three grades of switching network systems detect N+M master's power board in the embodiment of the invention, can be according to preset time at interval to main power board be equipped with power board and detect, also can detect main power board at any time.
Wherein, system detects load sharing and switches trigger condition and be specially: pull out main power board, main frame issue switch order, system detects part master power board fault.When system detects above-mentioned any situation, can trigger the masterslave switchover order.Wherein, load sharing is switched trigger condition and is carried main power board sign to be switched and this main power board is switched the instruction of switching for power board fully.
302: system sends to main power board to be switched with this masterslave switchover order.
Wherein, after the order of system triggers masterslave switchover, this masterslave switchover order is sent to main power board to be switched, notify this main power board to lead with pattern and switch into standby mode.When main power board to be switched when being a plurality of, but the quantity of main power board to be switched must be less than or equal to N, then this masterslave switchover order is sent to main power board to be switched respectively, notify these main power boards to lead with pattern and switch into standby mode, wherein, the order that this masterslave switchover order is sent to main power board to be switched respectively in no particular order.
303: after main power board to be switched receives the masterslave switchover order, to lead to switch and be standby mode with pattern, and continue to receive the transmission business board and asked the business information that exchanges and be transmitted to the reception business board, send the new business information exchange requests that business board sends but abandon.
Wherein, main power board to be switched receives the masterslave switchover order, obtains the main power board that the main power board to be switched that carries in the masterslave switchover order identifies and will be to be switched and switches to being equipped with the instruction of switching of power board; And, will lead to switch and be standby mode with pattern according to switching instruction; After switching to standby mode, main power board to be switched becomes power board fully, still continue to receive send business board and before switching, asked the business information that exchanges, and the business information that receives is transmitted to the reception business board, send the new business information exchange requests that business board sends but abandon, promptly will not respond for the new business information exchange requests that sends the business board transmission.
Wherein, the chip support in the power board is optional by the active/standby mode of internal register and external terminal mode control chip, the convenient application.
304: remaining power board continues to receive the business information that sends the business board transmission and exchanges request, and the request that sends is arbitrated, and receives after arbitration is passed through and sends the business information that business board sends, and this business information is exchanged to the reception business board.
Wherein, receive business board when masterslave switchover is just finished, all can receive business information from active and standby power board, reception business board not differentiated service information comes autonomous power board still to be equipped with power board, and all business information of receiving are recombinated by rule.
The method that the embodiment of the invention provides, by the main power board quantity in three grades of switching networks, used greater than exchange capacity, and the active and standby mode switch of control power board realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduce the software work amount greatly, shortened switching time, reduced system complexity.
Embodiment 4
The embodiment of the invention provides a kind of nondestructive changeover equipment, and the power board in this nondestructive changeover equipment is supported active and standby pattern, and referring to Fig. 7, this equipment comprises:
Wherein, masterslave switchover information comprises the sign of waiting to switch power board, and the state to be switched of waiting to switch power board.
The masterslave switchover request is that system generates, rather than receive from the external world.
Wherein, receiver module 401 comprises:
First receiving element, be used for when the main power board of three grades of switching networks equates with the quantity that is equipped with power board, receive masterslave switchover information, carrying the sign of main power board and the Switch mode for the treatment of of main power board in the information is that standby mode, the sign that is equipped with power board and the Switch mode for the treatment of that is equipped with power board are the main pattern of using.
Wherein, switch module 403, comprising:
First switch unit, the pattern that is used for main power board that first receiving element is received is switched and is standby mode; And the pattern that is equipped with power board that first receiving element receives is switched is the main pattern of using.
Wherein, receiver module 401 comprises:
Second receiving element, when being used for main power board quantity when three grades of switching networks greater than exchange capacity, receive masterslave switchover information, carrying the sign of main power board and the Switch mode for the treatment of of main power board in the information is standby mode, and wherein the quantity of the main power board that carries in the information is not more than the main power board quantity in three grades of switching networks and the difference of exchange capacity.
Wherein, switch module 403, comprising:
Second switch unit is used for the pattern that waiting of receiving of second receiving element switched power board switched and is standby mode.
Wherein, receiver module 401 also comprises:
Detecting unit is used to detect nondestructive changeover equipment, when the state of nondestructive changeover equipment meets the masterslave switchover trigger condition, triggers masterslave switchover.
Wherein, the masterslave switchover trigger condition is specially: pull out main power board, main frame issues and switches order, main power board fault.
The equipment that the embodiment of the invention provides, active and standby mode switch by the control power board realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduced the software work amount greatly, shorten switching time, reduced system complexity.
Embodiment 5
A kind of switching equipment of the embodiment of the invention, this switching equipment comprises at least two power boards, referring to Fig. 8, this switching equipment comprises:
Wherein, comprise in the masterslave switchover request that generation module 502 produces and wait the Switch mode for the treatment of switching the sign of power board and wait to switch power board.
Wherein, the masterslave switchover trigger condition of generation module 502 comprises: pull out main power board, main frame issues and switches order, main power board fault.
The equipment that the embodiment of the invention provides, active and standby mode switch by the control power board realizes the harmless masterslave switchover of switching network system, when having solved the prior art masterslave switchover, need to revise all business boards and put forward request mode, reduced the software work amount greatly, shorten switching time, reduced system complexity.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) or the hard disk of router, buffer memory or CD etc.
Below only be preferred embodiment of the present invention, or not within the spirit and principles in the present invention not all in order to restriction the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a nondestructive changeover method is used for switching equipment, and described switching equipment comprises at least two power boards, it is characterized in that, described method comprises:
According to the masterslave switchover trigger condition, produce the masterslave switchover request;
According to described masterslave switchover request, with at least one bulk state in described at least two power boards is that the state of main power board with pattern changes to standby mode, is that the state of the power board of standby mode changes to the pattern of using of leading with at least one bulk state in described at least two power boards;
Receive service request, and described service request is sent to described at least two power boards;
Described at least two power boards judge whether to handle described institute service request according to described state separately, wherein, state in described at least two power boards is that the master handles described service request with the power board of pattern, and the state in described at least two power boards is that the power board of standby mode is not handled described service request.
2. nondestructive changeover method as claimed in claim 1 is characterized in that, described method also comprises: comprise sign and the described Switch mode for the treatment of of waiting to switch power board of waiting to switch power board in the described masterslave switchover request.
3. the method for claim 1 is characterized in that, described masterslave switchover trigger condition comprises: pull out main power board, main frame issues and switches order or main power board fault.
4. a nondestructive changeover equipment is characterized in that, described equipment comprises:
Receiver module is used to produce the masterslave switchover request;
Search module, be used for, search corresponding power board to be switched according to described masterslave switchover request;
Switch module, be used for the described pattern of switching power board of waiting of searching module searches is replaced by the desired pattern of described masterslave switchover information.
5. nondestructive changeover equipment according to claim 4 is characterized in that, described masterslave switchover request comprises the sign of waiting to switch power board, and the described state to be switched of waiting to switch power board.
6. nondestructive changeover equipment according to claim 4 is characterized in that described receiver module comprises detecting unit, is used to detect described nondestructive changeover equipment, when the state of described nondestructive changeover equipment meets the masterslave switchover trigger condition, triggers masterslave switchover.
7. nondestructive changeover equipment according to claim 6 is characterized in that, described masterslave switchover trigger condition comprise pull out main power board, main frame issues and switches order or main power board fault.
8. switching equipment, described switching equipment comprises at least two power boards, it is characterized in that, described equipment also comprises:
Setting module is used to described at least two power board set conditions, and described state comprises main with pattern and standby mode;
Generation module is used for according to the masterslave switchover trigger condition, produces the masterslave switchover request;
Switch module, be used for according to described masterslave switchover request, with at least one bulk state in described at least two power boards is that the state of main power board with pattern changes to standby mode, is that the state of the power board of standby mode changes to the pattern of using of leading with at least one bulk state in described at least two power boards;
Receiver module is used to receive service request, and described service request is sent to described at least two power boards;
Processing module, be used for described at least two power boards basis described state separately and judge whether to handle described institute service request, wherein, state in described at least two power boards is that the master handles described service request with the power board of pattern, and the state in described at least two power boards is that the power board of standby mode is not handled described service request.
9. nondestructive changeover equipment as claimed in claim 8 is characterized in that, comprises sign and the described Switch mode for the treatment of of waiting to switch power board of waiting to switch power board in the masterslave switchover request that described generation module produces.
10. equipment as claimed in claim 8 is characterized in that, the masterslave switchover trigger condition of described generation module comprises: pull out main power board, main frame issues and switches order or main power board fault.
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| CN 200910119714 CN101848399B (en) | 2009-03-24 | 2009-03-24 | Nondestructive changeover method, nondestructive changeover equipment and switching equipment |
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| CN 200910119714 CN101848399B (en) | 2009-03-24 | 2009-03-24 | Nondestructive changeover method, nondestructive changeover equipment and switching equipment |
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| CN101848399B CN101848399B (en) | 2013-01-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740927A (en) * | 2020-07-20 | 2020-10-02 | 湖南航天捷诚电子装备有限责任公司 | Redundant switch |
| CN113038299A (en) * | 2021-03-02 | 2021-06-25 | 深圳市信锐网科技术有限公司 | Switch, configuration method, control method and storage medium |
| CN113709069A (en) * | 2021-09-15 | 2021-11-26 | 锐捷网络股份有限公司 | Lossless switching method and device for data transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148433A (en) * | 1989-03-13 | 1992-09-15 | Square D Company | Transfer network interface |
| CN1299438C (en) * | 2002-11-02 | 2007-02-07 | 华为技术有限公司 | Method of realizing single plate main and ready change over and its circuit |
| CN100530996C (en) * | 2004-08-06 | 2009-08-19 | 华为技术有限公司 | System and method for realizing veneer active/standby changeover in communication equipment |
| CN100440799C (en) * | 2005-09-06 | 2008-12-03 | 华为技术有限公司 | Main/standby board back-up in access-in apparatus and rearranging method therefor |
| CN101075861A (en) * | 2007-06-28 | 2007-11-21 | 中兴通讯股份有限公司 | Method for realizing main spared board thermal backup and reversing main spared board |
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2009
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740927A (en) * | 2020-07-20 | 2020-10-02 | 湖南航天捷诚电子装备有限责任公司 | Redundant switch |
| CN113038299A (en) * | 2021-03-02 | 2021-06-25 | 深圳市信锐网科技术有限公司 | Switch, configuration method, control method and storage medium |
| CN113709069A (en) * | 2021-09-15 | 2021-11-26 | 锐捷网络股份有限公司 | Lossless switching method and device for data transmission |
| CN113709069B (en) * | 2021-09-15 | 2024-04-19 | 锐捷网络股份有限公司 | Lossless switching method and device for data transmission |
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| Publication number | Publication date |
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| CN101848399B (en) | 2013-01-09 |
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