CN101848399B - 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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- CN101848399B CN101848399B CN 200910119714 CN200910119714A CN101848399B CN 101848399 B CN101848399 B CN 101848399B CN 200910119714 CN200910119714 CN 200910119714 CN 200910119714 A CN200910119714 A CN 200910119714A CN 101848399 B CN101848399 B CN 101848399B
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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.Three grades of architecture for exchanging of fixed length cell, three grades of switching network configuration diagram are as shown in Figure 1 adopted in existing large volume AC draping.Wherein, the first order and the third level are SM (Switching Memory, cache exchanging) chips, finish 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 mutually intercommunication 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 rear 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 that forms in three grades of switching networks.SM cache exchanging chip, the corresponding power board that forms 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, make redundancy protecting so need to increase standby power board, strengthen the reliability of system.
Main power board is finished all operation exchange of whole switching network system, and standby power board is in Status of Backups always, does not bear operation exchange.When main power board breaks down, can be by switching to the operation exchange that main power board is born system for power board, main power board originally switches to standby power board, realizes the fast quick-recovery of the system failure, realizes the power board protection.
When active and standby power board all can work, 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, namely 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 standby power board, stop to submit to ask to original main power board.All are professional just by original standby power board exchange like this, and standby power board becomes new main power board.Main power board originally then is initially located in Status of Backups, does not bear professional exchange, becomes new standby power board, 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 all business boards of modification to submit the mode of asking to, the software work amount is large, 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, wherein, described masterslave switchover request comprises the sign of power board to be switched;
According to described masterslave switchover request, being that the state of the power board of primary pattern changes to standby mode with at least one bulk state in described at least two power boards, is that the state of the power board of standby mode changes to primary pattern 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 process described service request according to described state separately, wherein, state in described at least two power boards is that the power board of primary pattern is processed described service request, state in described at least two power boards is that the power board of standby mode is not processed described service request but continue to receive sent business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
Correspondingly, the embodiment of the invention provides a kind of nondestructive changeover equipment, and described equipment comprises:
Receiver module is used for according to the masterslave switchover trigger condition, produces the masterslave switchover request, and wherein, described masterslave switchover request comprises the sign of power board to be switched;
Search module, be used for according to described masterslave switchover request, search corresponding power board to be switched;
Switch module, be used for according to described masterslave switchover request, the state of the main power board in the power board described to be switched is changed to standby mode, the state of the standby power board in the power board described to be switched is changed to primary pattern, the request so that power board basis described to be switched state separately judges whether to manage business, wherein, the power board that described state after changing in switching power board is primary pattern is processed described service request, the power board that described state after changing in switching power board is standby mode is not processed described service request but is continued to receive and sends business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
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 primary pattern and standby mode;
Generation module is used for according to the masterslave switchover trigger condition, produces the masterslave switchover request, and wherein, described masterslave switchover request comprises the sign of power board to be switched;
Switch module, be used for according to described masterslave switchover request, being that the state of the power board of primary pattern changes to standby mode with at least one bulk state in described at least two power boards, is that the state of the power board of standby mode changes to primary pattern with at least one bulk state in described at least two power boards;
Receiver module is used for receiving 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 process described service request, wherein, state in described at least two power boards is that the power board of primary pattern is processed described service request, state in described at least two power boards is that the power board of standby mode is not processed described service request but continue to receive sent business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
The method and apparatus that the embodiment of the invention provides, active-standby mode by the control power board switches the harmless masterslave switchover of realization switching network system, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduced the software work amount, 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, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 obtains 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, and referring to Fig. 2, the method comprises:
101: be at least two power board set conditions, state comprises primary pattern and standby mode;
102: according to the masterslave switchover trigger condition, produce the masterslave switchover request;
Wherein, the masterslave switchover request is that system generates, rather than receive from the external world.
103: according to the masterslave switchover request, being that the state of the power board of primary pattern changes to standby mode with at least one bulk state at least two power boards, is that the state of the power board of standby mode changes to primary pattern 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 the power board request of managing business of primary pattern, and the state at least two power boards is that the power board of standby mode is not processed service request.
Wherein, method also comprises: the Switch mode for the treatment of that comprises the sign of power board to be switched and power board to be switched in the masterslave switchover request.
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-standby mode by the control power board switches the harmless masterslave switchover of realization switching network system, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduced the software work amount, 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-standby mode in three grades of switching networks providing of the embodiment of the invention, for convenience of explanation, there are in three grades of switching networks a main power board and standby power board the method that the embodiment of the invention provides to be described as example, 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, a main power board and a standby power board are arranged 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 to power board, exchanges to business board y as third level network with business information by rear informing business plate x transmission information.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 as the first order network in three grades of switching networks, send business information again as sending business board by power board to business board x, 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 detect main power board and standby power board, can detect main power board and standby power board according to the predetermined time interval, also can detect main power board and standby power board at any time.Before carrying out masterslave switchover, at first to guarantee the normal operation of standby power board, so also comprise the detection whether standby power board is worked in the process of detection.
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 is carried the sign of current main power board and is switched current main power board for the sign of switching instruction, current standby power board of standby power board and will currently to switch for power board be the instruction of switching of main power board.
202: system sends to respectively current main power board and current standby power board with this masterslave switchover order.
Wherein, after the order of system triggers masterslave switchover, this masterslave switchover order is sent to respectively current main power board and current standby power board, notify current main power board that primary pattern is switched into standby mode, notify current standby power board that standby mode is switched into primary pattern.Wherein, system sends the masterslave switchover order to the order of current main power board and current standby power board in no particular order.
203: after current main power board receives the masterslave switchover order, primary pattern switched be standby mode, 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, the order of current main power board reception masterslave switchover, obtaining the sign of the current main power board that carries in the masterslave switchover order and current main power board is switched is the instruction of switching of standby power board; And according to switching instruction, primary pattern switched be standby mode; After switching as standby mode, current main power board becomes new standby power board, 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, namely 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 current standby power board receives the masterslave switchover order, standby mode switched be primary pattern, receive the business information exchange request that business board sends that sends, the request that sends is arbitrated, arbitration sends the business information that business board sends by rear reception, and this business information is exchanged to the reception business board.
Wherein, current standby power board receives the masterslave switchover order, and obtaining the sign of the current standby power board that carries in the masterslave switchover order and current standby power board is switched is the instruction of switching of main power board; And according to switching instruction, standby mode switched be primary pattern; After switching as primary pattern, current standby power board 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 sends the business information that business board sends by rear reception, and this business information is exchanged to the reception business board.
Wherein, above-mentioned steps 203 and step 204 can exchange sequences, and namely first execution in step 204 execution in step 203 more is not restricted this embodiment of the invention.Receive business board when masterslave switchover is just finished, all can receive business information from active and standby power board, receive the business board not next autonomous power board of differentiated service information or standby power board, all business information of receiving are recombinated by rule.
The embodiment of the invention has in three grades of switching networks a main power board and standby power board to describe as example in the above-mentioned steps, method provided by the invention also is applicable to have in three grades of switching networks the quantity of polylith master power board and the standby power board of polylith and main power board and the equal situation of quantity of standby power board, namely the ratio of main power board and standby power board is the situation of 1:1, its masterslave switchover processing procedure, the pattern of all main power boards switched be standby mode, the pattern of all standby power boards switched be primary pattern, similar with above-mentioned steps, repeat no more.
The method that the embodiment of the invention provides, in the situation that active and standby power board quantity equates to switch the harmless masterslave switchover of realization switching network system by the active-standby mode of control power board, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduced the software work amount, 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-standby mode in three grades of switching networks providing of the embodiment of the invention, the embodiment of the invention have in three grades of switching networks N+M piece power board as main power board as example, 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 on this basis M piece power board as redundancy backup; N+M piece power board all is set to main power board in using; the operation exchange of shared system; be called N+M exchange load sharing protection (Nf1, Mf1), exchange load sharing structure as shown in Figure 6.In N+M exchange load sharing protection system, allow maximum M piece power board to break down simultaneously, also have the normal operation of N piece power board this moment, 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 namely as the quantity of the redundancy backup power board exchange capacity less than system, because the probability that has simultaneously a plurality of power boards to make mistakes in the system is very little.
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 detect main power board and standby power board according to the predetermined time interval, 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, to switch that trigger condition carries main power board sign to be switched and will this main power board switch be the instruction of switching for power board to load sharing.
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 that primary pattern is switched 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 respectively main power board to be switched, notify these main power boards that primary pattern is switched into standby mode, wherein, the order that this masterslave switchover order is sent to respectively main power board to be switched in no particular order.
303: after the main power board of switching receives the masterslave switchover order, primary pattern switched be standby mode, 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, and obtaining that the main power board sign to be switched of carrying in the masterslave switchover order and main power board that will be to be switched switch is the instruction of switching of standby power board; And according to switching instruction, primary pattern switched be standby mode; After switching as standby mode, main power board to be switched becomes standby power board, 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, namely 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 exchange request that the transmission business board sends, and the request that sends is arbitrated, and arbitrates by rear reception 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, receive the business board not next autonomous power board of differentiated service information or standby power board, 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-standby mode of control power board switches the harmless masterslave switchover of realization switching network system, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduce the software work amount, 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-standby mode, and referring to Fig. 7, this equipment comprises:
Wherein, masterslave switchover information comprises the sign of power board to be switched, and the state to be switched of power board to be switched.
The masterslave switchover request is that system generates, rather than receive from the external world.
Wherein, receiver module 401 comprises:
The first receiving element, be used for quantity when the main power board of three grades of switching networks and standby power board when equal, 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 the sign of standby mode, standby power board and the Switch mode for the treatment of of standby power board are primary pattern.
Wherein, switch module 403, comprising:
The first switch unit, the pattern that is used for main power board that the first receiving element is received is switched and is standby mode; And the pattern of the standby power board that the first receiving element is received is switched and is primary pattern.
Wherein, receiver module 401 comprises:
The 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 the quantity of the main power board that wherein carries in the information is not more than main power board quantity in three grades of switching networks and the difference of exchange capacity.
Wherein, switch module 403, comprising:
The second switch unit, the pattern that is used for power board to be switched that the second receiving element is received is switched and is standby mode.
Wherein, receiver module 401 also comprises:
Detecting unit for detection of 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-standby mode by the control power board switches the harmless masterslave switchover of realization switching network system, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduced the software work amount, 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, the Switch mode for the treatment of that comprises the sign of power board to be switched and power board to be switched in the masterslave switchover request that generation module 502 produces.
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-standby mode by the control power board switches the harmless masterslave switchover of realization switching network system, when having solved the prior art masterslave switchover, need all business boards of modification to submit the mode of asking to, greatly reduced the software work amount, 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 above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be hard disk, buffer memory or the CD etc. of magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) or router.
Below only be preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, 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, wherein, described masterslave switchover request comprises the sign of power board to be switched;
According to described masterslave switchover request, being that the state of the power board of primary pattern changes to standby mode with at least one bulk state in described at least two power boards, is that the state of the power board of standby mode changes to primary pattern 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 process described service request according to described state separately, wherein, state in described at least two power boards is that the power board of primary pattern is processed described service request, state in described at least two power boards is that the power board of standby mode is not processed described service request but continue to receive sent business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
2. nondestructive changeover method as claimed in claim 1 is characterized in that, described method also comprises: the Switch mode for the treatment of that also comprises power board described to be switched in the described masterslave switchover request.
3. nondestructive changeover method as claimed in 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 for according to the masterslave switchover trigger condition, produces the masterslave switchover request, and wherein, described masterslave switchover request comprises the sign of power board to be switched;
Search module, be used for according to described masterslave switchover request, search corresponding power board to be switched;
Switch module, be used for according to described masterslave switchover request, the state of the main power board in the power board described to be switched is changed to standby mode, the state of the standby power board in the power board described to be switched is changed to primary pattern, the request so that power board basis described to be switched state separately judges whether to manage business, wherein, the power board that described state after changing in switching power board is primary pattern is processed described service request, the power board that described state after changing in switching power board is standby mode is not processed described service request but is continued to receive and sends business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
5. nondestructive changeover equipment according to claim 4 is characterized in that, described masterslave switchover request also comprises the Switch mode for the treatment of of power board described to be switched.
6. nondestructive changeover equipment according to claim 4 is characterized in that, described receiver module comprises detecting unit, for detection of 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 primary pattern and standby mode;
Generation module is used for according to the masterslave switchover trigger condition, produces the masterslave switchover request, and wherein, described masterslave switchover request comprises the sign of power board to be switched;
Switch module, be used for according to described masterslave switchover request, being that the state of the power board of primary pattern changes to standby mode with at least one bulk state in described at least two power boards, is that the state of the power board of standby mode changes to primary pattern with at least one bulk state in described at least two power boards;
Receiver module is used for receiving 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 process described service request, wherein, state in described at least two power boards is that the power board of primary pattern is processed described service request, state in described at least two power boards is that the power board of standby mode is not processed described service request but continue to receive sent business board asked the business information that exchanges before switching, and the business information that receives is transmitted to the reception business board.
9. switching equipment as claimed in claim 8 is characterized in that, also comprises the Switch mode for the treatment of of power board described to be switched in the masterslave switchover request that described generation module produces.
10. switching 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910119714 CN101848399B (en) | 2009-03-24 | 2009-03-24 | Nondestructive changeover method, nondestructive changeover equipment and switching equipment |
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| 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 |
| 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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| CN1852144A (en) * | 2005-09-06 | 2006-10-25 | 华为技术有限公司 | Main/standby board back-up in access-in apparatus and rearranging method therefor |
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| US5148433A (en) * | 1989-03-13 | 1992-09-15 | Square D Company | Transfer network interface |
| CN1494228A (en) * | 2002-11-02 | 2004-05-05 | 华为技术有限公司 | Method of realizing single plate main and ready change over and its circuit |
| CN1731696A (en) * | 2004-08-06 | 2006-02-08 | 华为技术有限公司 | System and method for realizing veneer active/standby changeover in communication equipment |
| CN1852144A (en) * | 2005-09-06 | 2006-10-25 | 华为技术有限公司 | Main/standby board back-up in access-in apparatus and rearranging method therefor |
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