CN100492297C - Control method for implementing distribution type apparatus - Google Patents
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- CN100492297C CN100492297C CNB2007101030517A CN200710103051A CN100492297C CN 100492297 C CN100492297 C CN 100492297C CN B2007101030517 A CNB2007101030517 A CN B2007101030517A CN 200710103051 A CN200710103051 A CN 200710103051A CN 100492297 C CN100492297 C CN 100492297C
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Abstract
The invention provides a control method of distribution device, used in the distribution device with a plurality of controllers with independent processing ability, comprising that each controller via topology find method obtains the topology information of the distribution device, finds the main controller and the interface controller according to the topology information of the distribution device, and when system event occurs, the main controller and the interface controller execute prior application program relative to the system event. Since the distribution device has a plurality of the controllers with independent processing ability, which can directly utilize prior application program of frame device, to confirm the expansion flexibility and integral property of the device, and reduce develop complexity.
Description
Technical field
The present invention relates to the distributed apparatus technology, particularly relate to a kind of control method that realizes distributed apparatus.
Background technology
At present, the network equipment is made up of large software and hardware usually, large software is distributed on the different hardware components, and outwards provides communication capacity by each hardware components cooperation.This network equipment also can be called distributed apparatus.
In the prior art, the network equipment can be divided into frame type equipment, pile up different distributed apparatus such as (Stack) equipment according to the membership credentials of each hardware components.
Wherein, frame type equipment has a fixing machine frame, can insert a plurality of integrated circuit boards.Each integrated circuit board all has independently processing power, can be responsible for controlling local resource and a part of communications transaction.Be not peer-to-peer between each integrated circuit board, need a master control borad that entire equipment is carried out global administration, other integrated circuit board then is called interface board, accepts the control and the management of master control borad.In order to guarantee the reliability of the network equipment, can also in a plurality of integrated circuit boards, select one or more as standby plate.When master control borad breaks down, substitute master control borad by standby plate the overall situation is managed and controls.Like this, each integrated circuit board can be divided into roles such as master control borad, standby plate, interface board in the frame type equipment, and outwards provides communication capacity by mutual cooperation.
In the practical application, the structure of frame type equipment or integrated circuit board role may change, such as: masterslave switchover, interface board insert or extract, standby plate inserts or extract etc.The structure of frame type equipment self or integrated circuit board role's variation also can be called the generation of system event, and triggers master control borad, standby plate and interface board execution corresponding application program in the frame type equipment, and is unaffected with the overall performance that guarantees frame type equipment.Certainly, if there is not standby plate in the frame type equipment, then only need master control borad and interface board to carry out corresponding application program.The execution of application program described here also can be called the response of the various characteristics of frame type equipment to system event.In the practical application, organizational form, role assignments, structural change and the changing role etc. of the inner integrated circuit board of frame type equipment all need frame type equipment self to control, and promptly realize the control of distributed apparatus.
Carry out global administration because frame type equipment adopts by master control borad, the pattern of a plurality of interface board collaborative process can guarantee the overall performance of network equipment control, and obtain to use widely.But frame type equipment has a fixing machine frame, and the number of slots of each machine frame is also fixed, all non-constant of its extendability and dirigibility.If the integrated circuit board number that the network equipment need use is more than the number of slots of machine frame, perhaps the function of certain integrated circuit board need be realized by remote equipment, and so, existing frame type equipment just can't satisfy this actual demand.
Extendability and dirigibility in order to strengthen the network equipment propose a kind of stack equipment at present.And existing stack equipment does not have fixing machine frame and groove position, is made up of any the box-shaped device with separate CPU.That is to say there is not the role of master control borad and interface board in the stack equipment, the ability of each box-shaped device equates, and adopts the mode of point-to-point (Peer to Peer) to carry out alternately.Because stack equipment is different fully with the organizational form of frame type equipment, the existing application program of frame type equipment can not be grafted directly on the stack equipment.In this case, need design special application program on based on the basis of point-to-point interactive mode for stack equipment, technology realizes very difficulty.If further expand stack equipment, promptly increase the number of box-shaped device, realize that the complexity of distributed apparatus control technology also will increase greatly, be difficult to guarantee the overall performance of stack equipment.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of control method that realizes distributed apparatus, can guarantee the dirigibility and the overall performance of distributed apparatus expansion, can also reduce the complexity of development technique.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of control method that realizes distributed apparatus, this method are suitable for comprising the individual arbitrarily distributed apparatus with control module of independent processing ability, and this method is:
Each control module obtains the topology information of distributed apparatus in A, the distributed apparatus by topology discovery method, and according to the topology information of distributed apparatus and the control module role selection strategy that sets in advance, from each control module, determine main control unit and non-main control unit, wherein, described non-main control unit comprises interface control unit and standby control module, perhaps comprises interface control unit;
B, when the generation systems incident, main control unit is carried out existing and system event corresponding application program, perhaps main control unit and interface control unit are carried out existing and system event corresponding application program.
In the such scheme, the method for the topology information of each control module acquisition distributed apparatus is in the described distributed apparatus of steps A:
Each control module sends to other each control module with characteristic information of self and the annexation between self and the neighbours, and receive other each control module characteristic information and and neighbours between annexation; Each control module obtains the topology information of distributed apparatus according to the annexation between the characteristic information of all control modules in the distributed apparatus self, self and the neighbours.
In the such scheme, set in advance control module role selection strategy, if non-main control unit is an interface control unit, described topology information and control module role selection strategy of steps A then according to distributed apparatus, determine that from each control module the method for main control unit and interface control unit is:
Judge successively according to the topology information of distributed apparatus whether each control module mates with described control module role selection strategy corresponding control unit, if coupling, then as main control unit; Otherwise, as interface control unit.
In the such scheme, described control module role selection strategy comprises software version number and hardware capabilities information, the characteristic information of described control module comprises software capability information and hardware capabilities information, describedly judges that whether each control module in the distributed apparatus with the method for control module role selection strategy corresponding control unit coupling is:
With the software capability information of each control module in the distributed apparatus and hardware capabilities information respectively with control module role selection strategy in software capability information and hardware capabilities information compare, if the software capability of control module is more than or equal to the software capability in the control module role selection strategy, hardware capabilities is more than or equal to the hardware capabilities in the control module role selection strategy, and then control module in the distributed apparatus and control module role selection strategy corresponding control unit are mated; Otherwise, do not match.
In the such scheme, if a plurality of control modules and control module role selection strategy corresponding control unit coupling are arranged in the distributed apparatus, this method further comprises:
Select one arbitrarily as main control unit from the control module of coupling, the control module of other coupling is as stand-by equipment.
In the such scheme, between described acquisition topology information of steps A and the step B, this method further comprises:
Each control module is set up the logical channel of information transmission in the distributed apparatus according to the topology information of distributed apparatus.
In the such scheme, the topology information of described distributed apparatus comprises the device address of each control module and corresponding ID number, and the described method of setting up the logical channel of information transmission is:
Each control module is set up the address mapping table of corresponding relation between indication equipment address and ID number, and the device address of each control module in the topology information of distributed apparatus and corresponding ID number are inserted in the described address mapping table.
In the such scheme, the device address of described control module is the media access control MAC address.
In sum, the present invention proposes a kind of control method that realizes distributed apparatus, distributed apparatus has the individual arbitrarily control module that possesses independent processing ability, can obtain the topology information of distributed apparatus by topology discovery method, from each control module, determine main control unit and non-main control unit, and when the generation systems incident, directly utilize the existing application program of frame type equipment.Like this, both overcome the shortcoming that existing frame type equipment is expanded ineffective activity, overcome the shortcoming of existing stack equipment technological development complexity again, thereby can guarantee the dirigibility of device extension, the overall performance of equipment, and significantly reduced developer's workload.
Description of drawings
Fig. 1 is the present invention program's a process flow diagram;
Fig. 2 is a process flow diagram of using the present invention program's embodiment.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 is the process flow diagram that the present invention realizes the control method of distributed apparatus.As shown in Figure 1, this method comprises:
Step 101: each control module obtains the topology information of distributed apparatus by topology discovery method in the distributed apparatus, and determines main control unit and non-main control unit according to the topology information of distributed apparatus from each control module.
Distributed apparatus of the present invention can comprise a control module with independent processing ability arbitrarily, and each control module has the central control processor (CPU) of self, can be responsible for the control and the part communications transaction of local resource independently.In this case, each control module can not be determined the membership credentials between the integrated circuit board in frame type equipment can be fixed on the groove position of machine frame, so need utilize this step to determine membership credentials between each control module.
In this step, each control module obtain by topology discovery method distributed apparatus topology information method can for:
Each control module sends to other each control module with characteristic information of self and the annexation between self and the neighbours, and receives the characteristic information of other each control module and other each control module and the annexation between the neighbours separately; Each control module obtains the topology information of distributed apparatus according to the annexation between characteristic information, all control modules and the neighbours of all control modules in the distributed apparatus.
The characteristic information of control module described here can comprise: ID number, device address, software capability information, hardware capabilities information etc.Wherein, ID number is the numbering of control module in distributed apparatus; The device address can be medium Access Control (MAC) address; Software capability information can be the version number of control module self-operating software; Hardware capabilities information can be the CPU speed of control module, memory size etc.Certainly, in the practical application, the characteristic information of control module also can comprise out of Memory, is determined voluntarily by the user who uses the present invention program, enumerates no longer one by one herein.
For the membership credentials between each control module in the clear and definite distributed apparatus, also need to obtain the annexation between each control module and its neighbours.Like this, according to the annexation between each control module and the neighbours, just can determine the topological relation between each control module.Suppose that control module 1, control module 2, control module 3 with the annexation between the neighbours separately are: control module 1 links to each other with control module 2, and control module 2 links to each other with control module 3 with control module 1 respectively, and control module 3 links to each other with control module 2.So, according to control module 1, control module 2, control module 3 and the annexation between the neighbours separately, just can determine that control module 1, control module 2 and control module 3 are for connected in series.How to determine specifically that as for distributed apparatus the topological relation between each control module can repeat no more referring to existing topology discovery method herein.
Owing to do not have peer-to-peer between each control module, also need after the topology information that obtains distributed apparatus, determine the role of each control module, determine that promptly which control module is a main control unit, which control module is non-main control unit.In the practical application, non-main control unit can be interface control unit and/or standby control module (being standby main control unit generally speaking).That is to say, can comprise main control unit, standby control module and interface control unit in the distributed apparatus, also can only comprise main control unit and interface control unit.
In the practical application, if non-main control unit is an interface control unit, from each control module, determine main control unit and interface control unit method can for: according to the topology information of distributed apparatus judge successively each control module whether with the control module role selection strategy corresponding control unit coupling that sets in advance, if coupling is then as main control unit; Otherwise, as interface control unit.
Here, in fact described control module role selection strategy is provided with a minimum standard of selecting main control unit, and the control module that only meets this standard could be as main control unit, otherwise can only be as interface control unit.In the practical application, if control module role selection strategy comprises software capability information and hardware capabilities information, the characteristic information of control module also comprises software capability information and hardware capabilities information, so, judge each control module whether with the method for control module role selection strategy corresponding control unit coupling can for:
With the software capability information of each control module in the distributed apparatus and hardware capabilities information respectively with control module role selection strategy in software capability information and hardware capabilities information compare, if the software capability of control module is more than or equal to the software capability in the control module role selection strategy, hardware capabilities is more than or equal to the hardware capabilities in the control module role selection strategy, and then control module in the distributed apparatus and control module role selection strategy corresponding control unit are mated; Otherwise, do not match.
Here, control module role selection strategy comprises software capability information and hardware capabilities information, and in the practical application, control module role selection strategy also can comprise other factors, is determined voluntarily by the user who uses the present invention program, repeats no more herein.
If a plurality of control modules and control module role selection strategy corresponding control unit coupling is arranged in the distributed apparatus, can also select one as main control unit from the control module of coupling according to the main control unit selection strategy that sets in advance, the control module of other coupling is as standby control module.
Here, described main control unit selection strategy also can be determined voluntarily by the user who uses the present invention program.Such as: main control unit selection strategy with software capability and hardware capabilities as the factor of selecting main control unit, can from the control module of coupling, select a software capability and hardware capabilities the highest as main control unit.Certainly, if might be all identical as the ability of the control module of main control unit, then select one arbitrarily and get final product.
Again such as: for reasons such as plant maintenance are convenient, managerial personnel may wish that the main control unit of selecting is arranged in the distributed apparatus edge, can also increase the factor of positional information as the selection main control unit in the main control unit selection strategy.In this case, just can from the control module of coupling, select a software capability, hardware capabilities is the highest, and the control module that is in the distributed apparatus edge is as main control unit.
For another example: certain new control module inserts distributed apparatus, may cause that all control modules redefine the role.In order to guarantee that distributed apparatus outwards provides communication service continual and steady, need avoid each control module role's change as far as possible.In this case, can also the role is historical as the factor of selecting main control unit, described role's history is control module the last time role's in distributed apparatus historical record.Suppose that the main control unit selection strategy is historical as the factor of selecting main control unit with software capability, hardware capabilities and role, just can from the coupling control module select a software capability, hardware capabilities is the highest, and role's history is the control module of main control unit, and the control module of selecting is continued as main control unit.
Certainly, the main control unit selection strategy can also be determined voluntarily according to actual conditions according to the user who uses the present invention program, enumerate no longer one by one herein.
In addition, may be mutual between each control module of distributed apparatus with carrying out.For convenient alternately, when each control module of this step obtains topology information, can further include:
Each control module is set up the logical channel of information transmission in the distributed apparatus according to the topology information of distributed apparatus.Like this, mutual if each control module needs, just can be according to the logical channel transmission information of setting up.
Step 102: when the generation systems incident, main control unit is carried out existing and system event corresponding application program, and perhaps main control unit and non-main control unit are carried out existing and system event corresponding application program.
After each control module is determined the role, if the generation systems incident just can be handled according to the method for disposal system incident in the frame type equipment.Such as: distributed apparatus comprises main control unit, interface control unit and standby control module.System event can for: in distributed apparatus, increase standby control module; In distributed apparatus, increase interface control unit; Reduce the standby control module in the distributed apparatus; Reduce the interface control unit in the distributed apparatus; Main control unit breaks down, and selects the main control unit that conduct is new from standby control module.
The standby plate of said system incident in can corresponding respectively frame type equipment inserts, interface board inserts, standby plate is extracted, interface board is extracted and masterslave switchover.So when the generation systems incident, each control module among the present invention can be carried out and the system event corresponding application program, the application program of execution is identical with application program in the frame type equipment, repeats no more herein.
Certainly, in this step, should carry out existing and system event corresponding application program by main control unit, it is relevant with concrete system event still to carry out existing and system event corresponding application program by main control unit and non-main control unit.That is to say, if distributed apparatus comprises main control unit, interface control unit and standby control module, when the generation systems incident, may carry out corresponding application program by main control unit, perhaps carry out corresponding application program by main control unit and standby control module, perhaps main control unit and interface unit are carried out corresponding application program, perhaps carry out corresponding application program by main control unit, interface control unit and standby control module, and its situation is relevant with concrete system event.Such as: system event is a masterslave switchover, then can carry out corresponding application program by main control unit and standby control module.Implementation status when taking place as for other system event is enumerated herein no longer one by one.
The present invention program be described in detail below with preferred embodiment in order to illustrate better.
In the present embodiment, suppose the control module that has 5 to have independent processing ability in the distributed apparatus to be respectively X1～X5; The characteristic information of control module comprises: ID number, MAC Address, software capability information, hardware capabilities information.In the present embodiment, suppose the ability of control module X1, but can mate, and control module X3～X5 and master control selection strategy corresponding control unit do not match with control module role selection strategy corresponding control unit greater than X2.In addition, in the present embodiment, suppose the main control unit selection strategy with software capability and hardware capabilities as the factor of selecting main control unit.
Fig. 2 is the process flow diagram of present embodiment.As shown in Figure 2, present embodiment realizes that the control method of distributed apparatus comprises:
Step 201: each control module sends to other each control module with characteristic information of self and the annexation between self and the neighbours, and receives the characteristic information of other each control module and other each control module and the annexation between the neighbours separately; Each control module according to the characteristic information of all control modules in the distributed apparatus, all control modules and separately the annexation between the neighbours obtain the topology information of distributed apparatus.
In this step, each control module can send to other each control module with characteristic information of self and the annexation between self and the neighbours by the mode of broadcasting, like this, each control module can receive the characteristic information of other all control modules, and other all control modules and the annexation between the neighbours separately.Each control module also can be earlier sends to separately neighbours with the annexation between the characteristic information of self and self and the neighbours, the rest may be inferred continue to send by neighbours again, all obtains the characteristic information and and the annexation between the neighbours separately of other control module up to each control module.Such as: control module X1～X3 is connected in series, and control module X1 can be earlier sends to control module X2 with the characteristic information of self and with neighbours' annexation; Control module X2 sends to control module X3 with the annexation between the characteristic information of self, characteristic information, control module X1 and the neighbours of annexation, control module X1 between self and the neighbours again.Like this, control module X2 and X3 have obtained the characteristic information of control module X1 and the annexation between X1 and the neighbours.Certainly, control module X2 and X3 also can be according to the method described above send to other control module with the characteristic information of self and with neighbours' annexation.
Step 202: with the software capability information of control module X1～X5 and hardware capabilities information respectively with the control module role selection strategy that sets in advance in software capability information and hardware capabilities information compare, if the software capability of control module is more than or equal to the software capability in the control module role selection strategy, hardware capabilities is more than or equal to the hardware capabilities in the control module role selection strategy, then as main control unit; Otherwise, as interface control unit.
In the present embodiment and since hypothesis control module X1 and X2 can with master control selection strategy corresponding control unit coupling, carries out and can determine that control module X1 and X2 can be as main control units after this step, and control module X3～X4 is as interface control unit.
Step 203: select one as main control unit from control module X1 and X2 according to the main control unit selection strategy, another one is as standby control module.
After carrying out this step, owing to after control module X1 greater than the ability of control module X2, carries out this step, will select control module X1 as main control unit, control module X2 is as standby control module.At this moment, determined various roles in the distributed apparatus, promptly control module X1 is a main control unit, is equivalent to the master control borad of frame type equipment; Control module X2 is standby control module, is equivalent to the standby plate of frame type equipment; Control module X3～control module X5 is an interface control unit, is equivalent to the interface board of frame type equipment.
Step 204: control module X1～X5 sets up the address mapping table of corresponding relation between indication equipment address and ID number respectively, and described address mapping table is inserted in the device address of each control module and corresponding ID number.
In this step, each control module can be set up address mapping table, is example with X1, the map addresses tableau format as shown in Table 1:
| Control module ID number | The control module device address |
| 02 | MAC2 |
| 03 | MAC3 |
| 04 | MAC4 |
| 05 | MAC5 |
Table one
After setting up address mapping table, each control module of distributed apparatus has just been set up logical channel.After this, when control module X1 need carry out alternately with other control module, such as when the generation systems incident need be carried out corresponding application program, just can be with self as the source control module, as the purpose control module, and utilize table one to give the purpose control module the other side with information transmission.Certainly, in the practical application, if do not carry out between the control module alternately, perhaps control module is directly mutual with mode and other control module of broadcasting, just need not to set up logical channel, promptly omits this step.
Step 205: when the generation systems incident, each control module of distributed apparatus is carried out existing and system event corresponding application program.
In this step,, can directly utilize the application program in the frame type equipment at system event because each control module has determined to be equivalent to the various roles of frame type equipment.How to carry out as for concrete application program, then belong to prior art, repeat no more herein.
The step 201 of present embodiment～step 204 is carried out when forming distributed apparatus first, if but generation systems incident.Be that variation has taken place for the structure of distributed apparatus or the role of control module, also can re-execute step 201～step 204, repeat no more herein.
Use the present invention program, because distributed apparatus has the individual arbitrarily control module that possesses independent processing ability, and can determine directly to utilize the existing application program of frame type equipment behind the role separately, so, in realizing the distributed apparatus control procedure, both can guarantee the dirigibility of device extension, the overall performance of maintenance distributed apparatus, can also reduce the complexity of technological development greatly, reduce developer's workload.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise some instructions with so that the computer equipment of a broad sense (as personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, a kind of control method that realizes distributed apparatus is characterized in that, this method is suitable for comprising the individual arbitrarily distributed apparatus with control module of independent processing ability, and this method is:
Each control module obtains the topology information of distributed apparatus in A, the distributed apparatus by topology discovery method, and according to the topology information of distributed apparatus and the control module role selection strategy that sets in advance, from each control module, determine main control unit and non-main control unit, wherein, described non-main control unit comprises interface control unit and standby control module, perhaps comprises interface control unit;
B, when the generation systems incident, main control unit is carried out existing and system event corresponding application program, perhaps main control unit and non-main control unit are carried out existing and system event corresponding application program.
2, method according to claim 1 is characterized in that, the method for the topology information of each control module acquisition distributed apparatus is in the described distributed apparatus of steps A:
Each control module sends to other each control module with characteristic information of self and the annexation between self and the neighbours, and receives the characteristic information of other each control module and other each control module and the annexation between the neighbours separately; Each control module according to the characteristic information of all control modules in the distributed apparatus, all control modules and separately the annexation between the neighbours obtain the topology information of distributed apparatus.
3, method according to claim 1, it is characterized in that, if non-main control unit is an interface control unit, described topology information and control module role selection strategy of steps A then according to distributed apparatus, determine that from each control module the method for main control unit and interface control unit is:
Judge successively according to the topology information of distributed apparatus whether each control module mates with described control module role selection strategy corresponding control unit, if coupling, then as main control unit; Otherwise, as interface control unit.
4, method according to claim 3, it is characterized in that, described control module role selection strategy comprises software capability information and hardware capabilities information, the characteristic information of described control module comprises software capability information and hardware capabilities information, describedly judges that whether each control module in the distributed apparatus with the method for control module role selection strategy corresponding control unit coupling is:
With the software capability information of each control module in the distributed apparatus and hardware capabilities information respectively with control module role selection strategy in software capability information and hardware capabilities information compare, if the software capability of control module is more than or equal to the software capability in the control module role selection strategy, hardware capabilities is more than or equal to the hardware capabilities in the control module role selection strategy, and then control module in the distributed apparatus and control module role selection strategy corresponding control unit are mated; Otherwise, do not match.
5, method according to claim 4 is characterized in that, if a plurality of control modules and control module role selection strategy corresponding control unit coupling are arranged in the distributed apparatus, this method further comprises:
Select one as main control unit from the control module of coupling according to the main control unit selection strategy that sets in advance, the control module of other coupling is as standby control module.
According to the described method of the arbitrary claim of claim 1 to 5, it is characterized in that 6, between described acquisition topology information of steps A and the step B, this method further comprises:
Each control module is set up the logical channel of information transmission in the distributed apparatus according to the topology information of distributed apparatus.
7, method according to claim 6 is characterized in that, the topology information of described distributed apparatus comprises the device address of each control module and corresponding ID number, and the described method of setting up the logical channel of information transmission is:
Each control module is set up the address mapping table of indication equipment address and ID corresponding relation, and described address mapping table is inserted in the device address of each control module in the topology information of distributed apparatus and corresponding ID number.
8, method according to claim 7 is characterized in that, the device address of described control module is the media access control MAC address.
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| CN101656757B (en) * | 2009-09-24 | 2012-10-10 | 杭州华三通信技术有限公司 | Method and system for controlling and processing services |
| CN104238471A (en) * | 2013-06-17 | 2014-12-24 | 苏州新华软智能装备有限公司 | Distributed energy storage control system |
| US10608992B2 (en) * | 2016-02-26 | 2020-03-31 | Microsoft Technology Licensing, Llc | Hybrid hardware-software distributed threat analysis |
| CN107547257B (en) * | 2017-07-14 | 2021-08-24 | 新华三技术有限公司 | Server cluster implementation method and device |
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