CN111858166B - Error-correcting quick mimicry judging method, judging device, system and medium - Google Patents
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides an error-correction quick mimicry judging method, a judging device, a system and a medium, wherein the method comprises the following steps: triggering a selection output module when receiving first data to be arbitrated; the selection output module acquires the first data to be arbitrated and outputs the first data to be arbitrated as an arbitrated result; the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module; the rollback operation module generates a rollback operation request and performs rollback operation on the arbitration result output by the selection output module. The invention greatly improves the efficiency of the arbiter and shortens the response time of the mimicry construction equipment to external service by means of 'first-in first-out, latter item verification and timely rollback'.
Description
Technical Field
The invention relates to the technical field of mimicry defense, in particular to a method, a resolver, a system and a medium for quickly mimicry resolution capable of correcting errors.
Background
The mimicry defense technology is characterized by a dynamic heterogeneous redundancy (DHR: dynamical Heterogeneous Redundant) architecture, heterogeneous executors in the DHR architecture receive external input data and send processing results to a arbiter for decision.
At present, a consistency judging method is adopted by a resolver, and the consistency judging often needs to wait for the output results of all online heterogeneous executors and then judge; because of the difference among heterogeneous execution bodies, the output result of each heterogeneous execution body has time uncertainty, so that a resolver needs to spend more time to conduct a straight-forward decision, and the low resolving efficiency causes the technical problem of slow response speed of the service function of the mimicry construction equipment. In this context, improving the arbitration efficiency of an arbiter is of great importance for enhancing the usability of the pseudo construction equipment.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a quick simulation judging method, a judging device, a system and a medium capable of correcting errors.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the first aspect of the present invention provides an error-correcting quick mimetic arbitration method, which includes the following steps:
triggering a selection output module when receiving first data to be arbitrated;
the selection output module acquires the first data to be arbitrated and outputs the first data to be arbitrated as an arbitrated result;
the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
the rollback operation module generates a rollback operation request and performs rollback operation on the arbitration result output by the selection output module.
A second aspect of the present invention provides an error-correctable fast simulator-arbiter comprising:
the first judging module is used for triggering the selection output module when receiving the first data to be judged;
the selection output module is used for acquiring the first data to be arbitrated and outputting the first data to be arbitrated as an arbitrated result;
the data judging module is used for acquiring all data to be judged and verifying the judging result output by the selection output module based on a preset judging rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
and the rollback operation module is used for generating a rollback operation request and performing rollback operation on the arbitration result output by the selection output module.
A third aspect of the present invention provides a mimicry defense system, including an input agent, a heterogeneous executable, a resolver, a feedback controller, and an output agent, wherein the resolver is the error-correctable fast mimicry resolver described above.
A fourth aspect of the invention provides a readable storage medium having instructions stored thereon which when executed by a processor implement the steps of the error-correcting fast simulator arbitration method described above.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and concretely comprises the following steps:
the invention provides a quick simulation judging method capable of correcting errors, a judging device, a system and a medium, wherein first data to be judged is output as a judging result through a selecting output module, and the judging result output by the selecting output module is verified by adopting a data judging module based on all the judging data; by means of first-in first-out, later-term verification and timely rollback, judging efficiency is greatly improved, response time of the mimicry construction equipment to external service is shortened, and usability and practicability of the mimicry construction equipment are greatly improved.
Drawings
FIG. 1 is a timing diagram of the error-correction-capable fast simulator arbitration method of the present invention.
FIG. 2 is a schematic diagram of the architecture of the error-correcting fast simulator of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail through the following specific embodiments.
Example 1
An error-correctable fast mimicry arbitration method, the error-correctable fast mimicry arbitration method comprising the steps of: triggering a selection output module when receiving first data to be arbitrated; the selection output module acquires the first data to be arbitrated and outputs the first data to be arbitrated as an arbitrated result;
the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module; the rollback operation module generates a rollback operation request and performs rollback operation on the arbitration result output by the selection output module.
It should be noted that, the first received pending data is used as the first pending data, and the first pending data is output to the back-end hardware device by the selection output module for corresponding configuration; the selection output module does not correct the output arbitration result. The back-end hardware device executes corresponding operation according to the first data to be judged, so that the response efficiency of the hardware device is improved, and the instantaneity of the mimicry construction device is greatly improved; the error-correcting quick mimicry arbitration method greatly advances the arbitration result output time and shortens the arbitration response time.
It can be understood that the data arbitration module arbitrates all pending data including the first pending data, and verifies the arbitration result output by the selection output module; if the data judging module judges that the judging result output by the selecting output module is correct, no operation is executed; if the data arbitration module judges that the arbitration result output by the selection output module is incorrect, namely the first data to be arbitrated is abnormal, a rollback operation module is started, and rollback operation is carried out on the arbitration result output by the selection output module. And the back-end hardware equipment performs corresponding operation according to the rollback operation request so as to correct the judgment result output by the selection output module.
In this embodiment, when the data arbitration module verifies the arbitration result output by the selection output module based on a preset arbitration rule, the data arbitration module performs: if the execution result contained in the first pending data is inconsistent with the execution result contained in the remaining pending data, the data arbitration module judges that the first pending data is abnormal; otherwise, the data arbitration module judges that the first data to be arbitrated is normal; or if the execution results contained in all the pending data are inconsistent, the voting result is M: n, if the execution result contained in the first pending data is consistent with the content and the execution result contained in the majority of pending data is inconsistent, the data arbitration module judges that the first pending data is abnormal; wherein M is not equal to N; otherwise, the data arbitration module determines that the first pending data is normal.
When the data arbitration module judges that the arbitration result output by the selection output module fails to pass the verification, the arbitration result output by the selection output module is wrong, at this time, the data arbitration module starts a rollback operation module, the rollback operation module generates a rollback operation request, rollback operation is performed on the arbitration result output by the selection output module, and the hardware equipment is restored to a state before the corresponding operation is performed on the arbitration result so as to perform error correction with the arbitration result output by the selection output module.
The invention not only can shorten the response time of the arbitration, but also can correct the error of the output arbitration result, thereby enhancing the flexibility of the arbitrator.
Further, the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; or when the total number of the pending data reaches a preset value X, the data arbitration module performs pre-verification on the arbitration result output by the selection output module based on the previous X pending data.
It should be noted that, if the data arbitration module performs verification on the arbitration result output by the selection output module based on all the pending data, the verification is performed once, but there may be a problem that the amount of all the remaining pending data is still large, and the time required in the verification process is long.
When the total number of the pending data reaches a preset value X, the data arbitration module performs pre-verification on the arbitration result output by the selection output module based on the first X pending data, and more than one verification operation is needed; when consistency arbitration, once the execution results contained in the first X pieces of pending data (part of the rest pending data) are inconsistent with the arbitration results output by the selection output module, the data arbitration module judges that the arbitration results output by the selection output module do not pass the verification; at this time, the data arbitration module may start the rollback operation module in advance, perform rollback operation on the arbitration result output by the selection output module, generate a feedback message, and send the feedback message to the feedback controller, so as to further shorten the arbitration response time.
In actual operation of the mimicry construction device, the situation that the execution result contained in the first pending data is inconsistent with the execution result contained in the remaining pending data may occur, or the execution results contained in all the pending data are inconsistent, and the voting result is M: n, the execution results contained in the first pending data are consistent with the content, and the execution results contained in the majority of pending data are inconsistent; therefore, after the arbitration result output by the selection output module, the data arbitration module needs to read the arbitration result output by the selection output module and the remaining data to be arbitrated, and verifies the arbitration result output by the selection output module according to a preset arbitration rule; thereby ensuring the accuracy of the output result while improving the judging efficiency.
Further, after the rollback operation module performs rollback operation on the arbitration result output by the selection output module, if the preset arbitration rule is in a majority arbitration mode, the data arbitration module determines the voting result as M: n, the execution results contained in the pending data with consistent content and majority are output as new arbitration results, so that the flexibility of the fast arbitration method is further enhanced.
Example 2
In order to facilitate management of pending data transmitted by heterogeneous executors, the embodiment sets a plurality of executor output data queues, and each online heterogeneous executor should be corresponding to 1 executor output data queue; different execution body output data queues are used to store pending data for different heterogeneous execution body transmissions. The length of the execution body output data queue should be as large as possible, and can be specifically configured according to the sending rate of the arbitrated data and the comprehensive consideration of service requirement time delay.
It should be noted that, in one operation process, the first arbitration data received by the data queue starts the selection output module through the first judging module. The data queue management module sorts all the pending data according to the time when the pending data arrives at the arbiter, and continuously counts the total number of the pending data; and adding 1 to the total number of the current pending data until the pending data of all online heterogeneous executors are received.
It can be understood that the data queue adopts first-in first-out, last-in last-out; compared with the traditional method that all pending data are stored in the same data queue, the method and the device store the pending data of different heterogeneous executors to different data queues, so that a data arbitration module can conveniently read the pending data to perform arbitration, the time for acquiring the pending data is shortened, and the verification efficiency of arbitration results is further improved.
In a specific embodiment, as shown in fig. 1, the mimicry construction device includes n online heterogeneous execution bodies, and n execution body output data queues are correspondingly set. The pending data stored in the executable output data queue includes routing tables, STP protocol states, etc.
Example 3
On the basis of the quick simulator-judging method capable of correcting errors in the embodiment 1, the embodiment provides a quick simulator-judging device capable of correcting errors, and the quick simulator-judging device capable of correcting errors comprises a first judging module, a selection output module, a data judging module and a rollback operation module.
In this embodiment, the first determining module is configured to trigger the selection output module when receiving first data to be arbitrated; the selection output module is used for acquiring the first data to be arbitrated and outputting the first data to be arbitrated as an arbitrated result.
It should be noted that, the first received pending data is used as the first pending data, and the first pending data is output to the back-end hardware device by the selection output module for corresponding configuration; the selection output module does not correct the output arbitration result. The back-end hardware device executes corresponding operation according to the first data to be judged, so that the response efficiency of the hardware device is improved, and the instantaneity of the mimicry construction device is greatly improved; the error-correcting quick mimicry arbitration method greatly advances the arbitration result output time and shortens the arbitration response time.
In this embodiment, the data arbitration module is configured to obtain all data to be arbitrated, and verify the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module; the rollback operation module is used for generating a rollback operation request and performing rollback operation on the arbitration result output by the selection output module. The rollback operation module is used for performing revocation processing when the issued operation instruction has a problem; the rollback operation module should be provided with all setting instructions of the network device, and when a rollback operation request is received, appropriate configuration is combined from the setting instructions to complete rollback of the issued command.
It can be understood that the data arbitration module does not perform any operation when the data arbitration module determines that the arbitration result output by the selection output module passes the verification. And when the data judging module judges that the judging result output by the selecting output module fails to pass the verification, the rollback operation module is informed to cancel the issued operation instruction.
In this embodiment, the data arbitration module is configured to, when an execution result included in the first pending data is inconsistent with an execution result included in the remaining pending data, or when execution results included in all pending data are inconsistent, vote a M: and N, when the execution results contained in the first pending data are consistent with the content and the execution results contained in the majority of pending data are inconsistent, starting the rollback operation module.
It should be noted that, if the first judging module receives the first pending data, the selecting output module outputs the first pending data as a result of the arbitration to the back-end hardware device, and the back-end hardware device performs corresponding operations based on the result of the arbitration, thereby improving the response efficiency of the hardware device. When the data arbitration module judges that the arbitration result output by the selection output module fails to pass the verification, the data arbitration module starts a rollback operation module to rollback the arbitration result output by the selection output module, so that the hardware equipment is restored to a state before the corresponding operation is performed on the arbitration result, and error correction is performed on the arbitration result.
Further, the data arbitration module is further configured to, after performing rollback operation on the arbitration result output by the selection output module by using the rollback operation module, determine a voting result as M: n, the execution results contained in the pending data which are consistent in content and majority are output as new arbitration results.
It should be noted that, if the data arbitration module performs verification on the arbitration result output by the selection output module based on all the pending data, the verification is performed once, but there may be a problem that the amount of all the remaining pending data is still large, and the time required in the verification process is long.
When the total number of the pending data reaches a preset value X, the data arbitration module performs pre-verification on the arbitration result output by the selection output module based on the previous X pending data, and more than one verification operation is needed; when consistency arbitration is performed, once the execution results contained in the first X pieces of data to be arbitrated (part of the rest data to be arbitrated) are inconsistent with the arbitration results output by the selection output module, the data arbitration module judges that the arbitration results output by the selection output module do not pass the verification; at this time, the data arbitration module may perform rollback operation on the arbitration result output by the selection output module in advance, so as to further shorten the arbitration response time.
In this embodiment, the fast simulator-arbitrator with error correction further includes a data queue management module, where the data queue management module is configured to mark received pending data according to the arrival time, detect the first pending data, and transmit the first pending data to the first judgment module.
Further, the data queue management module is further configured to set different data queues for different heterogeneous execution bodies, where the different data queues are used to store pending data transmitted by the different heterogeneous execution bodies.
It should be noted that, the data queue adopts first-in first-out, last-in last-out; compared with the traditional method that all pending data are stored in the same data queue, the method and the device store the pending data of different heterogeneous executors to different data queues, so that a data arbitration module can conveniently read the pending data to perform arbitration, the time for acquiring the pending data is shortened, and the verification efficiency of arbitration results is further improved.
Example 4
The embodiment provides a mimicry defense system, which comprises an input agent, a heterogeneous executable, a resolver, a feedback controller and an output agent, wherein the resolver is the error-correcting quick mimicry resolver in the embodiment 3.
In this embodiment, the heterogeneous executable is configured to receive user instruction data and output pending data to the error-correctable fast simulator resolver;
the selection output module of the error-correcting quick mimicry resolver is used for acquiring first pending data and outputting the first pending data as a resolution result;
the data judging module of the error-correcting quick mimicry judging device is used for verifying the judging result output by the selection output module;
the rollback operation module of the error correction fast mimicry resolver is used for generating a rollback operation request when the first data to be resolved is abnormal, and performing rollback operation on the resolving result output by the selection output module.
And the feedback controller is used for synchronizing, cleaning or other operations on the heterogeneous execution bodies according to the inconsistent state of the execution results.
For example, in time t0, the first received arbitration data in the n execution body output data queues needs to be copied and sent to the selection output module (assuming that arbitration data of the 1 st heterogeneous execution body comes first); the n execution body output data queues receive the total requirement delta t of all pending data; the data arbitration decision device finishes the acquisition of the pending data of n execution bodies at the time delta t at the highest speed, compares and decides the n arbitration data, and when the pending data of the heterogeneous execution body 1 is found to be abnormal, the data arbitration module informs the rollback operation module to rollback the arbitration result sent by the execution body 1 and resends the normal arbitration data.
Fig. 2 shows a timing diagram of the operation of the mimicry defense system, in particular:
the heterogeneous execution body 1 to the heterogeneous execution body N respectively send pending data to the error-correcting quick mimicry resolver;
the data queue management module of the error-correcting quick mimicry resolver receives pending data sent by different heterogeneous execution bodies and stores the pending data into corresponding data queues;
sorting all pending data according to the time when the pending data arrives at the arbiter;
when first data to be arbitrated is received, the first judging module triggers the selection output module;
the first data to be arbitrated is obtained and is output as an arbitrating result;
the data arbitration module is used for acquiring all data to be arbitrated and checking arbitration results output by the selection output module based on preset arbitration rules;
when the first data to be arbitrated is detected to be abnormal, starting a rollback operation module, and feeding back the arbitrating result of the data arbitrating module to a feedback controller; when the first pending data is detected to be normal, not performing any operation;
the rollback operation module generates a rollback operation request when the first data to be arbitrated is abnormal, and rollback operation is carried out on the arbitrated result output by the selection output module;
the back-end hardware device executes corresponding operation according to the rollback operation request; after the back-end hardware device executes rollback operation, the data arbitration module also outputs a new arbitration result and sends the new arbitration result to the back-end hardware device through selecting an output module or directly;
and the feedback controller performs adjustment such as synchronization, cleaning and the like on the heterogeneous execution bodies according to the judging result of the data judging module.
Example 5
The present embodiment provides a readable storage medium having instructions stored thereon which, when executed by a processor, implement the steps of the error-correcting fast mimicry arbitration method described above.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal and method may be implemented in other manners. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules described above is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules described above, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by instructing related hardware by a computer program, where the computer program may be stored in a computer readable storage medium, and the computer program may implement the steps of each method embodiment described above when executed by a processor. The computer program comprises computer program code, and the computer program code can be in a source code form, an object code form, an executable file or some intermediate form and the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (8)
1. The quick mimicry judging method capable of correcting errors is characterized by comprising the following steps:
triggering a selection output module when receiving first data to be arbitrated;
the selection output module acquires the first data to be arbitrated and outputs the first data to be arbitrated as an arbitrated result;
the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
the rollback operation module generates a rollback operation request and performs rollback operation on the arbitration result output by the selection output module;
when the data arbitration module verifies the arbitration result output by the selection output module based on a preset arbitration rule, the data arbitration module executes:
if the execution result contained in the first pending data is inconsistent with the execution result contained in the remaining pending data, the data arbitration module judges that the first pending data is abnormal; otherwise, the data arbitration module determines that the first pending data is normal.
2. The quick mimicry judging method capable of correcting errors is characterized by comprising the following steps:
triggering a selection output module when receiving first data to be arbitrated;
the selection output module acquires the first data to be arbitrated and outputs the first data to be arbitrated as an arbitrated result;
the data arbitration module acquires all data to be arbitrated, and verifies the arbitration result output by the selection output module based on a preset arbitration rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
the rollback operation module generates a rollback operation request and performs rollback operation on the arbitration result output by the selection output module;
when the data arbitration module verifies the arbitration result output by the selection output module based on a preset arbitration rule, the data arbitration module executes:
if the execution results contained in all the pending data are inconsistent, the voting result is M: n, if the execution result contained in the first pending data is consistent with the content and the execution result contained in the majority of pending data is inconsistent, the data arbitration module judges that the first pending data is abnormal; wherein M is not equal to N; otherwise, the data arbitration module determines that the first pending data is normal.
3. The error-correctable fast simulation arbitration method according to claim 1 or 2, wherein: after the rollback operation module performs rollback operation on the arbitration result output by the selection output module, the data arbitration module determines the voting result as M: n, the execution results contained in the pending data which are consistent in content and majority are output as new arbitration results.
4. An error-correcting fast simulator-arbiter, comprising:
the first judging module is used for triggering the selection output module when receiving the first data to be judged;
the selection output module is used for acquiring the first data to be arbitrated and outputting the first data to be arbitrated as an arbitrated result;
the data judging module is used for acquiring all data to be judged and verifying the judging result output by the selection output module based on a preset judging rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
the rollback operation module is used for generating a rollback operation request and performing rollback operation on the arbitration result output by the selection output module;
the data arbitration module is used for starting the rollback operation module when the execution result contained in the first pending data is inconsistent with the execution result contained in the remaining pending data.
5. An error-correcting fast simulator-arbiter, comprising:
the first judging module is used for triggering the selection output module when receiving the first data to be judged;
the selection output module is used for acquiring the first data to be arbitrated and outputting the first data to be arbitrated as an arbitrated result;
the data judging module is used for acquiring all data to be judged and verifying the judging result output by the selection output module based on a preset judging rule; when the first pending data is detected to be abnormal, starting a rollback operation module;
the rollback operation module is used for generating a rollback operation request and performing rollback operation on the arbitration result output by the selection output module;
the data arbitration module is configured to, when execution results included in all pending data are inconsistent, vote a result of M: and N, when the execution results contained in the first pending data are consistent with the content and the execution results contained in the majority of pending data are inconsistent, starting the rollback operation module.
6. The rapid simulator of claim 4 or 5, wherein the data arbitration module is further configured to, after performing a rollback operation on the arbitration result output by the selection output module by the rollback operation module, vote the result as M: n, the execution results contained in the pending data which are consistent in content and majority are output as new arbitration results.
7. A mimicry defense system comprising an input agent, a heterogeneous executable, an arbitrator, a feedback controller, and an output agent, wherein: the arbiter is an error-correctable fast simulator arbiter according to any of claims 4 to 6.
8. A readable storage medium having instructions stored thereon, characterized by: the instructions, when executed by a processor, implement the steps of the error-correctable fast simulator arbitration method of any of claims 1 to 3.
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