CN112073844B - Transmission equipment configuration verification synchronization method and system - Google Patents
Transmission equipment configuration verification synchronization method and system Download PDFInfo
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- CN112073844B CN112073844B CN202010906855.6A CN202010906855A CN112073844B CN 112073844 B CN112073844 B CN 112073844B CN 202010906855 A CN202010906855 A CN 202010906855A CN 112073844 B CN112073844 B CN 112073844B
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
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- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The invention discloses a method and a system for configuration verification synchronization of transmission equipment, which relate to the technical field of data transmission, and the method comprises the following steps: respectively acquiring the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block, and correspondingly storing the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block in two checksum lists of the main disk; creating a thread X for processing checksum information; and at a certain interval, comparing the two check sum lists by the thread X, if the check sums of the configuration blocks are inconsistent, sending the configuration block data to the spare disk by the main disk, and after the spare disk successfully receives the configuration block data, covering the check sum information of the configuration blocks of the spare disk by the thread X to finish configuration check synchronization. The configuration verification synchronization method for the transmission equipment greatly improves the incremental synchronization processing efficiency and can avoid the problems of packet loss, queue blockage and the like.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a method and a system for configuration verification synchronization of transmission equipment.
Background
In the POTN transmission equipment, usually, the master control disk adopts the inter-disk mode to detect and process the configured checksum, however, the stability due to the crossing of the back boards is limited, and the UDP protocol message used by the master control disk is unreliable, the inter-disk mode has the risk of packet loss, and because the frequency of detecting and processing the checksum is higher, when the interactive data processing between other disks exists, the probability of processing the inter-disk message queue blocking is increased.
Then, when the configuration is detected to be asynchronous, the efficiency problem also exists in the current processing configuration synchronization, and especially when the configuration data volume is large, such as a cluster and a control plane scene, the processing synchronization efficiency is not high, which causes the system resources to occupy too much, so that a reasonable and efficient configuration synchronization processing mechanism is needed to improve the efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a transmission equipment configuration verification synchronization method, which greatly improves the incremental synchronization processing efficiency and can avoid the problems of packet loss, queue blockage and the like.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a method for configuration verification synchronization of transmission equipment comprises the following steps:
respectively acquiring the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block, and correspondingly storing the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block in two checksum lists of the main disk;
creating a thread X for processing checksum information;
and at a certain interval, comparing the two check sum lists by the thread X, if the check sums of the configuration blocks are inconsistent, sending the configuration block data to the spare disk by the main disk, and after the spare disk successfully receives the configuration block data, covering the check sum information of the configuration blocks of the spare disk by the thread X to finish configuration check synchronization.
On the basis of the above technical solution, after the master/slave switching occurs, the specific steps of respectively obtaining the checksum information of the master configuration block and the checksum information of the slave configuration block include:
and the new master disk recalculates the checksum information of the configuration blocks according to the configuration files, the new standby disk deletes the previous configuration, synchronizes the configuration files of the new master disk, and obtains the checksum information of the configuration blocks of the new standby disk according to the configuration files synchronized by the new standby disk.
On the basis of the technical scheme, when the method is applied to a scene with a plurality of expansion frames, an expansion frame check sum list is newly established on a main disc, configuration check sum information of all the expansion frames is stored in the expansion frame check sum list, the configuration of the expansion frames is synchronized by adopting a point-to-multipoint multicast mode, and the expansion frames are configured and issued in a parallel and synchronous mode.
On the basis of the technical scheme, the specific step of sending the configuration block data to the standby disk by the main disk comprises the following steps: and after receiving the new configuration data, the master disk judges the configuration synchronization mode according to the number of the configuration blocks and the issuing frequency, and correspondingly updates the two check sum lists according to different configuration synchronization modes.
On the basis of the technical scheme, the specific steps of correspondingly updating the two checksum lists comprise:
the master disk updates the check sum information of the master disk configuration block according to the new configuration data;
the master disk sends a configuration file compression packet for updating the configuration block to the standby disk, and waits for a confirmation response after the standby disk normally receives the configuration file compression packet;
after receiving the response of successful receiving of the standby disk, the main disk covers the check sum information of the standby disk configuration block by the thread X; and if the main disk does not receive the response of successful receiving of the standby disk, the main disk sends the configuration file compression packet for updating the configuration block to the standby disk again until the response of successful receiving of the standby disk is received.
On the basis of the above technical solution, the specific step of correspondingly updating the two checksum lists according to different configuration synchronization manners includes:
if the incremental distribution of a small amount of configuration data is carried out, synchronously configuring the block data in real time and updating two check sum lists;
if the configuration data are distributed in batches, delay synchronization is carried out, and after the interval delay time length, two check sum lists are updated according to the latest configuration block data.
On the basis of the technical scheme, the calculation mode of the delay time length is as follows:
setting a plurality of factors influencing the delay time, distributing a weighted value for each factor, calculating a weighted average value through a weighted average calculation formula, and calculating the delay time issued by the configuration through the weighted average value.
On the basis of the above technical solution, the formula for calculating the delay time issued by the current configuration through the weighted average value is as follows: t ═ X × δ T;
wherein, T is the delay time, X is the weighted average value, and delta T is the empirical coefficient.
On the basis of the above technical solution, the method for configuration, verification and synchronization of transmission equipment further includes the steps of:
and at intervals, the standby disk recalculates the checksum information of the configuration block, sends the recalculated checksum information to the main disk, and the main disk renews the checksum information of the standby disk configuration block in the corresponding checksum list.
The present application further provides a transmission device configuration verification synchronization system, including:
the system comprises a check sum processing module, a master disk configuration module and a backup disk configuration module, wherein the check sum processing module is used for respectively acquiring the check sum information of a master disk configuration block and the check sum information of a backup disk configuration block and correspondingly storing the check sum information of the master disk configuration block and the check sum information of the backup disk configuration block in two check sum lists of a master disk;
the thread creating module is used for creating a thread X for processing the checksum information;
and the verification synchronization module is used for comparing the two verification sum lists at intervals by the thread X, if the verification sums of the configuration blocks are inconsistent, the main disk sends the data of the configuration blocks to the standby disk, and after the standby disk successfully receives the data, the thread X covers the verification sum information of the main disk with the verification sum information of the configuration blocks of the standby disk to complete configuration verification synchronization.
Compared with the prior art, the invention has the advantages that: according to the configuration check synchronization method for the transmission equipment, on one hand, check sum information of configuration blocks is acquired, the configuration blocks with inconsistent check sums can be found by comparing two check sum lists, then the main disk sends the configuration block data to the standby disk for synchronization, the configuration blocks are used as the minimum processing unit, the configuration blocks with inconsistent synchronization are synchronized, the configuration blocks are atomic-level configuration units due to the fact that the granularity of the configuration blocks is small, if configuration changes little, the processing data amount is small, the efficiency is high, and therefore the incremental synchronization processing efficiency is greatly improved; on the other hand, all checking and processing actions are finished in the main disk, data interaction between disks does not exist basically, and the problems of packet loss, queue blockage and the like can be avoided.
Drawings
Fig. 1 is a schematic diagram of a synchronization method for configuration verification of a transmission device according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for checking synchronization of configuration of a transmission device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a method for checking and synchronizing configuration of transmission equipment, including:
s1: respectively acquiring the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block, and correspondingly storing the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block in two checksum lists of the main disk;
s2: creating a thread X for processing checksum information;
s3: and at a certain interval, comparing the two check sum lists by the thread X, if the check sums of the configuration blocks are inconsistent, sending the configuration block data to the spare disk by the main disk, and after the spare disk successfully receives the configuration block data, covering the check sum information of the configuration blocks of the spare disk by the thread X to finish configuration check synchronization.
According to the configuration verification synchronization method for the transmission equipment, on one hand, the verification sum information of the configuration blocks is obtained, the configuration blocks with inconsistent verification sums can be found by comparing the two verification sum lists, then the main disk sends the configuration block data to the standby disk for synchronization, the configuration blocks are used as the minimum processing units, the inconsistent configuration blocks are synchronized, and the incremental synchronization processing efficiency is greatly improved; on the other hand, all checking and processing actions are finished in the main disk, data interaction between disks does not exist basically, and the problems of packet loss, queue blockage and the like can be avoided.
More specifically, in this embodiment of the present application, the specific process of the transmission device configuration verification synchronization method includes:
acquiring the checksum information of the main disc configuration block by using an MD5 algorithm, and storing the checksum information of the main disc in a checksum list map A of the main disc;
using MD5 algorithm to obtain the checksum information of the spare disk configuration block, and storing the checksum information of the spare disk in the checksum list map B of the main disk;
creating a thread X for processing checksum information;
at intervals, the thread X compares the check sum list map A with the check sum list map B, if the check sums of the configuration blocks are inconsistent, the main disk sends a configuration file compression packet of the configuration blocks to the standby disk, and waits for a confirmation response after the standby disk normally receives the configuration file compression packet; and after the main disk receives the response that the standby disk successfully receives, the thread X covers the checksum list map B with the checksum information in the checksum list map A, and configuration and verification synchronization is completed.
Here, the interval time may be set to 10 seconds, and when the thread X overwrites the checksum list map B with the checksum information in the checksum list map a, it overwrites only the checksum information of the configuration block in the checksum list map B that is inconsistent with the checksum list map a, which is more efficient.
Further, in this embodiment of the present application, after the active/standby switching occurs, in step S1, the specific step of respectively obtaining the checksum information of the master configuration block and the checksum information of the standby configuration block includes:
and the new master disk recalculates the checksum information of the configuration blocks according to the configuration files, the new standby disk deletes the previous configuration, synchronizes the configuration files of the new master disk, and obtains the checksum information of the configuration blocks of the new standby disk according to the configuration files synchronized by the new standby disk.
Further, in this embodiment of the present application, when the method is applied to a scenario in which a plurality of extension boxes exist, the method for transmitting device configuration check synchronization includes the steps of:
an expansion frame check sum list is newly established on a main disc, configuration check sum information of all expansion frames is stored in the expansion frame check sum list, the configuration of a plurality of expansion frames is synchronized by adopting a point-to-multipoint multicast mode, and the plurality of expansion frames are configured and issued in a parallel synchronization mode.
Specifically, if the scenario is a cluster scenario, that is, when there are application scenarios with multiple extension frames, an extension frame checksum list map C needs to be added on the basis of the main disk mapA and mapB, where mapA and mapB are used for primary and standby synchronization, mapC is used for synchronizing with the extension frames, configuration checksums on the extension frames are stored in map C, the synchronization principle is different from primary and standby synchronization, and the synchronization with each secondary frame may be parallel by using a point-to-multipoint multicast mode. Further, in this embodiment of the application, in the step S3, the specific step of sending the configuration block data to the spare disk by the master disk includes:
s4: and after receiving the new configuration data, the master disk judges the configuration synchronization mode according to the number of the configuration blocks and the issuing frequency, and correspondingly updates the two check sum lists according to different configuration synchronization modes.
Specifically, in step S4, the step of updating the two checksum lists according to different configuration synchronization manners includes:
if the incremental distribution of a small amount of configuration data is carried out, synchronously configuring the block data in real time and updating two check sum lists;
if the configuration data are distributed in batches, delay synchronization is carried out, and after the interval delay time length, two check sum lists are updated according to the latest configuration block data.
In the embodiment of the application, when a large amount of configuration data is issued in batch, the delay synchronization is carried out, so that repeated configuration modification can be avoided, and one-time synchronization updating is the latest configuration, thereby greatly improving the configuration efficiency, not occupying too many system resources, and better avoiding the problems of packet loss, queue blocking and the like.
Preferably, in this embodiment of the present application, the delay duration is calculated in a manner that: setting a plurality of factors influencing the delay time, distributing a weighted value for each factor, calculating a weighted average value through a weighted average calculation formula, and calculating the delay time issued by the configuration through the weighted average value.
The factors affecting the delay time include the number of configuration blocks, the link switching time, the size of configuration data, the priority of configuration, and the like.
In this embodiment of the present application, the number of configuration blocks is denoted as X1, the weighted value of the number of configuration blocks is t1, the link switching time length is denoted as X2, the weighted value of the link switching time length is t2, the size of configuration data is denoted as X3, the weighted value of the size of configuration data is t3, the configured priority is denoted as X4, the weighted value of the configured priority is t4, and the calculation formula of the weighted average value X is:
X＝(x1*t1+x2*t2+x3*t3+x4*t4)/(t1+t2+t3+t4)。
preferably, in this embodiment of the present application, the formula for calculating the delay time issued by the current configuration through the weighted average is as follows: t ═ X × δ T;
wherein T is the delay time, X is the weighted average, and δ T is the empirical coefficient. δ t may be an empirical value obtained by experiment, preferably 1.5min, or may be adjusted according to actual conditions.
According to the embodiment of the application, the time for configuring synchronous processing can be dynamically prolonged according to different conditions of configuration data, namely the time delay is dynamically adjusted, so that the data are efficiently processed in batches, and the efficiency of synchronizing the batch data is improved.
Specifically, in step S4, the step of updating the two checksum lists correspondingly includes:
the master disk updates the check sum information of the master disk configuration block according to the new configuration data;
the master disk sends a configuration file compression packet for updating the configuration block to the standby disk, and waits for a confirmation response after the standby disk normally receives the configuration file compression packet;
after receiving the response of successful receiving of the standby disk, the main disk covers the check sum information of the standby disk configuration block by the thread X; and if the main disk does not receive the response of successful receiving of the standby disk, the main disk sends the configuration file compression packet for updating the configuration block to the standby disk again until the response of successful receiving of the standby disk is received.
Referring to fig. 2, the detailed steps of step S4 include:
s401: the main disk receives new configuration data;
s402: judging a configuration synchronization mode according to the number of the configuration blocks and the issuing frequency, if the configuration synchronization mode is small-amount configuration data increment issuing, turning to a step S403, and if the configuration synchronization mode is large-amount configuration data batch issuing, turning to a step S404;
s403: synchronizing the configuration data in real time to obtain new configuration data, and turning to step S405;
s404: carrying out time delay synchronous configuration data, skipping the middle old data after the time delay is carried out, obtaining new configuration data, namely the latest configuration data, and turning to the step S405;
s405: the master disk updates the check sum information of the master disk configuration block according to the new configuration data and stores the updated check sum information of the master disk configuration block in a check sum list map A;
s406: the master disk sends a configuration file compression packet for updating the configuration block to the standby disk, and waits for a confirmation response after the standby disk normally receives the configuration file compression packet;
s407: judging whether the main disk receives the response of successful receiving of the standby disk, if so, turning to a step S408, and if not, turning to a step S409;
s408: after the main disk receives the response that the standby disk successfully receives, the thread X covers the check sum information of the main disk on the check sum information of the standby disk configuration block, namely the check sum information in the check sum list map A covers the check sum list map B;
s409: if the master disk does not receive the response of successful reception of the backup disk, the process goes to step S406, and the master disk sends the configuration file compression of the updated configuration block to the backup disk again.
Preferably, in this embodiment of the present application, the method for configuration, verification and synchronization of transmission equipment further includes the steps of:
and at intervals, the standby disk recalculates the checksum information of the configuration block, sends the recalculated checksum information to the main disk, and the main disk renews the checksum information of the standby disk configuration block in the corresponding checksum list.
The time interval may be set to be relatively long, for example, 10 minutes, so as to avoid that the time interval is too short, frequent operation is performed, and more resources are occupied.
The specific step of updating the checksum list map B according to the checksum information obtained by recalculation includes:
the master disk compares whether the recalculated checksum information is consistent with the checksum information in the checksum list map B, if so, the processing is not carried out, and if not, the checksum information in the checksum list map B is updated to the recalculated checksum information.
The steps provide a check sum timing updating mechanism, and if the check sum list in the main disk is inconsistent with the check sum actually configured by the standby disk, the check sum list needs to be updated, so that the check sum list in the main disk is ensured to be consistent with the check sum actually configured by the standby disk, the method is safer and more reliable, and the real-time performance and the accuracy of the check sum list are ensured.
The embodiment of the present application further provides a transmission device configuration verification synchronization system, including:
the system comprises a check sum processing module, a master disk configuration module and a backup disk configuration module, wherein the check sum processing module is used for respectively acquiring the check sum information of a master disk configuration block and the check sum information of a backup disk configuration block and correspondingly storing the check sum information of the master disk configuration block and the check sum information of the backup disk configuration block in two check sum lists of a master disk;
the thread creating module is used for creating a thread X for processing the checksum information;
and the verification synchronization module is used for comparing the two verification sum lists at intervals by the thread X, if the verification sums of the configuration blocks are inconsistent, the main disk sends the data of the configuration blocks to the standby disk, and after the standby disk successfully receives the data, the thread X covers the verification sum information of the main disk with the verification sum information of the configuration blocks of the standby disk to complete configuration verification synchronization.
On one hand, the configuration check synchronization system for the transmission equipment acquires the check sum information of the configuration blocks, can find the configuration blocks with inconsistent check sums by comparing the two check sum lists, then sends the configuration block data to the standby disk by the main disk for synchronization, takes the configuration blocks as the minimum processing unit, synchronizes the inconsistent configuration blocks, and greatly improves the processing efficiency during incremental synchronization; on the other hand, all checking and processing actions are finished in the main disk, data interaction between disks does not exist basically, and the problems of packet loss, queue blockage and the like can be avoided.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (7)
1. A method for synchronization of configuration verification of transmission equipment is characterized by comprising the following steps:
respectively acquiring the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block, and correspondingly storing the checksum information of the main disk configuration block and the checksum information of the standby disk configuration block in two checksum lists of the main disk;
creating a thread X for processing checksum information;
at intervals, comparing the two check sum lists by the thread X, if the check sum of the configuration blocks is inconsistent, sending the configuration block data to the spare disk by the main disk, and after the spare disk successfully receives the configuration block data, covering the check sum information of the configuration blocks of the spare disk by the thread X to finish configuration and check synchronization;
the specific steps of the master disk sending the configuration block data to the standby disk include: after receiving new configuration data, the master disk judges a configuration synchronization mode according to the number of configuration blocks and the issuing frequency, and correspondingly updates two check sum lists according to different configuration synchronization modes;
the specific steps of correspondingly updating the two checksum lists comprise:
the master disk updates the check sum information of the master disk configuration block according to the new configuration data;
the master disk sends a configuration file compression packet for updating the configuration block to the standby disk, and waits for a confirmation response after the standby disk normally receives the configuration file compression packet;
after receiving the response of successful receiving of the standby disk, the main disk covers the check sum information of the standby disk configuration block by the thread X; if the main disk does not receive the response of successful receiving of the standby disk, the main disk sends the configuration file compression packet for updating the configuration block to the standby disk again until the response of successful receiving of the standby disk is received;
the method further comprises the steps of:
and at intervals, the standby disk recalculates the checksum information of the configuration block, sends the recalculated checksum information to the main disk, and the main disk renews the checksum information of the standby disk configuration block in the corresponding checksum list.
2. The method for synchronization of configuration and verification of transmission equipment according to claim 1, wherein the specific step of respectively obtaining the checksum information of the configuration block of the main disk and the checksum information of the configuration block of the standby disk after the main/standby switching occurs comprises:
and the new master disk recalculates the checksum information of the configuration blocks according to the configuration files, the new standby disk deletes the previous configuration, synchronizes the configuration files of the new master disk, and obtains the checksum information of the configuration blocks of the new standby disk according to the configuration files synchronized by the new standby disk.
3. The method according to claim 1, wherein when the method is applied to a scenario in which multiple extension frames exist, an extension frame checksum list is created on the primary disk, the configuration checksum information of all the extension frames is stored in the extension frame checksum list, the configuration of the multiple extension frames is synchronized in a point-to-multipoint multicast manner, and the multiple extension frames are configured and issued in a parallel and synchronous manner.
4. The method for configuration, check and synchronization of transmission equipment according to claim 1, wherein the specific step of correspondingly updating the two check sum lists according to different configuration synchronization modes comprises:
if the incremental distribution of a small amount of configuration data is carried out, synchronously configuring the block data in real time and updating two check sum lists;
if the configuration data are distributed in batches, delay synchronization is carried out, and after the interval delay time length, two check sum lists are updated according to the latest configuration block data.
5. The transmission device configuration check synchronization method of claim 4, wherein the delay duration is calculated in a manner of:
setting a plurality of factors influencing the delay time, distributing a weighted value for each factor, calculating a weighted average value through a weighted average calculation formula, and calculating the delay time issued by the configuration through the weighted average value.
6. The transmission device configuration verification synchronization method of claim 5, wherein the calculation formula for calculating the delay time issued by the current configuration through the weighted average value is as follows: t ═ X × δ T;
wherein T is the delay time, X is the weighted average, and δ T is the empirical coefficient.
7. A transmission device configuration verification synchronization system using the transmission device configuration verification synchronization method according to claim 1, comprising:
the system comprises a check sum processing module, a master disk configuration module and a backup disk configuration module, wherein the check sum processing module is used for respectively acquiring the check sum information of a master disk configuration block and the check sum information of a backup disk configuration block and correspondingly storing the check sum information of the master disk configuration block and the check sum information of the backup disk configuration block in two check sum lists of a master disk;
the thread creating module is used for creating a thread X for processing the checksum information;
and the verification synchronization module is used for comparing the two verification sum lists at intervals by the thread X, if the verification sums of the configuration blocks are inconsistent, the main disk sends the data of the configuration blocks to the standby disk, and after the standby disk successfully receives the data, the thread X covers the verification sum information of the main disk with the verification sum information of the configuration blocks of the standby disk to complete configuration verification synchronization.
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| US10860226B2 (en) * | 2018-04-27 | 2020-12-08 | EMC IP Holding Company LLC | Systems and methods of synchronizing configuration information in a clustered storage environment |
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