CN111464438A - Method and device for managing state of VRRP node, and method and device for improving equipment - Google Patents
Method and device for managing state of VRRP node, and method and device for improving equipment Download PDFInfo
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Abstract
The invention discloses a state management method of VRRP nodes, a device improvement method and a device, wherein the state management method comprises the following steps: and when the number of the state marks of the VRRP nodes meets the regulation threshold value, regulating the priority of the VRRP nodes in the corresponding VRRP group. The equipment improvement method comprises the following steps: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises a master device and a slave device; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group. The apparatus is for performing a method. The embodiment of the invention can reduce the load of the VRRP nodes by adjusting the priority according to the number of the state marks, is beneficial to improving the overall safety of the VRRP group, and improves the transmission efficiency by keeping reasonable load.
Description
Technical Field
The present invention relates to the field of routing technologies, and in particular, to a method and an apparatus for state management of a VRRP node, and a method and an apparatus for improving a device.
Background
VRRP is a fault tolerant protocol used in static route protection that simplifies the configuration of hosts while improving reliability. The VRRP protocol selects one router as a main device and other devices as backup devices from a plurality of router gateways configured with the same VRRP backup group. The master device usually sends a VRRP notification multicast packet through a CPU or other hardware assistance (such as FPGA, etc.), the backup device determines whether operations such as state switching (such as switching from a slave state to a master state) are required according to the received VRRP packet, and meanwhile, the packet processing performance of the VRRP directly affects the switching performance of a VRRP backup group.
With the increase of the complexity of the network environment, multiple VRRP backup groups are usually configured on one router to meet the application requirements of multiple gateways, backup protection of multiple links, load sharing, and the like, so that the requirement on the sending performance of the primary router in the VRRP backup groups is higher and higher. This is especially true when multiple VRRP backup groups exist for a router and the router is the primary for these multiple backup groups: on one hand, the packet sending efficiency is influenced, and meanwhile, the sending bandwidth of the port is occupied, so that the performance of other services is further influenced.
Disclosure of Invention
The present invention is directed to at least alleviating one of the technical problems in the prior art. Therefore, the invention provides a state management method and a state management system of a VRRP node.
In a first aspect, an embodiment of the present invention provides a method for managing a state of a VRRP node, including: and when the number of the state marks of the VRRP nodes meets the regulation threshold value, regulating the priority of the VRRP nodes in the corresponding VRRP group, wherein the state marks comprise a master state and a slave state.
The state management method of the VRRP node of the embodiment of the invention at least has the following beneficial effects: by adjusting the priority according to the number of status flags, the load on the VRRP nodes can be reduced, which contributes to improving the overall security of the VRRP group, and improves the transmission efficiency by maintaining a reasonable load.
According to the state management method of the VRRP node of another embodiment of the present invention, the VRRP node belongs to different VRRP groups and is provided with a corresponding state flag; correspondingly, when the number of the state marks of the main state is larger than a first threshold value, the priority of the VRRP node in at least one VRRP group is reduced; when the number of the state marks of the main state is lower than a second threshold value, the priority of the VRRP node in at least one VRRP group is improved; when the number of the state marks of the slave state is larger than a third threshold value, the priority of the VRRP node in at least one VRRP group is increased; and when the number of the state marks of the slave state is lower than a fourth threshold value, the priority of the VRRP node in at least one VRRP group is reduced. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety.
In a second aspect, an embodiment of the present invention provides a VRRP device improvement method, including: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises a master device and a slave device; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group.
The VRRP equipment improvement method of the embodiment of the invention at least has the following beneficial effects: the recording of the priority and the state marks can be realized through the monitoring thread, the load of the VRRP equipment can be reduced by adjusting the priority according to the number of the state marks, the overall safety of the backup group is improved, and the transmission efficiency is improved by keeping reasonable load.
According to another embodiment of the present invention, before setting a monitoring thread for a VRRP device, the method for improving a VRRP device further includes: determining that the VRRP equipment can perform dynamic priority adjustment, and giving a corresponding adjustable mark; correspondingly, when the monitoring thread detects an adjustable flag, the priority in the corresponding backup group is adjusted when detecting that the number of status flags of the VRRP device satisfies the adjustment threshold. By endowing the adjustable mark, the adjustable state of the VRRP equipment can be controlled conveniently.
According to another embodiment of the present invention, a method for improving a VRRP device, which determines that the VRRP device can perform dynamic priority adjustment and assign a corresponding adjustable flag, specifically includes: determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting an adjustment threshold based on the performance of the VRRP device. The threshold is adjusted according to the specific performance setting of the equipment, the function of the equipment can be reasonably arranged, and the transmission efficiency is improved.
According to the VRRP device improvement method of some embodiments of the present invention, the monitoring thread is further configured to obtain a priority of an opposite device connected to the VRRP device; correspondingly, the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment. By acquiring the priority of the opposite terminal equipment, the precision of adjusting the priority can be improved, and the overall efficiency can be improved.
According to the VRRP equipment improvement method of other embodiments of the invention, the VRRP equipment belongs to different backup groups and is provided with corresponding state marks; correspondingly, when the number of the state marks of the main equipment is larger than a first threshold value, the priority of the VRRP equipment in at least one backup group is reduced; when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is improved; when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is improved; and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety.
In a third aspect, an embodiment of the present invention provides a state management apparatus for a VRRP node, including: and the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of the state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state.
Drawings
Fig. 1 is a flowchart illustrating a state management method for a VRRP node according to an embodiment of the present invention;
FIG. 2 is a diagram of parameter settings in an embodiment of the present invention;
FIG. 3 is a flowchart illustrating the operation of a VRRP monitor thread according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating an embodiment of a VRRP thread according to the present invention;
fig. 5 is a comparison diagram of VRRP devices before and after priority adjustment in an embodiment of the present invention.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1, a state management method for a VRRP node in the embodiment of the present invention is shown, including:
and S0, when the number of the state labels of the VRRP nodes meets the regulation threshold, regulating the priority of the VRRP nodes in the corresponding VRRP group, wherein the state labels comprise a master state and a slave state.
The VRRP node is a node that performs packet/data transmission based on the VRRP protocol, and is specifically used for receiving, forwarding, and outputting packets/data. The VRRP node comprises a device of an entity or a functional non-entity formed based on software. Individual VRRP nodes do not exist independently, nor generally in only one VRRP group. A VRRP group is a transport network consisting of several VRRP nodes, in which messages/data are passed. The priority is used for determining the master-slave state between two VRRP nodes through the comparison of the priority, namely, according to the VRRP protocol standard, the backup equipment in the VRRP group compares the priority in the VRRP message with the priority in the self and the VRRP message, and whether to switch the master/slave state is determined through the comparison result.
The state management method of the VRRP node of the embodiment of the invention at least has the following beneficial effects: by adjusting the priority according to the number of status flags, the load on the VRRP nodes can be reduced, which contributes to improving the overall security of the VRRP group, and improves the transmission efficiency by maintaining a reasonable load.
According to the state management method of the VRRP node of another embodiment of the present invention, the VRRP node belongs to different VRRP groups and is provided with a corresponding state flag; correspondingly, when the number of the state marks of the main state is larger than a first threshold value, the priority of the VRRP node in at least one VRRP group is reduced; when the number of the state marks of the main state is lower than a second threshold value, the priority of the VRRP node in at least one VRRP group is improved; when the number of the state marks of the slave state is larger than a third threshold value, the priority of the VRRP node in at least one VRRP group is increased; and when the number of the state marks of the slave state is lower than a fourth threshold value, the priority of the VRRP node in at least one VRRP group is reduced. Through a specific scheme for adjusting the priority, various actual requirements can be met, and the overall safety can be improved.
One embodiment of the present invention provides a VRRP device improvement method, including: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises a master device and a slave device; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group.
The VRRP equipment is equipment for data interaction based on a VRRP protocol and can be a router. A backup group is a collection of transport networks consisting of several VRRP devices.
The VRRP equipment improvement method of the embodiment of the invention at least has the following beneficial effects: the recording of the priority and the state marks can be realized through the monitoring thread, the load of the VRRP equipment can be reduced by adjusting the priority according to the number of the state marks, the overall safety of the backup group is improved, and the transmission efficiency is improved by keeping reasonable load.
According to another embodiment of the present invention, before setting a monitoring thread for a VRRP device, the method for improving a VRRP device further includes: determining that the VRRP equipment can perform dynamic priority adjustment, and giving a corresponding adjustable mark; correspondingly, when the monitoring thread detects an adjustable flag, the priority in the corresponding backup group is adjusted when detecting that the number of status flags of the VRRP device satisfies the adjustment threshold. The adjustable mark is endowed, so that the external control of the adjustable state of the VRRP equipment is facilitated, and a corresponding priority adjustment scheme is established, for example, the equipment A is connected with the equipment B, the equipment A can be adjusted, the equipment B cannot be adjusted, and when the equipment B needs to be adjusted, the master-slave relationship between the equipment A and the equipment B can be indirectly changed by adjusting the priority of the equipment A.
According to another embodiment of the present invention, a method for improving a VRRP device, which determines that the VRRP device can perform dynamic priority adjustment and assign a corresponding adjustable flag, specifically includes: determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting an adjustment threshold based on the performance of the VRRP device. The threshold is adjusted according to the specific performance setting of the equipment, the function of the equipment can be reasonably arranged, and the transmission efficiency is improved.
According to the VRRP device improvement method of some embodiments of the present invention, the monitoring thread is further configured to obtain a priority of an opposite device connected to the VRRP device; correspondingly, the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment. By acquiring the priority of the opposite terminal equipment, the precision of adjusting the priority can be improved, and the overall efficiency can be improved. Because a single VRRP device may be connected to multiple backup groups, because multiple backup groups may be affected if the priority is modified by a large amount, precise modifications are required to reduce the impact on the whole (i.e., multiple backup groups).
According to the VRRP equipment improvement method of other embodiments of the invention, the VRRP equipment belongs to different backup groups and is provided with corresponding state marks; correspondingly, when the number of the state marks of the main equipment is larger than a first threshold value, the priority of the VRRP equipment in at least one backup group is reduced; when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is improved; when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is improved; and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety. The first threshold, the second threshold, the third threshold and the fourth threshold are preset values and belong to adjusting thresholds.
One embodiment of the present invention provides a state management apparatus for a VRRP node, including: and the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of the state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state.
The specific application principle of the state management device comprises:
the first step is as follows: a dynamic adjustment device (i.e., a monitoring unit) is introduced into the VRRP module of the router, and the device monitors the number of backup sets (i.e., groups) of VRRPs and the master and slave states in the backup sets.
The second step is that: the dynamically adjustable device is enabled by enabling a "dynamically adjust run priority" switch in the VRRP module of the configuration router.
The third step: the dynamic adjusting device records the main state and the slave state of the equipment (VRRP node) and each VRRP backup group according to the received VRRP message, and also records the identification (such as IP) and the priority of the opposite terminal equipment if the dynamic adjusting device is used as the backup equipment, and the priority is used as the reference for dynamically adjusting the priority of the dynamic adjusting device.
The fourth step: if the dynamic adjusting device monitors that the number of a certain device as a master or slave device is brought to a certain threshold value (configurable), the adjustment of the dynamic priority is started, and the self priority is reduced and improved according to the priority recorded in the third step to adjust the proportion of the self as the master or the slave.
The fifth step: after the priority is adjusted, the VRPP backup group can achieve the main and backup switching according to the comparison result of the priority, so that the purposes of reducing the CPU bandwidth, improving the sending efficiency and switching part of messages to other routers to achieve load balancing can be achieved.
Example 2.
The purpose of this embodiment is to provide a specific VRRP device improvement procedure:
step one, a monitoring thread (hereinafter, simply referred to as a monitoring thread) is implemented in the VRRP module, and the monitoring thread records the device identifier and the priority information (refer to a parameter setting diagram shown in fig. 2, including the VRRP device group ID (which may be specifically set to 10/20), the master device priority (e.g., 200/220), the master device address (e.g., 192.168.2.200/192.168.3.200)), and the slave device priority (e.g., 100/200) of each VRRP backup group.
And step two, configuring a global variable (monitoring mark for short) in the VRRP module to identify whether to enable dynamic operation priority adjustment.
And step three, configuring a dynamically adjusted threshold (such as percentage) in the VRRP module, and dynamically adjusting the priority when the monitoring state reaches the monitoring threshold.
And step four, recording the priority of the main equipment in each backup group in the normal running process of the monitoring thread.
And step five, if the monitoring thread checks the enabling of the monitoring mark, entering a dynamic monitoring and adjusting stage.
And step six, the monitoring thread dynamically improves the priority of the equipment in the corresponding part of backup groups (the priority is higher than the priority of the current main equipment) to promote the equipment to be in the main state by analyzing the state in each backup group and if the proportion of a certain router serving as the main equipment in each backup group reaches a set threshold, thereby reducing the load of the router with heavier load at the opposite end and achieving the purposes of shunting and improving the performance.
And step seven, the monitoring thread analyzes the states in each backup group, if the equipment is found to bear the main equipment in a plurality of backup groups and the number reaches a set threshold, the priority of the equipment is reduced in the corresponding part of the backup groups, the equipment is gradually reduced into the slave equipment, so that the load of the equipment is reduced, and the flow is distributed to other routers for processing.
The specific VRRP monitor thread operation diagram shown in fig. 3:
step S1, judging whether the VRRP monitoring thread executes the monitoring enabling, if yes, executing S2;
step S2, inquiring the global record table, analyzing the distribution condition of the master and slave devices, and selecting to execute step S21 or step S22 according to the specific distribution condition;
step S21, judging the number of the equipment as the main equipment reaches the set threshold value, if yes, executing step S31, otherwise, returning to step S1;
step S22, judging the number of the slave devices reaches the set threshold value, if yes, executing step S32, otherwise, returning to step S1;
step S31, according to the record list information, reducing the priority of the device in the partial device group, and executing step S4;
step S32, according to the record list information, increasing the priority of the device in the partial device group, and executing step S4;
step S4, mark priority adjustment, and return to step S1.
The operation diagram of the specific VRRP thread shown in fig. 4 is as follows:
step S01, judging whether the current device belongs to the master device, if yes, executing step S02, otherwise, executing step S04;
step S02, recording the device identification and priority (and refreshing the global record table), executing step S03;
and step S03, judging whether to adjust the priority, if so, updating the VRRP operation priority and sending the VRRP message, otherwise, directly sending the VRRP message.
Step S04, receiving a VRRP message, and executing step S05;
and step S05, judging whether to adjust the priority, if so, updating the VRRP operation priority, recording the identification and the priority of the opposite-end main equipment (and refreshing the global record table), otherwise, directly recording the identification and the priority of the opposite-end main equipment (and refreshing the global record table).
A comparison diagram of VRRP devices before and after prioritization as shown in figure 5.
The VRRP equipment comprises an access switch, routers 1 and 2.
Before adjustment, the router 1 is respectively used as a master device in different clusters (VRID 1/2/3/4); the routers 2 are respectively slave devices in different clusters (VRID 1/2/3/4). The router performs transmission or reception according to a specific state.
After adjustment, router 1 acts as a master in the cluster (VRID1/2) and as a slave in the cluster (VRID 3/4); router 2 acts as a slave in a different cluster (VRID1/2) and as a master in a cluster (VRID 3/4). The router performs transmission or reception according to a specific state.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (8)
- The state management method of the VRRP node is characterized by comprising the following steps:and when the number of state labels of the VRRP nodes meets an adjustment threshold, adjusting the priority of the VRRP nodes in the corresponding VRRP group, wherein the state labels comprise a master state and a slave state.
- 2. The state management method for the VRRP node of claim 1 wherein the VRRP nodes belong to different VRRP groups and are provided with corresponding state flags; in a corresponding manner, the first and second optical fibers are,when the number of state flags of the master state is greater than a first threshold, reducing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the master state is lower than a second threshold, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the slave state is greater than a third threshold, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the slave state is below a fourth threshold, the priority of the VRRP node in at least one VRRP group is reduced.
- The VRRP equipment improvement method is characterized by comprising the following steps:setting a monitoring thread for VRRP equipment, and recording priorities and state marks of the VRRP equipment in different backup groups, wherein the state marks comprise master equipment and slave equipment;and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in a corresponding backup group.
- 4. The improvement method for the VRRP device according to claim 3, wherein before setting the monitoring thread for the VRRP device, the improvement method further comprises:determining that the VRRP device can perform dynamic priority adjustment, and assigning a corresponding adjustable flag; in a corresponding manner, the first and second optical fibers are,when the monitoring thread detects the adjustable mark, when the number of the state marks of the VRRP equipment is detected to meet the adjustment threshold value, the priority in the corresponding backup group is adjusted.
- 5. The improvement method for the VRRP device according to claim 4, wherein said determining that the VRRP device can perform dynamic priority adjustment and assign a corresponding adjustable flag comprises:determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting the adjustment threshold according to the performance of the VRRP device.
- 6. The improvement method for the VRRP device according to claim 5, wherein the monitor thread is further used for obtaining the priority of the peer device connected with the VRRP device; in a corresponding manner, the first and second optical fibers are,and the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment.
- 7. The VRRP device improvement method of claim 6, wherein the VRRP devices belong to different backup groups and are provided with corresponding status flags; in a corresponding manner, the first and second optical fibers are,when the number of the state marks of the main equipment is larger than a first threshold value, reducing the priority of the VRRP equipment in at least one backup group;when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is increased;when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is increased;and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced.
- A state management apparatus of a VRRP node, comprising:and the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of the state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state.
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| CN114640680A (en) * | 2020-11-30 | 2022-06-17 | 南宁富联富桂精密工业有限公司 | Load balancing method and device and computer readable storage medium |
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