CN111416852A - Method for session synchronization among multiple load balancers and load balancer - Google Patents
Method for session synchronization among multiple load balancers and load balancer Download PDFInfo
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- CN111416852A CN111416852A CN202010180209.6A CN202010180209A CN111416852A CN 111416852 A CN111416852 A CN 111416852A CN 202010180209 A CN202010180209 A CN 202010180209A CN 111416852 A CN111416852 A CN 111416852A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
Abstract
The invention provides a method for carrying out session synchronization among a plurality of load balancers, wherein the plurality of load balancers comprise a first load balancer and a second load balancer, and the method comprises the following steps: the method comprises the steps that a first load balancer receives a first message sent from a client, wherein the first message comprises source information of the client; the first load balancer determines an actual server by using a preset algorithm according to the source information; the first load balancer carries out load balancing processing on the first message to obtain a second message; and when the preset condition is met, the first load balancer generates a third message based on the second message according to the mode of load balancing processing and synchronizes to the second load balancer. By the invention, when part of the load balancers in the load balancer cluster need to be upgraded or abnormal, the flow transmission between the client (user) and the actual server is not interrupted, so that the client does not sense.
Description
Technical Field
The invention relates to a method for session synchronization among a plurality of load balancers and a load balancer.
Background
Generally, a message sent by a client is subjected to load balancing processing by one load balancer in a load balancer cluster, and then sent to a certain server in a server cluster. The load balancing session synchronization can realize the mutual synchronization of the load balancing sessions among different load balancers, however, at present, most load balancers do not have session synchronization, so that the load balancers are abnormal or cannot be migrated without loss when the load balancers need to be upgraded, so that the forwarding of messages (service flow) sent by clients is abnormal, and normal services are influenced.
Disclosure of Invention
In order to solve the above problem, the present invention provides a method for session synchronization among a plurality of load balancers, the plurality of load balancers including a first load balancer and a second load balancer, the method comprising:
the first load balancer receives a first message sent from a client, wherein the first message comprises source information of the client;
the first load balancer determines an actual server by using a preset algorithm according to the source information;
the first load balancer carries out load balancing processing on the first message to obtain a second message;
and when a preset condition is met, the first load balancer generates a third message based on the second message according to the mode of load balancing processing, and synchronizes the third message to the second load balancer.
And the first load balancer performs load balancing processing on the first message and then generates a first session, wherein the first session comprises a corresponding relation between the first message and the information of the actual server.
And the second load balancer generates a second session which is the same as the first session according to the received third message.
Wherein the third packet includes the source information and the information of the real server.
The method further comprises the step that the second load balancer restores the third message to the second message and then sends the second message to the actual server.
Wherein the predetermined condition is when the first load balancer needs to be upgraded or is assessed as risky.
The present invention also provides a load balancer, comprising:
the system comprises a receiving unit, a sending unit and a sending unit, wherein the receiving unit is used for sending a first message from a client, and the message comprises source information of the client;
a determining unit that determines an actual server using a predetermined algorithm according to the source information;
the processing unit is used for carrying out load balancing processing on the first message to obtain a second message;
and the synchronization unit generates a third message based on the second message according to the mode of the load balancing processing and synchronizes the third message to another load balancer when a preset condition is met.
And the processing unit further generates a first session after performing load balancing processing on the first message, wherein the first session includes a corresponding relationship between the first message and the information of the actual server.
And the other load balancer generates a second session which is the same as the first session according to the received third message.
Wherein the third packet includes the source information and the information of the real server.
And the other load balancer restores the third message back to the second message and then sends the second message to the actual server.
Wherein the predetermined condition is when the load balancer needs to be upgraded or is assessed as risky.
The present invention also provides a computer-readable storage medium having instructions stored therein that, when executed, cause the computer to perform a method of session synchronization among a plurality of load balancers, the instructions comprising:
receiving an instruction, wherein a first message sent from a client comprises source information of the client;
determining an instruction, and determining an actual server by using a predetermined algorithm according to the source information;
processing instructions, namely performing load balancing processing on the first message to obtain a second message;
and a synchronous instruction, when a preset condition is met, the synchronous instruction generates a third message based on the second message according to the mode of the load balancing processing, and synchronizes the third message to another load balancer.
The present invention also provides a system comprising:
a memory for storing instructions for execution by one or more processors of the system, an
The processor, which is one of the processors of the system, is configured to perform the method for session synchronization among the plurality of load balancers as described above.
By the invention, when part of the load balancers in the load balancer cluster need to be upgraded or abnormal, the flow transmission between the client (user) and the actual server is not interrupted, so that the client does not sense.
Drawings
FIG. 1 illustrates a block diagram of a system for session synchronization among multiple load balancers, in accordance with an embodiment of the present invention;
FIG. 2 illustrates a scenario diagram of session synchronization among multiple load balancers, according to an embodiment of the present invention;
FIG. 3 shows a block diagram of a load balancer according to an embodiment of the invention;
FIG. 4 illustrates a flow diagram of a method of session synchronization among a plurality of load balancers, in accordance with an embodiment of the present invention;
FIG. 5 illustrates another scenario diagram for session synchronization among multiple load balancers, in accordance with an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The terms "first," "second," and the like, are used solely to distinguish one from another, do not denote any order, and are not to be construed as indicating or implying relative importance.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiments provided by the present invention can be implemented in a mobile terminal, a computer terminal, or a similar computing device (e.g., an ECU (Electronic Control Unit)), or a system. Taking a system as an example, fig. 1 is a block diagram of a hardware structure of a system for session synchronization among a plurality of load balancers according to an embodiment of the present invention. As shown in fig. 1, the system 100 may include one or more (only one shown) processors 101 (the processor 101 may include, but is not limited to, a processing device such as a central processing unit CPU, an image processor GPU, a digital signal processor DSP, a microprocessor MCU, or a programmable logic device FPGA), an input-output interface 102 for interacting with a user, a memory 103 for storing data, and a transmission device 104 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, system 100 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The input/output interface 102 may be coupled to one or more displays, touch screens, etc. for displaying data communicated from the system 100, and may also be coupled to a keyboard, stylus, touch pad, mouse, etc. for inputting user instructions such as selection, creation, editing, etc.
The memory 103 may be used to store software programs and modules of application software, for example, program instructions/modules corresponding to the method for session synchronization among a plurality of load balancers in the embodiment of the present invention, and the processor 101 executes various functional applications and data processing by running the software programs and modules stored in the memory 103, that is, implementing the above-mentioned method for session synchronization among a plurality of load balancers. The memory 103 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 103 may further include memory located remotely from the processor 101, which may be connected to the system 100 over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmitting device 104 is used to receive or transmit data via a network. Specific examples of such networks may include the internet provided by a communications provider of system 100. In the above operating environment, the present invention provides a flow chart of a method for session synchronization among a plurality of load balancers.
FIG. 2 illustrates a scenario diagram for session synchronization among multiple load balancers, according to an embodiment of the present invention. As shown in fig. 2, the load balancer cluster S1 includes a load balancer 22A, a load balancer 22B, etc., and the server cluster S2 includes a server 23A, a server 23B, etc. Hereinafter, reference numeral "22" refers to any one of the load balancers, and reference numeral "23" refers to any one of the servers.
The message sent by the client 21 is sent to a load balancer in the load balancer cluster S1, such as the load balancer 22A, and the load balancer 22A performs load balancing on the message and sends the processed message to a server (e.g., the server 23A) in the server cluster S2.
Fig. 3 shows a structure diagram of the load balancer 22 according to the embodiment of the present invention, and as shown in fig. 3, the load balancer 22 includes a receiving unit 221, a determining unit 222, a processing unit 223, and a synchronizing unit 224. Fig. 4 shows a flow diagram of a method for session synchronization among multiple load balancers, according to an embodiment of the invention.
Embodiments of the present invention are described in detail below with reference to fig. 2-4.
In this embodiment, load balancer 22A is a first load balancer, load balancer 22B is a second load balancer, and load balancer 22 in fig. 3 is, for example, load balancer 22A. in addition, there are many modes of load balancing processing, such as DR mode, NAT mode, TUN mode, FU LL NAT mode, and the like, the present invention is illustrated in NAT mode, and it is understood that the present invention is also applicable to other modes.
In step S41, the receiving unit 221 in the load balancer 22A receives the first packet transmitted from the client 21, where the first packet includes the source information of the client 21. Wherein the source information is, for example, a source IP address (S)IP) Source port (S)port) And so on.
In step S42, the determination unit 222 determines an actual server using a predetermined algorithm based on the source information. Specifically, the determination unit 222 determines one server in the server cluster S2 as the actual server, for example, the server 23A, using a predetermined algorithm such as hash, polling, minimum connection, or the like, based on the source IP address and the source port.
In step S43, the processing unit 223 performs load balancing on the first packet to obtain a second packet. The second message includes the source information and information of the server 23A, and the information of the server 23A is, for example, the IP address (R) of the server 23AIP) And port (R)port). The processing unit 223 transmits the second message to the server 23A. At this point, the client 21 has established communication with the server 23A.
After the load balancing processing is performed on the first packet, the processing unit 223 may further generate a first session, where the first session includes a correspondence between the first packet and information of the actual server. The first session is stored in the load balancer 22A when the load balancer is22A, next time the client 21 receives the message with the same flow, it can find the information of the real server 23A, i.e. the IP address (R) of the server 23A, according to the first sessionIP) And port (R)port) Without having to perform the predetermined algorithm described above.
In step S44, when a predetermined condition is satisfied, the synchronization unit 224 generates a third packet based on the second packet according to the mode of the load balancing process. Specifically, according to the mode of load balancing processing, the second packet may be modified or not modified, so as to generate a third packet, so that the third packet carries necessary information for generating a session. In this example, the NAT mode, for example, already contains the complete information for generating the session and therefore may not be modified. The third packet is then synchronized to another load balancer, such as load balancer 22B. The predetermined condition is that when the load balancer 22A needs to be upgraded or is evaluated as risky, the synchronization unit 224 sends the third packet to the load balancer 22B.
The load balancer 22B may generate a second session identical to the first session according to the received third packet, that is, the second session also includes a correspondence between the first packet and information of the actual server, and the second session is stored in the load balancer 22B, and then the load balancer 22B restores the third packet back to the second packet and forwards the second packet to the server 23A. The synchronization process does not affect the user traffic and therefore the user is unaware. In this manner, the first session in loadbalancer 22A can be synchronized into loadbalancer 22B.
When a partial load balancer (e.g., load balancer 22A) in the load balancer cluster needs to be upgraded or abnormal, the packets (traffic) sent from the same client 21 can be automatically migrated to the load balancer 22B, as shown in fig. 5. Since the first session in load balancer 22A has been synchronized into load balancer 22B as described above, server 23A can be found from the same second session in load balancer 22B as the first session and the message sent to server 23A without sending the message to other servers, such as server 23B. Therefore, there is no interruption in traffic transmission between the client 21 and the server 23A (the server 23A has established communication with the client 21), so that the client 21 is unaware.
The present invention also provides a computer-readable storage medium having instructions stored therein that, when executed, cause the computer to perform a method of session synchronization among a plurality of load balancers, the instructions comprising:
receiving an instruction, wherein a first message sent from a client comprises source information of the client;
determining an instruction, and determining an actual server by using a predetermined algorithm according to the source information;
processing instructions, namely performing load balancing processing on the first message to obtain a second message;
and a synchronous instruction, when a preset condition is met, the synchronous instruction generates a third message based on the second message according to the mode of the load balancing processing, and synchronizes the third message to another load balancer.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed terminal device. In the unit claims enumerating several terminal devices, several of these terminal devices may be embodied by one and the same item of hardware.
Claims (14)
1. A method of session synchronization among a plurality of load balancers, the plurality of load balancers including a first load balancer and a second load balancer, the method comprising:
the first load balancer receives a first message sent from a client, wherein the first message comprises source information of the client;
the first load balancer determines an actual server by using a preset algorithm according to the source information;
the first load balancer carries out load balancing processing on the first message to obtain a second message;
and when a preset condition is met, the first load balancer generates a third message based on the second message according to the mode of load balancing processing, and synchronizes the third message to the second load balancer.
2. The method of claim 1, wherein the first load balancer further generates a first session after performing load balancing processing on the first packet, and the first session includes a correspondence between the first packet and information of the real server.
3. The method of claim 2, wherein the second load balancer generates a second session that is the same as the first session based on the received third packet.
4. The method of claim 3, wherein the third message includes the source information and information of the physical server.
5. The method of claim 4, further comprising sending the third packet to the real server after the second load balancer restores the third packet back to the second packet.
6. The method of any one of claims 1-5, wherein the predetermined condition is when the first load balancer needs to be upgraded or is assessed as risky.
7. A load balancer, comprising:
the system comprises a receiving unit, a sending unit and a sending unit, wherein the receiving unit is used for sending a first message from a client, and the message comprises source information of the client;
a determining unit that determines an actual server using a predetermined algorithm according to the source information;
the processing unit is used for carrying out load balancing processing on the first message to obtain a second message;
and the synchronization unit generates a third message based on the second message according to the mode of the load balancing processing and synchronizes the third message to another load balancer when a preset condition is met.
8. The load balancer of claim 7, wherein the processing unit further generates a first session after performing load balancing processing on the first packet, and the first session includes a correspondence between the first packet and information of the real server.
9. The load balancer of claim 8, wherein the another load balancer generates a second session that is the same as the first session based on the received third packet.
10. The load balancer of claim 9, wherein the third packet contains the source information and the information of the real server.
11. The load balancer of claim 10, wherein the another load balancer restores the third packet back to the second packet and sends the restored third packet to the real server.
12. The load balancer of any one of claims 7-11, wherein the predetermined condition is when the load balancer needs to be upgraded or is assessed as risky.
13. A computer-readable storage medium having instructions stored therein that, when executed, cause the computer to perform a method of session synchronization among a plurality of load balancers, the instructions comprising:
receiving an instruction, wherein a first message sent from a client comprises source information of the client;
determining an instruction, and determining an actual server by using a predetermined algorithm according to the source information;
processing instructions, namely performing load balancing processing on the first message to obtain a second message;
and a synchronous instruction, when a preset condition is met, the synchronous instruction generates a third message based on the second message according to the mode of the load balancing processing, and synchronizes the third message to another load balancer.
14. A system, comprising:
a memory for storing instructions for execution by one or more processors of the system, an
A processor, being one of the processors of the system, for performing the method for session synchronization between a plurality of load balancers as claimed in any one of claims 1 to 6.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217735A (en) * | 2020-09-08 | 2021-01-12 | 网宿科技股份有限公司 | Information synchronization method and load balancing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150052249A1 (en) * | 2013-08-13 | 2015-02-19 | International Business Machines Corporation | Managing connection failover in a load balancer |
| CN106549875A (en) * | 2015-09-18 | 2017-03-29 | 中国移动通信集团浙江有限公司 | A kind of conversation managing method, device and load equalizer |
| CN107454155A (en) * | 2017-07-25 | 2017-12-08 | 北京三快在线科技有限公司 | A kind of fault handling method based on load balancing cluster, device and system |
| CN109510770A (en) * | 2018-12-07 | 2019-03-22 | 北京金山云网络技术有限公司 | Information synchronization method, device and processing equipment between load balancing node |
| US10484297B1 (en) * | 2015-03-16 | 2019-11-19 | Amazon Technologies, Inc. | Automated migration of compute instances to isolated virtual networks |
-
2020
- 2020-03-16 CN CN202010180209.6A patent/CN111416852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150052249A1 (en) * | 2013-08-13 | 2015-02-19 | International Business Machines Corporation | Managing connection failover in a load balancer |
| US10484297B1 (en) * | 2015-03-16 | 2019-11-19 | Amazon Technologies, Inc. | Automated migration of compute instances to isolated virtual networks |
| CN106549875A (en) * | 2015-09-18 | 2017-03-29 | 中国移动通信集团浙江有限公司 | A kind of conversation managing method, device and load equalizer |
| CN107454155A (en) * | 2017-07-25 | 2017-12-08 | 北京三快在线科技有限公司 | A kind of fault handling method based on load balancing cluster, device and system |
| CN109510770A (en) * | 2018-12-07 | 2019-03-22 | 北京金山云网络技术有限公司 | Information synchronization method, device and processing equipment between load balancing node |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217735A (en) * | 2020-09-08 | 2021-01-12 | 网宿科技股份有限公司 | Information synchronization method and load balancing system |
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Application publication date: 20200714 |