CN214959613U - Load balancing equipment - Google Patents

Abstract

The embodiment of the utility model discloses load balancing equipment. The server comprises a case, wherein a memory, a communication interface, a load balancing module, a processing module memory and a transceiver module are arranged in the case; the load balancing module comprises a BCM 5637 network chip and a BCM5464R gigabit PHY chip, the transceiver module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip; the transceiver module is coupled with the communication interface and the load balancing module, and the communication interface is coupled with the external terminal equipment; the load balancing module is coupled with the processing module; the processing module is coupled to the memory storage and the transceiver module. The device can make full use of hardware resources and reduce cost.

Description

Load balancing equipment

Technical Field

The utility model relates to the field of communication technology, in particular to load balancing equipment.

Background

With the development of technology, more and more data are available in the network, the computing power of a single server cannot meet the actual demand, and the load balancing technology is applied. Load balancing is built on the existing network structure, and provides a cheap, effective and transparent method to expand the bandwidth of network equipment and servers, increase throughput and strengthen network data processing capacity.

A common load balancing technology is a LVS (Linux Virtual Server), which is a Virtual Server cluster system and adopts a three-layer structure, where a first layer is used to place a load balancing device to receive a request initiated by a terminal and forward the request to a service processing device of a second layer, and the service processing device of the second layer is used to process the request of a client, and meanwhile, the service processing device is also applied to a data resource stored in a storage device of the third layer. On one hand, however, in the architecture, more levels need to be set, and each multi-level needs to be configured with corresponding equipment, so that a large number of equipment needs to be consumed, and the cost is high; on the other hand, in practical situations, it is usually necessary to configure a standby device to solve the problem of single point of failure, which requires a larger number of devices to be configured, and also results in higher cost. Moreover, each device is responsible for executing one task, for example, the load balancing device is only used for executing the load balancing task, and hardware resources on the device are not fully utilized, which may result in waste of hardware resources.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a load balancing equipment can make full use of the hardware resources of equipment, reduces load balancing's cost.

In particular, the amount of the solvent to be used,

according to a first aspect of the present application, the present invention provides a load balancing apparatus, comprising a server, wherein the server comprises a chassis, and a memory, a communication interface, a load balancing module, a processing module, and a transceiver module are arranged in the chassis; the load balancing module comprises a BCM 56336 network chip and a BCM5464R gigabit PHY chip, the transceiving module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip;

the receiving and sending module is respectively coupled with the communication interface and the load balancing module, and is used for receiving a service signal sent by external terminal equipment through the communication interface and sending the service signal to the load balancing module, and the communication interface is coupled with the external terminal equipment;

the load balancing module is coupled with the processing module and used for receiving the service signal sent by the transceiving module and sending the service signal to the processing module;

the processing module is respectively coupled with the memory and the transceiver module and is used for processing the received service signal and sending a processing result to the transceiver module and the memory;

the memory is used for storing the processing result;

the transceiver module is used for sending the processing result to the external terminal device through the communication interface.

According to a second aspect of the present application, the present invention provides another load balancing apparatus, which includes a plurality of servers, each server includes a chassis, and a memory, a communication interface, a transceiver module, a load balancing module, and a processing module are disposed in the chassis; the load balancing module comprises a BCM 56336 network chip and a BCM5464R gigabit PHY chip, the transceiving module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip; each server is also provided with an election module which is respectively coupled with the transceiver module, the load balancing module and the processing module arranged on the server;

the receiving and sending module is respectively coupled with the communication interface and the load balancing module, and is used for receiving a service signal sent by external terminal equipment through the communication interface and sending the service signal to the load balancing module, and the communication interface is coupled with the external terminal equipment; the system is also used for receiving election signals sent by other servers through the communication interface and sending the election signals to an election module on the server;

the election module is used for processing the election signal;

when the processing result is a first processing result, the election module sends a load task signal to a transceiver module and a load balancing module of the server, and after receiving the load task signal, the transceiver module sends a service signal sent by external terminal equipment to the load balancing module on the server through the communication interface;

the load balancing module is coupled with the processing module and is used for receiving the service signal sent by the transceiver module and the load task signal sent by the election module, after receiving the load task signal, carrying out load balancing processing on the received service signal to obtain a server for processing the service signal, and sending the service signal to the server for processing the service signal through the transceiver module;

the processing module of the server for processing the service signal is respectively coupled with the memory of the server and the transceiver module of the server, and is used for processing the received service signal and sending a processing result to the transceiver module of the server, so that the transceiver module sends the processing result to the external terminal device through the communication interface of the server, and the memory of the server stores the processing result.

Optionally, the server for processing the service signal is another server except the server;

optionally, when the processing result is the second processing result, the election module sends the processing task signal to the transceiver module and the processing module of the server, and after receiving the processing task signal, the transceiver module sends the service signal received from the external terminal device through the communication interface to the processing module on the server.

Optionally, each server may further be provided with a fault detection module, and the fault detection module is respectively coupled to the transceiver module, the load balancing module, and the processing module on the server; when the processing result of the election signal on the server is a first processing result, the fault detection module is used for sending a fault processing signal to the transceiver module after detecting a first fault signal of the load balancing module on the server; and after receiving the fault processing signal, the transceiver module processes a service signal sent by the external terminal equipment according to the fault processing signal.

Optionally, the processing the service signal sent by the external terminal device according to the fault processing signal includes: sending the service signal sent by the external terminal equipment to a processing module of the server for processing; or caching the service signal sent by the external terminal and storing the service signal in the DRAM, and after other servers obtain the server with the processing result being the first processing result based on the election signal, extracting the cached service signal from the DRAM and sending the service signal to the server through the communication interface.

Optionally, when the processing result of the election signal on the server is the second processing result, the fault detection module is further configured to send the second fault signal to the transceiver module after receiving the second fault signal of the processing module on the server; and after receiving the second fault signal, the transceiver module sends the second fault signal to a server with an election signal processing result being a first processing result through the communication interface, so that after receiving the second fault signal, a load balancing module on the server with the processing result being the first processing result sends a service signal from external terminal equipment to other servers except the fault server.

Optionally, when the server is a WEB server, the fault detection module receives the first fault signal through an 80 port; when the server is an SSH server, the failure detection module receives the first failure signal through a 22-port.

Optionally, the transceiver module is configured with a virtual IP address, and is coupled to an external terminal device through the virtual IP address.

Optionally, the server is a Linux server.

According to the above technical scheme, the utility model has the advantages of it is following:

on the one hand, load balancing equipment can possess communication interface, load balancing module, processing module and memory, and a minimum accessible equipment is provided service outward, can greatly reduced cost to also the hardware resources of every equipment of make full use of. In addition, load balancing equipment can be at least through two equipment in order to solve single-point trouble problem, also can greatly reduced cost.

Drawings

FIG. 1 is a schematic diagram of a load balancing apparatus shown in an exemplary embodiment of the present application;

fig. 2 is a schematic diagram of another load balancing apparatus according to an exemplary embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the specification, as detailed in the appended claims.

The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present specification. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The embodiment of the utility model discloses load balancing equipment, please refer to fig. 1, and fig. 1 is a schematic diagram of load balancing equipment that an exemplary embodiment of this application shows. The load balancing of this embodiment may only include one server, for example, the server is a Linux server, the server may include a chassis, and a communication interface, a load balancing module, a processing module, a memory, and a transceiver module may be disposed in the chassis. The load balancing module comprises a BCM 56336 network chip and a BCM5464R gigabit PHY chip, the transceiver module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip.

As shown in fig. 1, the transceiver module is coupled to the communication interface and the load balancing module, respectively, and is configured to receive a service signal sent by an external terminal device through the communication interface and send the service signal to the load balancing module. The service signal may be any service-related signal, and is not particularly limited. The communication interface may be communicatively coupled to an external terminal device (e.g., a user's cell phone, computer), etc., including a wired connection and/or a wireless connection. The load balancing module is coupled to the processing module and is used for forwarding the received service signal to the processing module. The processing module is coupled with the transceiver module and the memory and is used for processing the received service signal to obtain a processing result, then sending the processing result to the memory for storage and sending the processing result to the transceiver module. Of course, when the processing module processes the service signal, the processing module may also obtain the resources required to be used in the processing process from the memory. After receiving the processing result, the transceiver module may send the processing result to the external terminal device through the communication interface.

After the processing module sends the processing result to the memory, the processing module can wait for the memory to return a signal of successful storage and then send the processing result to the transceiver module, so that the transceiver module sends the processing result to the external terminal device. Of course, the processing module does not have to wait for the memory to return a signal of successful storage, but can directly send the processing result to the transceiver module, and can specifically process according to the actual service scenario.

As can be seen from the above description, in an embodiment of the present application, a load balancing device may be provided, where the load balancing device may only include one server, and the server may be provided with a transceiver module, a load balancing module, a processing module, a memory, and a communication interface, so that a load balancing function may be implemented by the server, which may greatly reduce device cost, and meanwhile, the server may further have a memory, store corresponding resources by the memory, and may also fully utilize hardware resources of the device, which may greatly reduce resource waste compared with the prior art.

Another load balancing apparatus provided in the present application is described below.

Referring to fig. 2, fig. 2 is a schematic diagram of another load balancing apparatus according to an exemplary embodiment of the present application. It should be noted that fig. 2 does not show all the connection modes of each module, and only shows an exemplary reference, and the non-labeled parts can refer to the foregoing embodiments. In the embodiment shown in fig. 2, a communication interface is not labeled, and actually, the transceiver module communicates with an external device through the communication interface, which may specifically refer to the foregoing embodiment.

In this embodiment, the load balancing device may include 3 servers, which are a server a, a server B, and a server C, respectively, where the 3 servers may be Linux servers. Of course, in other embodiments, other numbers of servers may be included, and are not particularly limited.

Each server may be provided with the transceiver module, the load balancing module, the processing module and the memory described in the foregoing embodiments, and in addition to these modules, each server may also be provided with an election module and a fault detection module. The details will be described below.

In this embodiment, the transceiver modules on the servers are coupled to each other, and may send election signals periodically to each other, where the election signals may be VRRP (Virtual Router Redundancy Protocol) messages, and when the transceiver module on any server receives the election signals, the transceiver module may send the election signals to the election module of its own server, and the election module may process the election signals to obtain a processing result. For example, the election module may determine its own priority according to the election signal, and determine different tasks of its own server according to different priorities.

When the processing result is the first processing result, the election module may send a load task signal to the transceiver module and the load balancing module of the server. The first processing result may be a high priority.

Referring to fig. 2, assuming that the election module a of the server a determines that its own priority is a high priority, the election module a may send a load task signal to the transceiver module a and the load balancing module a of the server, and after receiving the load task signal, the transceiver module a may configure a virtual IP address, and then the external terminal device may set a target IP address of the service signal as the virtual IP address, and then send the service signal to the transceiver module a.

Then, the transceiver module a may send a service signal sent by the external terminal device to the load balancing module a of the server, and after receiving the load task signal, the load balancing module a may perform load balancing processing on the received service signal to obtain a processing server for processing the service signal (specifically, the process of obtaining the processing server may refer to a load balancing method in the related art, which is not particularly limited in this application), and then send the service signal to the processing server through the transceiver module a of the server, and the processing server may be another server except the server, and the processing server may process the service signal, and the specific processing process may refer to the following example of the server B.

When the processing result is the second processing result, the election module may send a processing task signal to the transceiver module and the load balancing module of the server. The second processing result may be a low priority.

With reference to fig. 2, it is assumed that the election module B of the server B determines that its own priority is a low priority, the election module B may send a processing task signal to the transceiver module B and the processing module B of the server, and after receiving the processing task signal, the transceiver module B may send the received service signal to the processing module B on the server for processing. The traffic signal received by the transceiver module b may be sent by a server with load balancing capability, such as the server a in the above example.

The processing module B of the server B can then process the service signal, and then send the processing result to the memory B of the server for storage. Preferably, the transceiver modules between the servers may also transmit processing results to each other (not shown), and may also store the received processing results in a memory on the server, so as to synchronize data on the servers. Of course, in addition to synchronizing the processing result, other data may also be synchronized, specifically, file synchronization may be opened, or database synchronization may also be opened, which is not limited specifically. Moreover, the processing module B of the server B may also send the processing result to the transceiver module a of the server, and then the transceiver module a may send the processing result to the external terminal device.

It should be noted that, in the above example of load balancing, the server a is used for the load balancing function, that is, only the function of the load balancing module a (shown by a solid line frame in fig. 2) is enabled, and the function of the processing module a (shown by a dashed line frame in fig. 2) is not enabled, but this does not mean that the server a only has the load balancing module a and does not have the processing module a. Similarly, server B may also enable the function of load balancing module B when processing module B fails. In addition, in this embodiment, the number of servers for load balancing and the number of servers for processing traffic signals in the load balancing device at the same time are not particularly limited.

In addition, in the above example, the first processing result is of high priority, and the second processing result is of low priority, which is also an illustrative example.

In this embodiment, a server executing a load balancing task may receive a service signal initiated by an external terminal device through a transceiver module on the server, and then the transceiver module may forward the service signal to the load balancing module on the server, and the load balancing module may determine to send the service signal to other servers executing service processing for processing. For example, the priority information may be sent to a server with the highest priority for processing, and reference may be made to related technologies, which are not described herein.

Preferably, the server performing the load balancing task may further detect whether each server performing the service processing fails, so as to avoid sending the service signal to the failed server. Specifically, whether other servers have faults or not can be detected through a fault detection module on the server.

For example, in the network layer, the failure detection module may send a detection signal (not shown) to another server, where the detection signal may be an ICMP (Internet Control Message Protocol) packet, and if a return packet of a certain server cannot be received, it may be determined that the server has a failure.

For another example, in the transport layer, the port connection and scanning technology of the TCP (Transmission Control Protocol) Protocol may be used to determine whether the ports of other servers are normal. For example, when the server is a WEB server, the failure detection module may determine whether a failure occurs through the 80 port; when the server is an SSH server, the failure detection module may determine whether a failure occurs through the 22 ports, and if it is detected that the ports do not respond with data, it may be determined that the ports are abnormal and cannot communicate with the corresponding servers.

For another example, at the application layer, the failure detection module may also execute an HTTP GET on a specified URL (Uniform Resource Locator), and then sum the HTTP GET results using the MD5 algorithm, and if the total sum does not match the expected value, determine that a failure has occurred.

In this embodiment, the server executing the load balancing device may delete the server that has failed to process the service from the forwarding table of the load balancing device, and then may not send the service signal to these failed servers.

In this embodiment, in addition to the failure detection module being configured on the server that executes the load balancing task, the other servers may also be configured with the failure detection module, and the module may detect whether the server that executes the service processing fails or not, and may also detect whether the server fails or not.

In one example, when the server is used to perform a load balancing task, such as server a, the failure detection module a may detect whether the load balancing module on the server a fails.

Specifically, when the server a fails, the transceiver modules B and C on the servers B and C will not receive the election signal sent by the server a any more, when the duration of time that the transceiver modules B and C do not receive the election signal reaches the threshold, the servers B and C can determine that the server a fails, the servers B and C can continue to send the election signal to each other and elect a new server for load balancing, for example, the server C is elected as a new server for load balancing, the server a will not receive the service signal sent by the external terminal device any more in the next period of time, when the transceiver module a detects that the duration of time that the terminal signal is not received reaches the duration threshold, the transceiver module a sends a first fault detection signal to the fault detection module a that can send the server, and after the fault detection module a receives the first fault detection signal, it can be determined that the load balancing module a of the server fails.

In an embodiment, after the server a determines that the load balancing module a of the server has a fault, the fault detection module a may send a first fault processing signal (not shown) to the transceiver module, and after receiving the first fault processing signal, the transceiver module a may send a service signal sent by the external terminal device to the processing module a on the server for processing (not shown).

By adopting the method, even if the load balancing module on the server breaks down, the processing module on the server can process the service signal sent by the external terminal equipment, so that the problems of poor user experience caused by incapability of processing the service signal and packet loss can be avoided, and the service signal processing efficiency is improved.

In another embodiment, after the server a determines that the load balancing module a of the server has a fault, the fault detection module a may send a second fault processing signal (not shown) to the transceiver module, and after the transceiver module a receives the second fault processing signal, the service signal sent by the external terminal may also be buffered, for example, may be buffered in a DRAM, and of course, the service signal may also be persisted from the DRAM to the SSD when necessary. The buffered traffic signals may then be extracted from the DRAM after waiting for another server to re-elect to obtain a server for load balancing (e.g., server C), and then sent to server C (not shown) for processing by server C.

In another example, when the server is used for processing a traffic signal, such as server B, the failure detection module B may detect a second failure signal of the processing module B on the server B. For a specific method for detecting the second failure signal, reference may be made to the foregoing embodiments and related technologies, which are not described herein again.

In this embodiment, after detecting that the failure of the server is eliminated, the server having the failure may recover the priority of the server, and reuse the priority of the server after recovery for load balancing or processing the service signal.

As can be seen from the above description, in an embodiment of the present application, the load balancing apparatus may include a plurality of servers, each server may have a transceiver module, a load balancing module, a processing module and a memory, and each server may further have an election module and a failure detection module, and when a certain server fails, each server may reselect to find another server to implement the function of the failed server.

By adopting the method, when one server can execute both the load balancing task and the service processing task, the problem of single-point failure can be solved by 2 servers at least, even if one server fails, the other server can be adopted to realize related functions, and the number of equipment can be greatly reduced. In order to solve the load balancing problem, one server may be added on the basis of the 2 servers, so that 1 server may be used for load balancing, and 2 servers are used for apportionment processing of service signals initiated by external terminal equipment, so that load balancing may be achieved by at least 3 servers, and the load of each server is reduced by shunting. However, because the prior art has a 3-layer structure, if the problem of single point of failure is to be solved, each layer of structure needs to include at least 2 servers, that is, at least 6 servers in total. The whole is a set of cluster framework with high availability, self-adaptation, external transparency (no difference between single machine and cluster), high encapsulation degree, low implementation cost and high resource utilization rate

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes in the details of implementation and application may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A load balancing device comprises a server and is characterized in that the server comprises a case, wherein a memory, a communication interface, a load balancing module, a processing module and a transceiver module are arranged in the case; the load balancing module comprises a BCM 56336 network chip and a BCM5464R gigabit PHY chip, the transceiving module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip;

the receiving and sending module is respectively coupled with the communication interface and the load balancing module, and is used for receiving a service signal sent by external terminal equipment through the communication interface and sending the service signal to the load balancing module, and the communication interface is coupled with the external terminal equipment;

the load balancing module is coupled with the processing module and used for receiving the service signal sent by the transceiving module and sending the service signal to the processing module;

the processing module is respectively coupled with the memory and the transceiver module and is used for processing the received service signal and sending a processing result to the transceiver module and the memory;

the memory is used for storing the processing result;

the transceiver module is used for sending the processing result to the external terminal device through the communication interface.

2. A load balancing device is characterized by comprising a plurality of servers, wherein each server comprises a case, and a memory, a communication interface, a transceiver module, a load balancing module and a processing module are arranged in each case; the load balancing module comprises a BCM 56336 network chip and a BCM5464R gigabit PHY chip, the transceiving module comprises a 1000MRJ45 port, an SFP gigabit optical fiber port and an SFP + ten gigabit optical fiber port, and the memory comprises a FLASH chip and a DRAM chip; each server is also provided with an election module which is respectively coupled with the transceiver module, the load balancing module and the processing module arranged on the server;

the receiving and sending module is respectively coupled with the communication interface and the load balancing module and is used for receiving a service signal sent by external terminal equipment through the communication interface, and the communication interface is coupled with the external terminal equipment; the system is also used for receiving election signals sent by other servers through the communication interface and sending the election signals to an election module on the server;

the election module is used for processing the election signal;

when the processing result is a first processing result, the election module sends a load task signal to a transceiver module and a load balancing module of the server, and after receiving the load task signal, the transceiver module sends a service signal sent by external terminal equipment to the load balancing module on the server through the communication interface;

the load balancing module is coupled with the processing module and is used for receiving the service signal sent by the transceiver module and the load task signal sent by the election module, after receiving the load task signal, carrying out load balancing processing on the received service signal to obtain a server for processing the service signal, and sending the service signal to the server for processing the service signal through the transceiver module;

the processing module of the server for processing the service signal is respectively coupled with the memory of the server and the transceiver module of the server, and is used for processing the received service signal and sending a processing result to the transceiver module of the server and the memory of the server, so that the transceiver module sends the processing result to the external terminal equipment through the communication interface of the server, and the memory stores the processing result.

3. The apparatus of claim 2, wherein the server for processing the service signal is a server other than the server.

4. The apparatus of claim 2,

and when the processing result is a second processing result, the election module sends a processing task signal to the transceiver module and the processing module of the server, and after receiving the processing task signal, the transceiver module sends a service signal received from the external terminal device through the communication interface to the processing module on the server.

5. The device according to any one of claims 2-4, wherein each server is further provided with a fault detection module, and the fault detection module is respectively coupled with the transceiver module, the load balancing module and the processing module on the server;

when the processing result of the election signal on the server is a first processing result, the fault detection module is used for sending a fault processing signal to the transceiver module after detecting a first fault signal of the load balancing module on the server;

and after receiving the fault processing signal, the transceiver module processes a service signal sent by the external terminal equipment according to the fault processing signal.

6. The device according to claim 5, wherein the transceiver module, after receiving the fault handling signal, is specifically configured to: sending the service signal sent by the external terminal equipment to a processing module of the server for processing; or

And caching the service signal sent by the external terminal, storing the service signal in the DRAM, extracting the cached service signal from the DRAM after other servers obtain the server with the processing result being the first processing result based on the election signal, and sending the service signal to the server through the communication interface.

7. The apparatus of claim 5,

when the processing result of the election signal on the server is a second processing result, the fault detection module is further configured to send a second fault signal to the transceiver module after receiving the second fault signal of the processing module on the server;

and after receiving the second fault signal, the transceiver module sends the second fault signal to a server with an election signal processing result being a first processing result through the communication interface, so that after receiving the second fault signal, a load balancing module on the server with the processing result being the first processing result sends a service signal from external terminal equipment to other servers except the fault server.

8. The apparatus of claim 5,

when the server is a WEB server, the fault detection module receives the first fault signal through an 80 port;

when the server is an SSH server, the failure detection module receives the first failure signal through a 22-port.

9. The device of claim 2, wherein the transceiver module is configured with a virtual IP address through which to couple with an external end device.

10. The apparatus of claim 2, wherein the server is a Linux server.

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