System and implementation method based on load balancing and port aggregation

Abstract

The invention discloses a system and an implementation method based on load balancing and port aggregation, and belongs to the technical field of communication, and the system comprises a load balancer which is responsible for receiving a client request and distributing the request to a back-end server according to a certain algorithm; the link aggregation controller is used for managing data flows among the plurality of physical ports and realizing link redundancy and load sharing; and the back-end service layer is composed of a plurality of servers. Requests are distributed to a plurality of back-end servers through the load balancer, the continuity of the whole service is not affected even if a certain server breaks down, meanwhile, link redundancy is achieved through the link aggregation technology, the system can continue working through other links even if a certain physical link fails, and the service efficiency is improved. And the stability and the reliability of the system are greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a system and implementation method based on load balancing and port aggregation. Background Art

[0002] With the continuous growth of Internet services and the sharp increase in the number of users, network traffic management and optimization have become increasingly important. Traditional network architectures often face problems such as bandwidth limitations, single point failure risks, and network congestion, which seriously affect the stability of network services and user experience. Especially in high-traffic application scenarios such as online games, video streaming, and large-scale online transaction processing, a single server or a single link can hardly meet the growing data processing needs.

[0003] Although existing load balancing technologies can disperse network traffic to a certain extent, they often lack effective port aggregation management, resulting in inefficient distribution of data flows on physical links and inability to fully utilize all available network resources. In addition, when network equipment or servers fail, existing systems often require manual intervention to perform failover and recovery, which not only increases operation and maintenance costs, but also affects system reliability and response speed.

[0004] Therefore, in order to significantly improve the throughput, reliability and flexibility of the network through intelligent traffic management and link aggregation technology, while reducing operation and maintenance costs and improving the automation level of the system, a load balancing and port aggregation system and implementation method are proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a system and implementation method based on load balancing and port aggregation, so as to solve the problem proposed in the above background technology that although the existing load balancing technology can disperse network traffic to a certain extent, it often lacks effective port aggregation management, resulting in inefficient distribution of data streams on physical links and inability to fully utilize all available network resources, which increases operation and maintenance costs and affects the reliability and response speed of the system.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a system and implementation method based on load balancing and port aggregation, the system comprising: a load balancer, the load balancer is responsible for receiving client requests and allocating the requests to back-end servers according to a certain algorithm; a link aggregation controller, the link aggregation controller manages the data flow between multiple physical ports to achieve link redundancy and load sharing; a back-end service layer, the back-end service layer is composed of multiple servers, each server runs the same application; a network infrastructure, the network infrastructure is used to connect the front end and the back end, provides high-speed data exchange capabilities, and is responsible for external network communication and performs NAT conversion;

[0007] As a further preferred embodiment of the present technical solution: the load balancer includes:

[0008] The request receiving unit is responsible for receiving the client request and passing the request to the algorithm selection unit;

[0009] An algorithm selection unit selects a suitable algorithm according to a preset load balancing strategy;

[0010] A request distribution unit distributes requests to backend servers according to a selected algorithm;

[0011] The request receiving unit supports multiple network protocols and is connected to the algorithm selecting unit and the request allocating unit;

[0012] As a further preferred embodiment of the present technical solution: the link aggregation controller includes:

[0013] Link aggregation management unit, which manages the binding of multiple physical ports and implements link aggregation through the LACP protocol;

[0014] Traffic management unit, which monitors the total traffic after link aggregation and dynamically adjusts the allocation of data flows according to traffic conditions;

[0015] As a further preferred embodiment of the present technical solution: the backend service layer includes:

[0016] Application server clusters, which consist of multiple servers, each running the same application;

[0017] Resource management unit, which monitors and manages resources in the server cluster;

[0018] The load sensing unit collects and analyzes the load status of each server in the cluster and feeds the information back to the load balancer;

[0019] The resource management unit is connected to the application server cluster and the load sensing unit to ensure the effective use of resources;

[0020] As a further preferred embodiment of the present technical solution: a core switch connects the front-end access layer and the back-end service layer to provide high-speed data exchange capability;

[0021] Edge routers handle external network communications and perform NAT translation;

[0022] The routing management unit maintains the routing table, ensures the correct routing of data packets, and supports dynamic routing protocol balancing and port aggregation system and implementation method, characterized in that: the network infrastructure includes a core switch, an edge router and a routing management unit, the core switch supports link aggregation function, and is connected to the edge router and the routing management unit;

[0023] As a further preferred embodiment of the present technical solution: the implementation method comprises the following steps:

[0024] S1, initialization configuration, ensures that the initial configuration of each component of the system is correct, laying the foundation for subsequent operations;

[0025] S2, configure the load balancing strategy, set the load balancer strategy so that it can reasonably distribute requests according to demand;

[0026] S3, configure link aggregation to achieve link redundancy and load sharing;

[0027] S4, monitoring and maintenance, start the system and monitor it;

[0028] As a further preferred embodiment of the technical solution: S1 performs basic configuration on the load balancer, link aggregation controller, backend service layer and network infrastructure to ensure that all network devices and servers are correctly connected and the corresponding software and hardware configurations are ready; S2 configures the load balancer, selects a load balancing algorithm suitable for the current application scenario, determines a list of backend servers, and sets them on the load balancer to implement a health check mechanism to ensure that only healthy servers receive new requests;

[0029] As a further preferred embodiment of the technical solution: S3 enables the LACP protocol on the link aggregation controller, binds multiple physical ports into one logical port, configures the traffic management unit, monitors the total traffic after link aggregation, and dynamically adjusts the distribution of data flows according to the traffic situation, confirms that the core switch supports the link aggregation function, and is correctly connected with the edge router and the routing management unit;

[0030] As a further preferred embodiment of the present technical solution: the S4 starts all components, including the load balancer, the link aggregation controller, the backend service layer and the network infrastructure, uses the logging and monitoring unit to collect the system operation log, monitors the key performance indicators, and sets an alarm mechanism so that problems can be discovered and handled in time when the system has problems;

[0031] As a further preferred embodiment of the present technical solution: the system also includes an automated operation and maintenance unit for realizing automatic deployment, fault recovery and capacity expansion of the system, thereby reducing manual intervention.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] 1. In the present invention, the load balancer is used to distribute requests to multiple backend servers. Even if a server fails, the continuity of the overall service will not be affected. At the same time, the link aggregation technology realizes link redundancy. Even if a physical link fails, the system can continue to work through other links, which greatly improves the stability and reliability of the system.

[0034] 2. The resource management unit in the present invention can monitor the server resource usage in the backend service layer in real time, and dynamically adjust the resource allocation strategy according to the information fed back by the load sensing unit to ensure that each server can be fully utilized and avoid resource waste;

[0035] 3. The link aggregation controller binds multiple physical ports into one logical port through the LACP protocol to achieve link load sharing. The traffic management unit dynamically adjusts according to the real-time traffic situation to ensure that the data flow is evenly distributed among the aggregation ports, thereby improving the utilization of network bandwidth;

[0036] 4. The health check mechanism ensures that only healthy servers receive new requests, ensuring the quality of service. The session persistence function ensures that requests from the same user are directed to the same backend server, improving the user experience.

[0037] 5. The automated operation and maintenance unit can realize automatic deployment, fault recovery and capacity expansion of the system, reducing the need for manual intervention and making system operation and maintenance simpler and more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The present invention is a structural schematic diagram of a load balancing and port aggregation system and an implementation method thereof. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example

[0041] See also Figure 1 As shown, the present invention provides a technical solution: a system and implementation method based on load balancing and port aggregation, characterized in that: the system includes:

[0042] Load balancer, which is responsible for receiving client requests and assigning them to backend servers based on a certain algorithm;

[0043] Link aggregation controller: The link aggregation controller manages the data flow between multiple physical ports to achieve link redundancy and load sharing;

[0044] Backend service layer, which consists of multiple servers, each of which runs the same application;

[0045] Network infrastructure: Network infrastructure is used to connect the front-end and back-end, provide high-speed data exchange capabilities, and is responsible for external network communications and performs NAT conversion.

[0046] In this embodiment, specifically: the load balancer includes:

[0047] The request receiving unit is responsible for receiving the client request and passing the request to the algorithm selection unit;

[0048] An algorithm selection unit selects a suitable algorithm according to a preset load balancing strategy;

[0049] A request distribution unit distributes requests to backend servers according to a selected algorithm;

[0050] The request receiving unit supports multiple network protocols and is connected to the algorithm selecting unit and the request distributing unit.

[0051] In this embodiment, specifically: the link aggregation controller includes:

[0052] Link aggregation management unit, which manages the binding of multiple physical ports and implements link aggregation through the LACP protocol;

[0053] The traffic management unit monitors the total traffic after link aggregation and dynamically adjusts the distribution of data flows according to the traffic conditions.

[0054] In this embodiment, specifically: the backend service layer includes:

[0055] Application server clusters, which consist of multiple servers, each running the same application;

[0056] Resource management unit, which monitors and manages resources in the server cluster;

[0057] The load sensing unit collects and analyzes the load status of each server in the cluster and feeds the information back to the load balancer;

[0058] The resource management unit is connected to the application server cluster and the load sensing unit to ensure the effective utilization of resources.

[0059] In this embodiment, specifically: the core switch connects the front-end access layer and the back-end service layer to provide high-speed data exchange capability;

[0060] Edge routers handle external network communications and perform NAT translation;

[0061] The routing management unit maintains the routing table, ensures the correct routing of data packets, and supports dynamic routing protocol balancing and port aggregation system and implementation method, which is characterized by: the network infrastructure includes a core switch, an edge router and a routing management unit, the core switch supports link aggregation function, and is connected to the edge router and the routing management unit.

[0062] In this embodiment, the specific implementation method includes the following steps:

[0063] S1, initialization configuration, ensures that the initial configuration of each component of the system is correct, laying the foundation for subsequent operations;

[0064] S2, configure the load balancing strategy, set the load balancer strategy so that it can reasonably distribute requests according to demand;

[0065] S3, configure link aggregation to achieve link redundancy and load sharing;

[0066] S4, Monitoring and Maintenance, starts the system and monitors it.

[0067] In this embodiment, specifically: S1 performs basic configuration on the load balancer, link aggregation controller, backend service layer and network infrastructure to ensure that all network devices and servers are correctly connected and the corresponding software and hardware configurations are ready; S2 configures the load balancer, selects a load balancing algorithm suitable for the current application scenario, determines the list of backend servers, and sets them on the load balancer, implements a health check mechanism to ensure that only healthy servers receive new requests; S1 specifically includes: Hardware preparation: Select network devices that support link aggregation (such as switches and server network cards) and ensure that they support the 802.3ad standard; Software installation: Install and configure load balancing software (such as HAProxy or Nginx) on the load balancer, and install necessary service software on the server; Network planning: Plan the network topology, determine which ports will be aggregated together, and configure the same VLANID for these ports; Initialization configuration: Enable LACP mode on the switch and configure network card bonding on the server to ensure that the same mode (such as active-backup or balance-xor) is used;

[0068] S2 specifically includes: listen port: configure the listen port on the load balancer to specify the type of traffic to be received; set the backend server: add the IP address and port number of the backend server to the configuration file of the load balancer; select the load balancing algorithm: select the appropriate load balancing algorithm according to business needs, such as round-robin, least connections or IP hash; health check configuration: set the health check mechanism to ensure that only healthy servers will receive new connections.

[0069] In this embodiment, specifically: S3 enables the LACP protocol on the link aggregation controller, binds multiple physical ports into one logical port, configures the traffic management unit, monitors the total traffic after link aggregation, and dynamically adjusts the distribution of data streams according to the traffic conditions, confirms that the core switch supports the link aggregation function, and is correctly connected to the edge router and the routing management unit, specifically including: creating an aggregation group: creating an aggregation port (port-channel) on the switch; connecting physical ports: connecting multiple physical ports of the server to the aggregation port of the switch; configuring the aggregation mode: configuring the network card binding mode on the server side, such as 802.3ad dynamic link aggregation; testing link aggregation: verifying whether the aggregation is working properly to ensure that data can be evenly distributed among all member ports.

[0070] In this embodiment, specifically: S4 starts all components, including the load balancer, link aggregation controller, backend service layer and network infrastructure, uses the logging and monitoring unit to collect system operation logs, monitors key performance indicators, and sets an alarm mechanism so that problems can be discovered and handled in a timely manner when the system has problems; specifically includes: starting the system: starting all servers in sequence, and confirming that the load balancer and link aggregation controller are in working condition; deploying monitoring tools: installing performance monitoring tools (such as Prometheus and Grafana) to collect system operation data; setting an alarm mechanism: configuring alarm thresholds so that the administrator can be notified in a timely manner when the system has abnormalities; regular inspection and optimization: regularly check the status of the load balancer and link aggregation, adjust the configuration parameters as needed, and optimize system performance.

[0071] In this embodiment, specifically: the system also includes an automated operation and maintenance unit, which is used to achieve automatic deployment, fault recovery and capacity expansion of the system, thereby reducing manual intervention.

[0072] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A system and implementation method based on load balancing and port aggregation, characterized in that: The system comprises: A load balancer is responsible for receiving client requests and allocating the requests to backend servers according to a certain algorithm; A link aggregation controller, which manages data flows between multiple physical ports to achieve link redundancy and load sharing; A backend service layer, which is composed of multiple servers, each server running the same application; The network infrastructure is used to connect the front end and the back end, provide high-speed data exchange capabilities, and is responsible for external network communications and performs NAT conversion.

2. A load balancing and port aggregation system and implementation method according to claim 1, characterized in that: The load balancer comprises: The request receiving unit is responsible for receiving the client request and passing the request to the algorithm selection unit; An algorithm selection unit selects a suitable algorithm according to a preset load balancing strategy; A request distribution unit distributes requests to backend servers according to a selected algorithm; The request receiving unit supports multiple network protocols and is connected to the algorithm selecting unit and the request allocating unit.

3. A load balancing and port aggregation system and implementation method according to claim 2, characterized in that: The link aggregation controller comprises: Link aggregation management unit, which manages the binding of multiple physical ports and implements link aggregation through the LACP protocol; The traffic management unit monitors the total traffic after link aggregation and dynamically adjusts the distribution of data flows according to the traffic conditions.

4. A load balancing and port aggregation system and implementation method according to claim 3, characterized in that: The backend service layer includes: Application server clusters, which consist of multiple servers, each running the same application; Resource management unit, which monitors and manages resources in the server cluster; The load sensing unit collects and analyzes the load of each server in the cluster and feeds the information back to the load balancer; The resource management unit is connected with the application server cluster and the load sensing unit to ensure the effective use of resources.

5. The load balancing and port aggregation system and implementation method according to claim 5, characterized in that: The network infrastructure includes: Core switches connect the front-end access layer and the back-end service layer, providing high-speed data exchange capabilities; Edge routers handle external network communications and perform NAT translation; The routing management unit maintains the routing table, ensures the correct routing of data packets, and supports dynamic routing protocol balancing and port aggregation system and implementation method, characterized in that: the network infrastructure includes a core switch, an edge router and a routing management unit, the core switch supports link aggregation function, and is connected to the edge router and the routing management unit.

6. A load balancing and port aggregation system and implementation method according to claim 5, characterized in that: The implementation method comprises the following steps: S1, initialization configuration, ensures that the initial configuration of each component of the system is correct, laying the foundation for subsequent operations; S2, configure the load balancing strategy, set the load balancer strategy so that it can reasonably distribute requests according to demand; S3, configure link aggregation to achieve link redundancy and load sharing; S4, Monitoring and Maintenance, starts the system and monitors it.

7. A load balancing and port aggregation system and implementation method according to claim 6, characterized in that: The S1 performs basic configuration on the load balancer, link aggregation controller, backend service layer and network infrastructure to ensure that all network devices and servers are correctly connected and the corresponding software and hardware configurations are ready. The S2 configures the load balancer, selects a load balancing algorithm suitable for the current application scenario, determines the list of backend servers, and sets them on the load balancer, and implements a health check mechanism to ensure that only healthy servers receive new requests.

8. A load balancing and port aggregation system and implementation method according to claim 7, characterized in that: The S3 enables the LACP protocol on the link aggregation controller, binds multiple physical ports into one logical port, configures the traffic management unit, monitors the total traffic after link aggregation, and dynamically adjusts the distribution of data streams according to the traffic situation, confirms that the core switch supports the link aggregation function, and is correctly connected with the edge router and the routing management unit.

9. A system and implementation method based on load balancing and port aggregation according to claim 8, characterized in that: The S4 starts all components, including the load balancer, link aggregation controller, backend service layer and network infrastructure, uses the logging and monitoring unit to collect system operation logs, monitors key performance indicators, and sets an alarm mechanism so that problems can be discovered and handled in a timely manner when they occur in the system.

10. A load balancing and port aggregation system and implementation method according to any one of claims 1 to 9, characterized in that: The system also includes an automated operation and maintenance unit for realizing automatic deployment, fault recovery and capacity expansion of the system, thereby reducing manual intervention.

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