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This article shows you what client-side load balancing means, the content is concise and easy to understand, it can definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Server load balancing

Load balancing is one of the important means for us to deal with high concurrency, relieve network pressure and expand server capacity, but in general, what we call load balancing usually refers to server load balancing, which can be divided into two types: one is hardware load balancing, the other is software load balancing.

Hardware load balancing is mainly through the installation of special devices for load balancing between server nodes, such as F5.

Software load balancing mainly installs some software with load balancing function on the server to complete the request distribution and then achieve load balancing, the common is Nginx.

Whether it is hardware load balancing or software load balancing, its working principle is nothing more than the following figure:

Both hardware and software load balancers maintain an available server list, and then delete the failed server nodes through the heartbeat mechanism to ensure that the list is normally accessible. At this point, when the client request reaches the load balancing server According to some configured rules, the load balancing server selects a server from the list of available servers to process client requests. This is the server-side load balancing.

Client load balancing

We covered client-side load balancing in our article on service discovery and consumption in Spring Cloud, where we mentioned

"Ribbo is a client-side load balancer based on HTTP and TCP. When we use Ribbon and Eureka together, Ribbon will obtain the server list from the Eureka registry, and then poll access to achieve the role of load balancer. The client load balancer also needs a heartbeat mechanism to maintain the validity of the server list. Of course, this process needs to be completed with the service registry."

What is the meaning of client-side load balancing? have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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