Introduction

LVS Overview

Linux Virtual Server (LVS) is a load balancing solution that uses IP load balancing and content-based request distribution technologies. It features high throughput. LVS evenly distributes requests to different servers for processing. LVS is a set of components (IPVS and ipvsadm), which is similar to iptables. IPVS, similar to Netfilter, is a framework that forwards user requests based on rules. It works on the INPUT chain in the kernel and forwards requests based on rules. ipvsadm is a tool used to define rules. LVS uses the TCP and UDP protocols to forward requests based on the port and IP addresses requested by users. That is, LVS implements layer 4 switching and routing.

Development language: C

Brief description: web server

Recommended Version

LVS delivered with CentOS7.6-kernel4.14 is used.

From Linux 2.4, the version of the built-in LVS software is determined by the kernel version.