Environment Requirements

Table 1 describes the hardware requirements on the client servers.

Table 2 lists the hardware requirements on the load balancing node (LVS)

Table 3 lists the hardware requirements on the cache node (Nginx+ATS).

Table 4 lists the hardware requirements on the origin server (Nginx).

Table 5 lists the OS requirements.

**Table 5** OS Requirements
Item	Version	Description
CentOS	7.6 for aarch64 Kernel: 4.14.0-115.el7a.0.1.aarch64	Run the lscpu command to view the CPU information. Run the *cat /etc/release command to view the system version. Run the uname -r command to view the kernel version. Run the uname -a** command to view the environment information.
openEuler	20.03 (LTS-SP1) for aarch64 Kernel: 4.19.90-2012.4.0.0053.oe1.aarch64

Table 6 lists the software requirements.

**Table 6** Software requirements
Item	Version	How to Obtain
LVS	-	Included in the kernel.
Nginx	1.17.8	https://github.com/nginx/nginx/archive/release-1.17.8.tar.gz NOTE: This document uses Nginx 1.17.8 as an example. For details about how to install, deploy, and use Nginx, you can also see Nginx Porting Guide.
ATS	8.0.5	https://github.com/apache/trafficserver/archive/8.0.5.tar.gz

Parent topic: Environment Requirements