NGINX implement reverse proxy load Balancer Server

The difference between Nginx load balancing and counter-selection agent?

A: I think there is no difference, one is called reverse proxy, more than one is called load balancing, they are used together

Second, the Nginx load balancing principle

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Third, configure the Nginx load balancer

Modify Nginx.conf

http {    include       mime.types;     default_type  application/octet-stream;    sendfile         on;    keepalive_timeout  65;     upstream backend {                 (Backend: cluster module)     server  172.16.1.7:80   weight=1;     (address pool)     server  172.16.1.8:80   weight=1;     (address pool)     }    server {         listen       80;         server_name  blog.etiantian.org;         location / {          proxy_pass  http://backend;    (Call the cluster module)           proxy_set_header host  $ host;   (with host header request back-end cluster)         }    }    server {        listen        80;        server_name  bbs.etiantian.org;         location / {           proxy_pass  http://backend;           proxy_set_header Host   $host;        }     }server {        listen        80;        server_name  www.etiantian.org;         location / {           Proxy_pass  http://backend;          proxy_set_ header host   $host;         }    }}

This article from the "21 kinds of hesitation" blog, declined reprint!

NGINX implement reverse proxy load Balancer Server