Load balancing (also known as the Load sharing), the English name for the Load Balance, its meaning is to Load Balance (task), executive share to more than one operating unit, such as a Web server, FTP server, enterprise key application servers and other mission critical servers, etc., to complete the tasks together,


Nginx is C language development of high-performance HTTP server and the reverse proxy server, developed by Russian programmers,


The LVS is short for Linux Virtual Server, namely the Linux Virtual Server, this is a an open source project, launched by Dr ZhangWenSong


Nginx for HTTP reverse proxy to upsteam forward the balance in a variety of ways to implement the HTTP request, because the forward is an asynchronous request can be done if a server failure, immediately switch to the other servers, until the last server request is successful or failed, it can improve the success rate of the request of the system to a great extent.