a distributed web infrastructure with 2 servers 1 web server (Nginx) 1 application server 1 load-balancer (HAproxy) 1 set of application files (your code base) 1 database (MySQL)2 servers 1 web server (Nginx) 1 application server 1 load-balancer (HAproxy) 1 set of application files (your code base) 1 database (MySQL) architecture