High Availability Web and Database Service Model with Redundacy Servers

Abstrak

Web server provide many informations which can be accessed by everyone in the world with a simple click. Web required a physical or logical Server to serve the users. Because of this requirement, web server must online everyday nonstop. A service disruption may occur when the server is down caused by natural disaster, blackout, or any physical or digital damage to the hardware. In order to solve this problem, an optimal model for failover redundant web server is required. A set of redundancy server which capable to do complete replication of both web files and databases which connected altogether with the main web server. The main web server has a role to do complete synchronization with secondary server, then the secondary servers will take over the service whenever the main server down. When failover event occurred, KeepAlived will manage the routing table in order to continue the web service