You can set up various servers for high-accessibility setups. In such designs, different servers either work in the meantime to give greater limit or work in arrangement to give failover security.
Before you start:
Introduce a heap balancer. This heap balancer conveys solicitations to the servers. Despite whether the servers are on the whole dynamic or some are dynamic and others are on detached backup, most setups utilize computerized failover with an outside burden balancer.
About this errand:
To set up servers in a high-accessibility design, you introduce the server on isolated frameworks and associate the servers to a similar database. At that point, you arrange a heap balancer to disperse the traffic between the servers. Rather than getting to the servers straightforwardly, clients get to the heap balancer URL. To the clients, that URL seems to have a solitary occasion of the server with high limit; the clients are unconscious of the different servers.
You can design your heap balancer to help either cool backup or grouped high-accessibility situations.
In a bunched situation, all servers are running, and the heap balancer courses procedures to all servers, in light of their accessibility. This setup can improve server execution.
In a cool backup situation, one server is dynamic at once. On the off chance that the dynamic hub comes up short, the auxiliary server is begun and organize traffic is steered to it. This setup lessens downtime almost to zero however does not improve server execution.