Load balancer and Global Load Balancer
Load Balancer, High Availability, Fault tolerance, Failover capability LOAD BALANCER A Load Balancer is a network device. Load balancer refers to load sharing (i.e. share or distribute the user requests, connections), among individual servers or nodes in a cluster, typically in the same data center, LAN or across different data centers. Aim is to provide continuous services in case of failure of a node in a cluster, share and distribute load, connections between the nodes. So when referring to Load Balancer it could provide High Availability in the same LAN or data center or across different data centers. (See below note on Load Balancer in Oracle Identity Management components ) Typical use of Load Balancer is to front-end two or more servers where the Load Balancer device receives the initial request and sends the request to its pool of servers, and returns the server's response to the client. But why would one require to front-end servers with another device in the first p