Your Server

VS IPTunneling gif

VS IPTunneling gif

Summary: is that the load balancer sends requests to real servers through IP tunnel in the former and the load balancer sends request to real servers via network address translation in the latter When a user accesses a virtual service provided by the server cluster a packet destined for virtual IP address the IP address for the virtual server arrives The load balancer examines

Image Dimensions: 691 x 659

Image originally found here.