Layer 4 load balancing tunnel mode

The tunnel mode looks like the Direct Server Return mode, except that traffic between the load-balancer and the server can be routed. The load-balancer encapsulates the request in an IP tunnel to the server. The server recover the client request from the loadbalancer,...

Layer 4 load balancing NAT mode

NAT stands for Network Address Translation. In the NAT mode, the load-balancer will route traffic between user and server by changing destination IP address of the packets. TCP connection overview TCP connection is established between the client and the server. The...