HAProxy and Varnish comparison

In opensource world, there are some very smart products which are very often used to build a high performance, reliable and scalable architecture. HAProxy and Varnish are both in this category. Since we can’t really compare a reverse-proxy cache and a...

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,...