Hello. I have some questions about this howto:High Availability Apache Cluster 1. What i want to know is which packet forwading technique is the howto using? Is it direct routing?? 2. what does this modules mean: ip_vs_dh ip_vs_ftp ip_vs 3. And is it posible to build the same cluster scheme without using the UltraMonkey package and just using LVS + Heartbeat + ldirectord?? thanks for help.