Java High-Performance Architecture

Nov 12, 2015 · Operations

How Linux Virtual Server (LVS) Directs Traffic: NAT, IP Tunnel, Direct Routing Explained

LVS (Linux Virtual Server) is a core kernel module for load balancing that forwards client requests to backend servers using three main mechanisms—Network Address Translation (NAT), IP tunneling (TUN), and Direct Routing (DR)—each with distinct packet handling and performance characteristics.