Realm Host V2 Ha Tunnel -

[Install] WantedBy=multi-user.target | Aspect | Capability | |--------|-------------| | High Availability | Active-passive failover, health checks, automatic recovery | | Protocols | TCP, UDP, TLS, PROXY protocol | | Integration | V2Ray, Shadowsocks, Trojan, SOCKS5, HTTP | | Reliability | Hot reload, connection draining, split-brain prevention | | Operations | Prometheus metrics, logging, rate limiting, mTLS |

[Unit] Description=Realm HA Tunnel After=network.target [Service] Type=simple User=realm ExecStart=/usr/local/bin/realm -c /etc/realm/realm.toml Restart=always RestartSec=5 realm host v2 ha tunnel

This setup provides with minimal resource usage. For full enterprise HA, pair Realm with an external LB (HAProxy/K8s) and distributed config store (etcd/Consul). [Install] WantedBy=multi-user

for auto-recovery: