All news with #protective reroute tag

Protective ReRoute: Host-based Network Resilience for Cloud

🛡️ Protective ReRoute (PRR) shifts rapid failure recovery from the network core to endpoints, enabling hosts to detect packet loss or high latency and re-steer traffic onto alternate pre-existing paths. Implemented in Linux (4.20+) and supported in Google Cloud via hypervisor and guest modes, PRR alters packet headers (IPv6 flow-label or overlay outer headers) to request multipath forwarding. In production for five years, it prevents up to 84% of slow-convergence outages and typically restores service in a single-digit multiple of RTT.