Explains how endpoint and SR policy probes detect path availability and control candidate-path activation, supporting resilient forwarding, maintenance, load balancing, and service assurance.
Liveness is the ability of the network to confirm that a specific path, segment, or node is operational and capable of forwarding packets. It is essential for maintaining network availability and reliability. You can determine liveness for SR Policy and IP Endpoint.
Benefits of liveness monitoring
-
Fault detection: You can quickly identify if a device is down, which allows for immediate response and troubleshooting.
-
Load balancing: You can identify which network devices are live, so work can be distributed more evenly across the network. This prevents overloading of specific components and improves overall performance.
-
System health: You can provide an ongoing snapshot of a system's health, helping to identify potential issues before they become significant problems.
-
Maintenance planning: Liveness information also helps with maintenance planning, as system administrators can understand which components are operational or offline. They can then plan maintenance and downtime to minimize service disruption.
-
Security: Regular liveness checks help maintain network security. Administrators can take proactive steps to mitigate damage and prevent future incidents by identifying unusual activity that might indicate a security breach or attack.