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IP SLA : IP SLA Overview : CPU Usage
CPU Usage
Normal scheduling of IP SLA allows for one operation at a time. If no start time is specified, the operation starts immediately. This is not a problem if a single operation is defined and activated manually by an operator using the CLI. The situation changes with LiveNX if multiple operations are defined without specific start times and the network device reboots.
For example, if 1,000 operations were defined for one device without staggered start times and a reboot occurs, all of these operations would start instantly and simultaneously. This would result in a CPU spike at the device and potentially a sudden burst of IP SLA test traffic in the network. Either of these effects can have a negative impact on network efficiency and measurement accuracy.