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Home > Success Center > VoIP & Network Quality Manager (VNQM) > Multiple operations polled by IP SLA Manager at different frequencies

Multiple operations polled by IP SLA Manager at different frequencies

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IP SLA Manager will group all monitored operations on a node based on their polling frequency. The polling frequency is divided by two for the polling interval, which occurs twice as fast as the polling frequency.

There are four polling interval groups:

  • Polling interval <= 1min
  • 1min < Polling interval <= 3min
  • 3min < Polling interval <= 6min
  • 6min < Polling interval

For any given group of operations, IP SLA Manager will then find the operation with the most frequent polling interval in the group and use that interval to poll the entire group. Consider the following example:

There are five operations being monitored on a single node. These operations have the following polling frequencies:

  • Operation A - 1 minute
  • Operation B - 2 minutes
  • Operation C - 4 minutes
  • Operation D - 5 minutes
  • Operation E - 14 minutes

Operations A and B would be put in the same group because their polling intervals are both <= 1 minute.  Operation A’s polling interval is 30 seconds and operation B’s polling interval is 1 minute. IP SLA Manager will poll both of these operations simultaneously every 30 seconds because the more frequent of the two operations is 1 minute, and IP SLA Manager polls twice that frequency.

Operations C and D are in a different group because their polling intervals are 2 minutes and 2.5 minutes, which are <= 3 minutes and greater than 1 minute. IP SLA Manager will poll both of these operations simultaneously every 2 minutes because the more frequent of the two operations is 4 minutes, and IP SLA Manager polls twice that frequency.

Operation E is in a different group because its polling interval is 7 minutes.

Note: VNQM does not support the polling of several hundred operations at 5 second polling interval.

This article applies to:
Orion IP SLA 3.0 or later

Last modified
14:29, 13 Nov 2015

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