9: Performance Assurance Agent
IGMP
One-way join period
Purpose
Indicates that IGMP join and leave delay measurements shall be performed and the period during which one-way and
packet loss samples shall be collected. This value should represent how long to collect measurements before issuing
an IGMP leave for each period.
Validity
UDP sink probe configured with a multicast destination address.
Values (in milliseconds)
0 (default): Constant, no join and leave measurement
Minimum: 10 * sampling period
Maximum: One-way reference period - (5 * sampling period)
IGMP Reference Period
Purpose
Defines a reference period for IGMP measurements. This period needs to be a multiple of the One-way reference
period.
Validity
UDP sink probe configured with a multicast destination address.
One-way Join Period must be different than 0
Values (in milliseconds)
0 (default): No IGMP measurement
Minimum: One-way reference period * 10
Maximum: One-way reference period * 9000
Maximum join delay
Purpose
Defines the maximum join delay objective.
Validity
UDP sink probe configured with a multicast destination address.
Values (in milliseconds)
Minimum: 100ms
Maximum: One-way join period
Join delay threshold
Purpose
Defines the maximum consecutives join delay samples allowed greater than the maximum join delay.
Validity
UDP sink probe configured with a multicast destination address.
Values (in samples)
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