| 摘要 |
A system for monitoring EF-on-EF jitter in a network node having an EP output queue into which EF packets are entered comprises a first counter that counts the packets entering the queue and also a second counter that counts the packets entering the queue when the queue depth is greater than an operator-determined maximum depth, whereby the operator can compare the two counts to determine the proportion of packets that might be subject to jitter corresponding to the maximum depth. Preferably, the system also includes a third counter that counts the number of packets entering the queue when the queue depth exceeds an alarm depth greater than the maximum depth.
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