VirtualClock vs. WFQ
Voice packet end-to-end delay.
Videoconferencing packet end-to-end delay.
- Similar voice and videoconferencing end-to-end delay for VC & WFQ.
- Delay variation is around 0.4 msec (good voice quality).
- Although videoconferencing end-to-end delay is high, the delay variation is around 150 msec (medium voice quality).
- Applications show similar performance using VC and WFQ.