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CALI1994
Participating Frequently
October 8, 2010
Question

is RTMFP a real UDP?

  • October 8, 2010
  • 1 reply
  • 1093 views

Hi,

I am testing RTMFP unicast for a video chat project using FM Developer Server 4.0.

During the testing I overloaded the upload traffic to make packets dropped rather than suffering delay due to retransmission.

However, I see it makes a significant delay and it looks like doing retransmission just like RTMP.

Do you know if there is an option in FMS to disable the retransmission or other configuration I have to consider?

One thing I found is "Netstream.videoReliable=false; Netstream.audioReliable=false;" but it doesn't make any difference.

Please help.

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    1 reply

    M
    Adobe Employee
    Michael Thornburgh
    Adobe Employee
    October 8, 2010

    try setting NetStream.bufferTime = 0.  also, note that these parameters are for the sender/publisher side and control transmission there, and will have no effect if issued on the receiver/subscriber side.

    C
    CALI1994Author
    Participating Frequently
    October 9, 2010

    Thanks, Michael again.

    I did already NetStream.bufferTime = 0 and I think it is not related to this latenacy because it was more than 20 seconds delay.

    Do you know any configuration .xml file in FMS for this isssue or firewall may cause this congestion?

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