Dear All:
    I want to consult one question about ACK request,
according to the protocol,ACK will nerver
retransmitted.
    Then my question is: If Use Agent A receive
retransmitted 200 OK response twice via UDP, should
ACK request be sent out twice passively? the protocols
only says that ACK will never be retransmitted
actively. I think under this situation, ACK will be
sent out twice, according to the same reason, if 200
response received three times, then ACK will be sent
out three times.
   Is my understanding right, please give me some
suggestion to confirm it!  
   Thanks in advance!
                 Yours: james


   

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