[multipathtcp] when and how is data-ACK responded?

王帅 <13211134@bjtu.edu.cn> Fri, 24 March 2017 06:25 UTC

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Subject: [multipathtcp] when and how is data-ACK responded?
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Hi,

   Data-ACK is independent with subflow-ACK which is responded by TCP layer, but when and how is data-ACK responded? I wonder whether discontinuous segments in data-level will trigger duplicate ACK, so fast retransmission will happen.If not, how to avoid this problem?

Best,

Wang Shuai