Hi Yacan, We don’t support delayed acks on purpose, the reasoning being that by construction we only send an ack per burst of packets received. Moreover, delayed acks tend to interfere with congestion control algorithms and rtt estimators.
Out of curiosity, why are you looking into that? Regards, Florin > On Mar 23, 2021, at 10:57 PM, liuyacan <liuya...@corp.netease.com> wrote: > > Hi All, > > It seems that macro TCP_ALWAYS_ACK is not used now，Are there any > considerations? Is there any way I can Enable delay ACK ? > > Best regards, > yacan > >
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