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A comment on How a little bit of TCP knowledge is essential. Parent comment
In quickack mode, acks are sent immediately, rather than delayed if needed in accordance to normal TCP operation.
So "normal TCP operation" is to delay ACKs "if needed". Not sure if "needed" is the right word to use, but whatever.
Looks like RHEL has a system-wide fix: https://access.redhat.com/documentation/en-US/Red_Hat_Enterp...
In quickack mode, acks are sent immediately, rather than delayed if needed in accordance to normal TCP operation.
So "normal TCP operation" is to delay ACKs "if needed". Not sure if "needed" is the right word to use, but whatever.
Looks like RHEL has a system-wide fix: https://access.redhat.com/documentation/en-US/Red_Hat_Enterp...