hard20 pts · first answer countsnetworkingtcpperformance

Why a lost SYN costs a second or more

A few requests take just over 1 second while most take 20 ms. Packet captures show the first SYN unanswered, then a retry. Why the long delay?

A.The first SYN retransmit timer is about 1 secondB.TCP waits for a fresh DNS lookup before retryingC.The server needs 1 s to accept each connectionD.TCP always adds 1 s of delay for security

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Why a lost SYN costs a second or more

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