摘录


Ever get asked to explain or elaborate on something that you should definitely know, only to realize that you don’t fully understand it yourself? You’re certainly not alone.
Even though the basics of Transmission Control Protocol (TCP) connections are one of the very first topics covered when learning about computer network fundamentals, many of us are perplexed by retransmission logic and still have no idea what Smoothed Round Trip Time (SRTT) means. But fear not; we’re here to shed some light on them for all levels of speed gurus.
First, we start with Round Trip Time, or RTT. For Ping and Traceroute, this measures the round trip time between sending the Ping packet and getting the ICMP packet back. For TCP connections it is quite similar; it measures the time sending a packet to getting the acknowledgment packet from the target host.

点评

RTT以及RTO会根据网络情况进行调整。

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asked 22 Jul '15, 17:39

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原野之狼
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question asked: 22 Jul '15, 17:39

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last updated: 22 Jul '15, 17:39

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