My ping command displays the RTT for each packet sent and returned below. After that, the copy gets deleted and resources are released for future use.ĪLSO READ: How to check if ISP is blocking website Whenever a sender transmits a packet, it saves a copy of the packet int its buffer and it stays there until receiving side acknowledges that it has received the packet. The lost packets are recovered by retransmissions and acknowledgments while sequence numbers are used to determine correct packet reordering in the receiving side. The protocol offers packet delivery guarantees, even if some of the packets have been lost during the transmission. TCP is one of the reliable protocols working in the transport layer, in terms of Open System Interconnect (OSI) model. How to filter TCP Retransmissions with Wireshark.Analysing TCP Retransmission Timeout (RTO).
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