TCP/IP: Difference between revisions

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- The first block of the SACK option can be used to report the duplicates
- The first block of the SACK option can be used to report the duplicates
- The SACK option announces this duplicate data first and then the out-of-order block
- The SACK option announces this duplicate data first and then the out-of-order block

Source: [http://packetlife.net/blog/2010/jun/17/tcp-selective-acknowledgments-sack/ packetlife.net]

<div><ul>
<li style="display: inline-block;"> [[File:TCP_retransmission.jpeg|thumb|none|300px|TCP Retransmission with ACK]] </li>
<li style="display: inline-block;"> [[File:TCP_SACK.jpeg|thumb|none|350px|TCP SACK]] </li>
<li style="display: inline-block;"> [[File:wireshark_SACK.png|thumb|none|400px|Wireshark PCAP]] </li>
</ul></div>

Packet Capture:
[[Media:TCP_SACK.cap|TCP SACK Sample Capture]]
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