RFC 9293, "Transmission Control Protocol (TCP)", August 2022

Errata ID: 8126
Status: Verified
Type: Editorial
Publication Format(s) : TEXT, PDF, HTML
Reported By: zhihua.li
Date Reported: 2024-10-01
Verifier Name: Zaheduzzaman Sarker
Date Verified: 2025-03-18

Section 3.3.1 says:

the sequence space labeled 3 in Figure 3

It should say:

the sequence space labeled 2 and 3 in Figure 3

Notes:

In Figure 3, the send window shoud be 2(sequence numbers of unacknowledged data) and 3(sequence numbers allowed for new data transmission).

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