[lwip-devel] [patch #9384] Partial SACK (RFC 2018) support

[Jakub Schmidtke]

Follow-up Comment #27, patch #9384 (project lwip):

Yes, Section 8 of RFC 2018 talks about it:
"Note that the data receiver is permitted to discard data in its queue that
has not been acknowledged to the data sender, even if the data has already
been reported in a SACK option."
It is "discouraged", but allowed. Only ACKs should be used to consider the
data actually delivered.


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