TCP Sack processing

Zeek
1

Does TCP stream reassembly algorithm need TCP SACK processing for completeness ?

No. SACKs are advisory, not guarantees, and can be ignored for purposes
of stream reassembly.

    Vern

2

Thanks for the reply.

SACKs are advisory, not guarantees

Could you be a little more elaborate on that. or point me to some rfc
or other doc ?

Thanks a lot