WWhenever receiving packets containing FORWARD-TSN chunks bundled with a DATA-Chunk the linux kernel sends currently two SACK-Chunks. This is suboptimal, because after processing both received chunks, it could send one SACK-Chunk. Testscripts available at: - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/ordered/ordered-packet-loss-5.pkt - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/ordered/ordered-packet-loss-12.pkt - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/ordered/ordered-packet-loss-13.pkt - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/unordered/unordered-packet-loss-2.pkt - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/unordered/unordered-packet-loss-5.pkt - https://github.com/nplab/PR_SCTP_Testsuite/blob/master/forward-tsn/receiver-side-implementation/packet-loss/unordered/unordered-packet-loss-12.pkt
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