The Low Extra Delay Background Transport (ledbat) working group in the Transport Area has concluded after having completed all of its chartered work. The IESG contact persons are Wesley Eddy and Martin Stiemerling. The LEDBAT mailing list will be closed, but the TSVAREA mailing list (tsv-area@ietf.org) is available to enable continued discussion among people that are implementing or using LEDBAT.