Datagram Congestion Control Protocol (dccp)
Low Extra Delay Background Transport (ledbat)
Network File System Version 4 (nfsv4)
Next Steps in Signaling (nsis)
Congestion and Pre-Congestion Notification (pcn)
Reliable Multicast Transport (rmt)
TCP Maintenance and Minor Extensions (tcpm)
Transport Area Open Meeting (tsvarea)
Transport Area Working Group (tsvwg)
Groups that did not meet at IETF 73
Robust Header Compression (rohc)
Reliable Server Pooling (rserpool)