CCID,Description/Meaning,Reference
0-1,Unassigned,[RFC4340]
2,TCP-like Congestion Control,[RFC4341]
3,TFRC Congestion Control,[RFC4342]
4,TCP-Friendly Rate Control for Small Packets,[RFC5622]
5-247,Unassigned,[RFC4340]
248-254,Reserved,[RFC4340]
255,Unassigned,[RFC4340]