Evolution of Signaling Information Transmission

Table 4

IEEE QoS classes [6].

Priority	802.1d			802.11e
	UP^b	Designation	Traffic type	AC^a	Designation
Low	1	BK	Background	AC_BK	Background
	2	—	spare	AC_BK	Background
	0	BE	Best effort	AC_BE	Best effort
	3	EE	Excellent effort	AC_BE	Best effort
	4	CL	Controlled load	AC_VI	Video
	5	VI	Video	AC_VI	Video
	6	VO	Voice	AC_VO	Voice
High	7	NC	Network control	AC_VO	Voice

^aAC: Access Category; ^bUP: User Priority.