H-PFQ: An example

At t=0: p11, with length = 6

p21, with length = 4

p31, with length = 1

arrive

(a = 0; f = 12)

p11

Real-time: 5

Vn (5) = 12

Vroot(5) = 5

Vn(5): (4 - 0) / 0.5 + (5 - 4) / 0.25

= 8 + 4

= 12

p11 gets scheduled next -- the only packet around...