Brocade Multi-Service IronWare QoS and Traffic Management Configuration Guide (Supporting R05.6.00) - Manual (Page 189)

Multi-Service IronWare QoS and Traffic Management Configuration Guide 175
53-1003037-02
Hierarchical QoS (HQoS) for 8x10G modules
5
HQoS towards core network
HQoS usage towards the Service Provider core network on 10GE ports ensure high levels of QoS
higher priority traffic classes for the customer.
The core network in this case can be a PB or PBB network.
FIGURE 10 HQoS towards Core Network
Core Network






10GE
MLX
10GE
1GE
Customer A
Customer B
H-QoS on egress
of 10GE port
2
1
0
3
2
1
0
Queues
queuing per
<Port, VLAN, priority>
“Other” Queues
Level 3
Service
(VLAN)
Level 2
Customer
(VLAN group)
Level 0
Physical Port
(10GE)
Level 1
Logical Port
VLAN #1
VLAN #1,
VLAN #2
10GE 1/1
VLAN #2 Logical #1
Logical #n
mixed
Scheduler Flow
Queue
Scheduler Element
Strict priority, Weighted
Fair Queuing, Mixed
Rate shaper
3
3
2
1
0
7
6
5
4
3
2
1
0
7 20 Mb/s NC2 2
1
0
40
40
20
10
10
NC1
EF
AF4
AF2
AF1
CS1
BE
10 Mb/s
10 Mb/s
6
5
4
3
2
1
0
Strict
= No limit, no shaping