Nokia 7705 - Page 53

Quality of Service Guide QoS and QoS Policies
Edition: 01 3HE 11014 AAAC TQZZA 53
Figure 8 Hybrid Port Egress Shapers and Schedulers on Gen-2 Hardware
CoS-8
CoS-1
CoS-7
4-priority
Scheduled
Unshaped
SAPs
(aggregate for
unshaped
SAPs)
16-priority
Scheduled
Shaped or
Unshaped
SAPs
(per SAP
aggregate
Shaper)
Buffer Mgmt
via WRED
or Tail Drop
4-priority
Scheduling
Per SAP/Per VLAN
Aggregate Shaper
Port Shaper
Queue Layer
Scheduling
Classification
and Acc/NW Egr.
per FC queuing
nc
SAP
h1
be
24073
CoS-8
CoS-1
CoS-7
nc
SAP
h1
be
Exp
In-Prof
BE
In-Prof
Exp
Out-Prof
BE
Out-Prof
Strict
Priority
Dual Rate
Shaper
In-Prof
Out-Prof
Strict
Priority
RR
Rate
Ethernet
port
Access/NW
Aggregate Shaper
Network Egress
Access Egress
per
SAP
Hi_prio
per
SAP
CIR
CIR, PIR
CIR, PIR
Lo_prio
CoS-8
CoS-1
CoS-7
16-priority
Scheduling
nc
SAP
h1
be
CoS-8
CoS-1
CoS-7
nc
SAP
h1
be
Strict
Priority
Hi_prio
Lo_prio
CoS-8
CoS-1
CoS-7
16-priority
Scheduled
Unshaped
VLANs
(aggregate for
unshaped
VLANs)
16-priority
Scheduled
Shaped or
Unshaped
VLANs
(per VLAN
aggregate
Shaper)
16-priority
Scheduling
nc
VLAN
h1
be
CoS-8
CoS-1
CoS-7
nc
VLAN
h1
be
Strict
Priority
Dual Rate
Shaper
In-Prof
Out-Prof
Strict
Priority
per
VLAN
Hi_prio
per
VLAN
CIR
CIR,
PIR
CIR,
PIR
Lo_prio
CoS-8
CoS-1
CoS-7
16-priority
Scheduling
nc
Unshaped
VLANs
h1
be
Strict
Priority
Hi_prio
Lo_prio
1st Tier 2nd Tier 3rd Tier
Fabric
1
4
6
5
2
3
7
Cos-8
In-Prof
Cos-1
In-Prof
Cos-8
Out-Prof
Cos-1
Out-Prof
Cos-8
In-Prof
Cos-1
In-Prof
Cos-8
Out-Prof
Cos-1
Out-Prof
Cos-8
In-Prof
Cos-1
In-Prof
Cos-8
Out-Prof
Cos-1
Out-Prof