QoS Overview
Sensitivity: Internal
1. Conversation
2. Streaming
3. Interactive
QoS for 3G
4. Background
The best effort
model
IP QOS
QCI for LTE
Integrated Services
model (IntServ)
Prioritized Traffic
1.EF(PHP): Expedited Forwarding
DiffServ Quality of
Service (QoS)
Sensitivity: Internal
2.CS(PHP):Class-Selector(PHB
(IP precedence)
3.BE(PHP):Best Effort
4.AF(PHP):Assured Forwarding 3 (Gold, Silver, Copper
(4Class, Drop High, Medium, Low)
Traffic
Class
(TC)
In IP V4
&IPV6
Traffic
Class
(TC)
In IP V4
&IPV6
Sensitivity: Internal
Conversation
Back
Streaminground
g
THP1
Interactive
ARP1 (Allocation Retention
Priority )
per User identify PDP context
APR2APR3
APR1 APR1
THP3
APR2APR3
APR2APR3
THP2(Traffic Handling
Priority)per Bearer
Conversation
APR1
Streamin
g
Back
ground
Interactive
APR2
APR3
APR15
Why and What is QoS?
Subscriber Segmentation + Service Differentiation + load management + Priority
User
Sensitivity: Internal
Computer E2E QoS Architectural Overview – What
does each node do?
Computer
Network
DHCP&DNS Mail
Proxy
Server
POP (HTTP Web)
IP Pooled Server
Server
192.168.0.11
Facebook
Server
Google
Server
192.168.0.14
192.168.0.15
Best-effort delivery
Inside Network
Port in Firewall=65535 Port
Port for Server=1024
Port Enough 64511 Port
ThanInternal
can assigned to Internet inbound company by Registered IP
Sensitivity:
Outside Network
LINE
Serve
rAmazo
n
Server
E2E QoS Architectural Overview – What does each
node do? DHCP
3G
Static
QoS profile
-UL from UE_RRC_Connet_Setup_Complete: UE Category
-DL from CN_RANAP_RAB_Assigned_Request: Throughput keep to UE accuracy
Scheduling
of resources
(air interface)
UE
Uu
Iub
Radio
resource
management
RNC
IuPS
Server
IP Pooled
Dynamic
QoS control
HLR
SAPC
Negotiation
of QoS
parameters
SGSN
Gn
Rx
Event
detection
AF
Rx
Gx
Gx
EPG
Gi
SASN
Gi
RBS
RAN
Mobile
Backhaul
RAN
Prioritization
Prioritization
Port inofFirewall=65535
IP packets Port of IP packets
MPBN
Negotiation
of QoS
parameters
Packet
inspection
engine
Prioritization
of IP packets
Port for Server=1024
Inside Network
Port Enough 64511 Port
ThanInternal
can assigned to Internet inbound company by Registered IP
Sensitivity:
Outside Network
Sensitivity: Internal
Sensitivity: Internal