Abbreviations

2G
Second Generation
3GPP
Third-Generation Partnership Project
ACK
Acknowledgment
AF
Assured-forwarding
APN
Access Point Name
AUC
Authentication Center
BA
behavior aggregate
BE
best-effort
BHT
Busy Hour Traffic
Bps
bits per second
BSC
Base Station Controller
BSR
Broadband Service Router
BTS
Base Transceiver Station
BU
business
CDMA
Code Division Multiple Access
CEIR
Central Equipment Identity Register
CIR
Committed Information Rate
CLI
Command Line Interface
CNTR
control traffic
CoS
Class of Service
CT
class type
CWND
congestion window
DA
data
DF
Don’t Fragment
DHCP
Dynamic Host Configuration Protocol
DiffServ
Differentiated Services
DNS
Domain Name System
DRR
Deficit Round Robin
DSCP
Differentiated Services Code Point
DSL
Digital Subscriber Line
DSLAM
Digital Subscriber Line Access Multiplexer
DWRR
Deficit Weighted Round Robin
EBGP
External Border Gateway Protocol
EF
Expedited-forwarding
EIR
Equipment Identity Register
EPC
Evolved Packet Core
ERO
Explicit Routing Object
eUTRAN
evolved UMTS Terrestrial Radio Access Network
FIFO
First in, first out
FQ
Fair queuing
GBR
Guaranteed Bit Rate
GGSN
Gateway GPRS Support Node
GPRS
General Packet Radio Service
GPS
Generic Processor Sharing
GSM
Global System for Mobile Communications
GTP
GPRS Tunneling Protocol
HLR
Home Location Register
ICMP
Internet Control Message Protocol
IMEI
International Mobile Equipment Identity
IMS
IP Multimedia System
IMSI
International Mobile Subscriber Identity
IntServ
Integrated Services
L2
Layer 2
L3
Layer 3
LBE
lower than that for best-effort
LFI
Link Fragmentation and Interleaving
LSP
label-switched path
LTE
Long-Term Evolution
MAD
dynamic memory allocation
ME
Mobile Equipment
MED
multi-exit discriminator
MF
Multifield
MME
Mobility Management Entity
MPLS
Multiprotocol Label Switching
MPLS-TE
MPLS network with traffic engineering
MS
Mobile System
ms
milliseconds
MSC
Mobile Switching Center
MSS
Maximum Segment Size
MTU
Maximum Transmission Unit
NAS
Non-Access Stratum
NC
Network-control
P2P
point-to-point
PB-DWRR
Priority-based deficit weighted round robin
PCR
Program Clock Reference
PCRF
Policy and Charging Rules Function
PDN
Packet Data Networks
PDN-GW
Packet Data Network Gateway
PDP
Packet Data Protocol
PE
provider edge
PHB
per-hop behavior
PID
Packet ID
PIR
peak information rate
PLMN
Public LAN Mobile Network
PMTU
Path MTU
pps
packets per second
PQ
priority queuing
PSTN
Public Switched Telephone Network
Q0
queue zero
Q1
queue one
Q2
queue two
QCI
QOS Class Identifier
QOS
Quality of Service
RAN
Radio Access Networks
RED
Random Early Discard
RNC
Radio Network Controller
RSVP
Resource Reservation Protocol
RT
real time
RTCP RTP
Control Protocol
RTT
Round Trip Time
SACK
selective acknowledgment
SAE
System Architecture Evolution
SCP
Secure Shell Copy
SCTP
Stream Control Transmission Protocol
SDP
Session Description Protocol
SGSN
Serving GPRS Support Node
S-GW
Serving Gateway
SIM
Subscriber Identity Module
SIP
Session Initiation Protocol
SLA
service-level agreement
SSRC
Synchronization Source Identifier
STP
Spanning Tree Protocols
TCP
Transmission Control Protocol
TE
Traffic Engineering
TOS
Type of Service
TS
Transport Stream
UDP
USER Datagram Protocol
UE
User Equipment
UMTS
Universal Mobile Telecommunications System
UTP
Unshielded Twisted Pair
VLAN
Virtual LAN
VLR
Visitor Location Register
VoD
Video on Demand
VoIP
Voice over IP
VPLS
Virtual Private LAN Service
VPN
Virtual Private Network
WFQ
Weighted Fair Queuing
WRED
Weighted RED
WRR
Weighted Round Robin
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