Sandor Albrecht
Performance management of IP based wireless networks - INET 2001
Application vs. transport layer QoS
Application
Server
VoIP
 Gateway
Media
Gateway

GSN
Servers
BS
BS
BS
UTRAN
IP
MSC
• HLR
• VLR
• SCP
UIP RNC
PSTN,
ISDN
Internet
IP backbone for
wireless
BS
Application
Server
QoS guaranteed by the wireless network