image/svg+xml
MAC
RLC
LLC
LLC
E1
IP
Ethernet
GTP-U
IP
Ethernet
GTP-U
PhysicalLayer
Um
A-bis
Gb
Gn
MS
BTS+CCU
BSC+PCU
SGSN
GGSN
GPRS User Plane
FrameRelay
NS
BSSGP
E1
PhysicalLayer
TRAUFraming
MAC
RLC
E1
E1
FrameRelay
NS
BSSGP
TRAUFraming
UDP
UDP
SNDCP
SNDCP
IP
IP
TCP
TCP
HTTP
HTTP