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API: application program interfaca
BSS: base station system
BSSGP: base station system GPRS protocol
GAP: GSM automation platform
Gb, Gi, Gn: reference points in a GPRS network
GGSN: gateway GPRS service node
GMM: GPRS mobility management
GPRS: general packet radio service
GSM: global system for mobile communications
GTP: GPRS tunneling protocol
IP: Internet protocol
LAN: local area network
LLC: logical link control
MTU: maximum transmission unit
NS: network service
PCI: peripheral component interconnect
PDP: packet data protocol
PCM: PCI mezzanine
RF: radio frequency
RTOS: real-time operating systems
SBC: single board computer
SNDCP: subnetwork dependent convergence protocol
SGSN: serving GPRS service node
SUT: system under test
telco: telephone company
TID: tunnel ID
TCP: transmission control protocol
TDMA: time division multiple access
TTF: test tools framework
UDP: user datagram protocol
USN: user space network
VNC: virtual network computing
VPN: virtual private network