all-optical packet switching network
field packet switching network
Optical Packet Switching Network
Packet Switching Network
Packet Switching Network， PSN
public packet switching network
Digital telephone switching network
public switching telephone network
Telephone Switching Network
telephone switching network of railway
All Optical Packet Switching
All-optical Packet Switching
Asynchronous Optical Packet Switching
asynchronous packet switching
BPSS Basic Packet – Switching Service
CDMA2000 packet network
Cellular Packet Switching CPS