GPRS
• General Packet Radio Service
• Packet switching:
• Data divided into packets
• Packets travel through network
individually
• Connection only exists while
packet is transferred from one
node to next
• When packet has passed a node,
the network resources become
available for another packet
• User sees an ‘always on’
virtual connection through the
network
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)
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