In 1978, X . 25 provided the first international and commercial packet switching network, the International Packet Switched Service ( IPSS ).
2.
The Western Union International and Tymnet collaborated to create the first international packet switched network, referred to as the International Packet Switched Service ( IPSS ), in 1978.
3.
The "'International Packet Switched Service "'( IPSS ) was created in 1978 by a collaboration between the United Kingdom's General Post Office, Western Union International and the United States'Tymnet.
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