to enumerate the benefits of the sita network, monniot spent little time talking about packet switching. " the main benefit," he said, " is that the users share expensive communication channels with others, and thereby reduces his costs considerable. these savings are particularly dramatic in europe. it costs roughly $2.000 a month to lease a 3khz voicegrade line between paris and geneva; that's about equal to the distance between washington state and new york city." (at&t reports that its price for a similar circuit between the latter two points is about $400/month, exclusive of termination charges | datamation, sita: rating a packet switched network, march 1974

sita, a worldwide airline communication consortium, has launched its network around 1967. its called an early, primitive packet switching network.