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Re:Raspberry Pi Zero: the $5 computer by smarx007 on Thursday November 26, 2015 @03:35AM (#10631944)
And one kind person suggested PPP over serial in comments to the Make article: http://elinux.org/RPi_Serial_Connection#Network_connection_w...
Re:Raspberry Pi Zero: the $5 computer by ryan-c on Thursday November 26, 2015 @04:01AM (#10632026)
I set up ppp between a pair of RPis a few years ago - you can crank up the speed quite a bit past 115200 baud.