datagram
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... Romkey, J., "A Nonstandard for Transmission of IP Datagrams over Serial Lines: SLIP", RFC 1055std47, June 1988. ...
... Perkins, D., "The Point-to-Point Protocol: A Proposal for Multi- Protocol Transmission of Datagrams Over Point-to-Point Links", RFC 1171(-> 1331(-> 1548(-> 1661std51))), CMU, July 1990. ...