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IP over Serial Lines
On serial lines, a ``de facto'' standard known as SLIP or Serial Line IP is frequently used. A modification of SLIP is known as CSLIP, or compressed SLIP, and performs compression of IP-headers to make better use of the relatively low bandwidth provided by serial links.
A different serial protocol is PPP, or Point-to-Point Protocol.
PPP has many more features than SLIP, including a link negotiation
phase. Its main advantage over SLIP is, however, that it isn't
limited to transporting IP-datagrams, but that it was designed to
allow for any type of datagrams to be transmitted.
Andrew Anderson
Thu Mar 7 23:22:06 EST 1996