Serial Line Internet Protocol

Internet protocol suite
Application layer
Transport layer
Internet layer
Link layer

The Serial Line Internet Protocol (SLIP)[1][2] is an encapsulation of the Internet Protocol[a] designed to work over serial ports and router connections. It is documented in RFC 1055. On personal computers, SLIP has largely been replaced by the Point-to-Point Protocol (PPP), which is better engineered, has more features, and does not require its IP address configuration to be set before it is established. On microcontrollers, however, SLIP is still the preferred way of encapsulating IP packets, due to its very small overhead.

Some people refer to the successful and widely used RFC 1055 Serial Line Internet Protocol as "Rick Adams' SLIP",[3] to avoid confusion with other proposed protocols named "SLIP". Those other protocols include the much more complicated RFC 914 appendix D Serial Line Interface Protocol.[3]

  1. ^ "Internet Q&A". The New York Times. May 31, 1996.
  2. ^ "The Executive Computer; For Befuddled Newcomers, Easier Access". The New York Times. May 8, 1994.
  3. ^ a b RFC 1547: "Requirements for an Internet Standard Point-to-Point Protocol"


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