Point-to-Point Protocol (PPP) - RFC1661

• Carries IP over generic point-to-point link

  • Dialup modems
  • ISDN
  • Leased lines
  • IS-95 CDMA traffic channels (above RLP)

• Type field for non-IP protocols

• Configuration negotiation

  • addresses, max sizes, etc

• Authentication at link setup

• No retransmission

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