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Point-to-point protocol (ppp) – ZyXEL Communications Omni TA128 User Manual

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Point-to-Point Protocol
(PPP)

Introduction

Point-To-Point Protocol is designed for simple links which
transport packets between two peers. These links provide full-
duplex simultaneous bi-directional operation, and are assumed to
deliver packets in order. PPP is intended to provide a common
solution for easy connection for a wide variety of hosts, bridges
and routes.

In the process of configuring, maintaining and terminating the
point-to-point link, PPP goes through several distinct phases which
are specified in the following simplified state diagram: