In this article we will discuss PPP, will make brief discussion on PPP, last article we discuss about NDP.

In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communications protocol between two routers directly without any host or any other networking in between. It can provide connection authentication, transmission encryption, and compression.

Point To Point Protocol (PPP) and Point To Point Protocol over Ethernet (PPPoE) are network protocols that allow data communication between two network entities or points. Throughout the documentation for both protocols, points are referred to as nodes, computers, or hosts.

A family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols. PPP also tunnels Internet Protocol (IP) or other network Layer 3 data between two directly connected nodes over a physical connection, or over a direct link. Since IP and Transmission Control Protocol (TCP) do not support point-to-point connections, the use of PPP can enable them over Ethernet and other physical media.

Point to Point topology is the simplest topology which connects two nodes directly together with a common link. When you change TV channels by remote, you are establishing a point-to-point connection between the remote control and the TV’s control system.

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