Point-to-Point


Definition of point-to-point in Network Encyclopedia.

What is point-to-point?

Point-to-Point is a form of communication that provides a direct path from one fixed point to another.

How It Works

A point-to-point wide area network (WAN) consists of two end nodes connected by a leased line. In a typical configuration, a router on the network is connected using a serial transmission interface such as V.35 to a Channel Service Unit (CSU) at the local customer premises. The CSU provides the interface between the router and the telco’s leased line. An identical setup is configured at the remote customer premises. Because there are only two end nodes in a point-to-point WAN link, addressing need not be provided for the end nodes at the data-link layer.

Point-to-point WAN connections typically use High-level Data Link Control (HDLC), Point-to-Point Protocol (PPP), or one of their derivatives – such as Point-to-Point Tunneling Protocol (PPTP) – as the layer 2, or data-link layer, protocol for encapsulating local network traffic into frames for transmission over the WAN link.

Uses of Point-to-Point term

The term “point-to-point” is also used more generally. For example, the configuration of a terminal connected to a minicomputer using two short-haul asynchronous modems is referred to as a point-to-point connection.

Point-to-Point communication
Point-to-Point communication

Point-to-Point used in heterogeneous environments

PPP is usually used in heterogeneous networking environments in which the routing and access equipment come from different vendors, while HDLC tends to be used in homogeneous networking environments in which the routers and access equipment run only Cisco’s Internetwork Operating System (IOS) software.

See also:

Editor

Articles posted after being checked by editors.

Recent Content

link to Public Key Infrastructure (PKI)

Public Key Infrastructure (PKI)

Public Key Infrastructure, also known as PKI, is a set of services that support the use of public-key cryptography in a corporate or public setting. A public key infrastructure (PKI) enables key pairs to be generated, securely stored, and securely transmitted to users so that users can send encrypted transmissions and digital signatures over distrusted public networks such as the Internet.
link to Digital Signature

Digital Signature

Digital Signature is an electronic signature that you can use to sign a document being transmitted by electronic means such as e-mail. Digital signatures validate the identity of the sender and ensure that the document they are attached to has not been altered by unauthorized parties during the transmission.