Point to point protocol ppp is a communication protocol of the data link layer that is used to transmit multiprotocol data between two directly connected pointtopoint computers. A framing method to clearly define end of one frame and start of another, incorporating errors detection as well. Ccna training point to point protocol ppp tutorial. The main purpose of ppp is to transport layer 3 packets over a data link layer pointtopoint link. The diagram gives below a typical soho small officehome office user topology, with the user using the ppp protocol to connect to the internet through the local isp. Britt chuck davis jason forrester wei liu carolyn matthews nicolas rosselot understand networking fundamentals of the tcpip protocol suite introduces advanced concepts and new technologies includes the latest tcpip protocols front cover. Basic overview of the ppp protocol computer networking. Ppp introduction and overview the apmg publicprivate. Ppp is the most popular data link layer protocol for point to point links.
Ppp provides direct connections over synchronous and asynchronous circuits. Allows ppp frames to be sent over nonip frame relay, atm networks also pptp works on ip only. Virtual private networks washington university in st. Tcpip tutorial and technical overview lydia parziale david t. For the love of physics walter lewin may 16, 2011 duration. How to prepare, structure and manage a ppp contract appendix a introduction to project finance 1a ppp introduction and overview appendix a project finance. Interface encapsulation overview techlibrary juniper. It is a byte oriented protocol that is widely used in broadband communications having heavy loads and high speeds. Also introduction to ppp sub protocols or innner protocols ncp and lcp. This post gives a brief functional overview of the ppp protocol. Learn how to keep in touch and stay productive with microsoft teams and office 365, even when youre working remotely. Point to point protocol or ppp is a data link layer protocol that enables transmission of tcpip traffic over serial connection, like telephone line.
Virtual private networks raj jain the ohio state university columbus, oh 43210. Two precise definitions of pointtopoint in the context of data communications follow. Pointtopoint protocol ppp is an open standard protocol that is mostly used to provide connections over pointtopoint serial links. Understanding physical encapsulation on an interface, understanding frame relay encapsulation on an interface, understanding pointtopoint protocol, understanding highlevel data link control.
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