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What is PPP Protocol? Point-to-Point Protocol is known as data link protocol. This protocol is most commonly for establishment of direct connection among network nodes, usually between 2 nodes. Authentication of connection, privacy for transmission encryption and compression are provided by Point-to-Point Protocol. It has three fields – Protocol field, to indicate the type of payload packet. Information field contains the PPP payload, and a Padding field, if at all a particular protocol can be padded to distinguish information from padding.
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