PPP frame format - Numbered Mode

PPP Reliable Transmission 

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PPP Reliable Transmission  (RFC 1663) The Point-to-Point Protocol (PPP) [1] provides a standard method for transporting multi-protocol datagrams over point-to-point links. This document defines a method for negotiating and using Numbered-Mode, as defined by ISO 7776 [2], to provide a reliable serial link. Introduction By default, PPP packets over HDLC framed links consist of “connectionless” […]

Multilink Overview for ppp multilink protocol

PPP Multilink Protocol

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PPP Multilink Protocol (MP)  (RFC1717) Introduction The method discussed here for PPP Multilink protocol is similar to the multilink protocol described in ISO 7776 [4] but offers the additional ability to split and recombine packets, thereby reducing latency, and potentially increase the effective maximum receive unit (MRU).  Furthermore, there is no requirement here for acknowledged-mode […]