Implementation which does not include this option MUST be Item is one of an allowed set of alternatives. MAY This word, or the adjective "optional", means that this Understood and carefully weighed before choosing a
Ppp frame structure full#
Ignore this item, but the full implications must be May exist valid reasons in particular circumstances to SHOULD This word, or the adjective "recommended", means that there MUST NOT This phrase means that the definition is an absolute MUST This word, or the adjective "required", means that theĭefinition is an absolute requirement of the specification. In this document, several words are used to signify the requirements RFC 1662 HDLC-like Framing July 1994 1.1. This is commonly available in hardware implementations, and a PPP uses the HDLC Frame Check Sequence for error detection.
Ppp frame structure free#
Some protocols expect error free transmission, and either provideĮrror detection only on a conditional basis, or do not provide it atĪll. Spurious control data which may be injected into the link by XON/XOFF to be transmitted transparently over the link, and to remove These links MUST be full-duplex, but MAY beĪn escape mechanism is specified to allow control data such as Octet-oriented synchronous links, and asynchronous links with 8 bits This specification provides for framing over both bit-oriented and Fast Frame Check Sequence (FCS) Implementation. 14 7.1 Async-Control-Character-Map (ACCM). This document describes the use of HDLC-like framing for PPPġ. Transporting multi-protocol datagrams over point-to-point links. The Point-to-Point Protocol (PPP) provides a standard method for Official Protocol Standards" (STD 1) for the standardization stateĪnd status of this protocol. Please refer to the current edition of the "Internet
Internet community, and requests discussion and suggestions for This document specifies an Internet standards track protocol for the RFC 1662: PPP in HDLC-like Framing Įrrata Exist Network Working Group W.
0 kommentar(er)
