encapsulation
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... Encapsulation ...
... same link. The
PPP encapsulation has been carefully designed to retain
compatibility with most commonly used supporting hardware ...
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Only 8 additional octets are necessary to form the encapsulation
when used within the default HDLC-like framing. In environments
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... HDLC-like framing. In environments
where bandwidth is at a premium, the encapsulation and framing may
be shortened to 2 or 4 octets.
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To support high speed implementations, the default encapsulation
uses only simple fields, only one of which needs to be examined
for demultiplexing ...
... LCP). The LCP is used to automatically agree upon the
encapsulation format options, handle varying limits on sizes of
packets, detect a looped-back link and other common
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... PPP Encapsulation ...
... encapsulation is used to disambiguate multiprotocol
datagrams. This encapsulation requires framing to indicate the
beginning and end of the encapsulation. Methods ...
... datagrams. This encapsulation requires framing to indicate the
beginning and end of the encapsulation. Methods of providing framing
are specified in companion documents.
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A summary of the PPP encapsulation is shown below. The fields are
transmitted from left to right.
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... Protocol field is one or two octets, and its value identifies
the datagram encapsulated in the Information field of the packet.
The field is transmitted and received most significant octet
first.
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