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A '''bit-oriented protocol''' is a [[communications protocol]] that sees the transmitted [[data (computing)|data]] as an ''opaque'' stream of [[bit]]s with no [[semantics]], or meaning. [[Control code]]s are defined in terms of bit sequences instead of [[character (computing)|character]]s. Bit oriented protocol can transfer [[data frame]]s regardless of frame contents. It can also be stated as "[[bit stuffing]]".

Synchronous framing High-Level Data Link Control may work like this:<ref>{{cite book |editor1-last=Lam |editor1-first=Simon S. |title=Principles of Communication and Networking Protocols |date=1984 |publisher=IEEE Computer Society Press |isbn=0-8186-0582-0 |page=67 |url=https://www.cs.utexas.edu/users/lam/Vita/IEEEbook/Chapter2.PDF |access-date=February 11, 2024}}</ref>
* Each frame begins and ends with a special bit pattern 01111110, called a flag byte.
* A [[bit stuffing]] technique is used to prevent the receiver from detecting the special flag byte in user data e.g. whenever the sender's data link layer encounters 5 consecutive 1 (one) in the data, it automatically stuffs 0 into the outgoing stream.

==See also==
* [[Byte-oriented protocol]]

==References==
{{Reflist}}
* [http://www.linktionary.com/b/bit_oriented.html Linktionary page for bit-oriented protocol]

[[Category:Data transmission]]
[[Category:Telecommunication protocols]]

{{comp-sci-stub}}

Bit-oriented protocol - Revision history

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