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Ensures reliable communication of frames between adjacent machines.
It detects and corrects errors using checksums and error correction codes.
A discrete unit of data encapsulated for transmission.
The former does not guarantee error recovery, while the latter establishes a connection.
The receiver may lose synchronization and fail to locate frame starts.
Inserting an escape byte before flag bytes in data to prevent confusion.
Inserts a 0 after five consecutive 1s to maintain frame integrity.
Including redundancy to deduce original data or to detect errors for retransmission.
To identify an odd number of bit errors in transmitted data.
It allows detection of burst errors by computing parity over non-adjacent bits.
A value sent with data to verify integrity by comparing sums.
It is used to compute the CRC for error detection in transmitted frames.
By counting the number of differing bits between two codewords.
Detection of up to 2 errors in a block code.
It ensures correction of up to t errors in a block code.