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redundancy check

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.01 sec.

redundancy check

In communications, a method for detecting transmission errors by appending a calculated number onto the end of each segment of data. See CRC.


redundancy check [ri′dən·dən·sē ‚chek]
(computer science)
A forbidden-combination check that uses redundant digits called check digits to detect errors made by a computer.


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Many components of a storage system may have data protection designed-in such as Error Correction Code (ECC) memory or Cyclic Redundancy Check (32 bit) (CRC-32) in Serial Attached SCSI (SAS), Serial Advanced Technology Attachment (SATA) and fibre channel (FC) Input/output (I/O) interfaces.
Many hospitals, after reviewing the alternatives, have come to view a complete external review redundancy check as a cheap option.
In addition, packetization and cyclic redundancy check (CRC) techniques ensure robust transmissions, while data shaping narrows the occupied bandwidth to maximize efficiency.
 
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