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Is there a CRC library that enables the user not only detect errors but also correct them? I'm looking for a C/C++ or Java library, ideally open-source.
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CRC is used to control such factors in received information. In this paper, the new method based on CRC has been introduced that is able to detect the exact place of double bits error and correct them. In this method the receiver divide the received data on polynomial generator, g(x), and then get the remainder.
Common Causes and Solutions: CRC errors can be caused by a number of factors. Typically they are caused by either defective cable, transceiver (SFP), switch port, upstream network device, etc. To address this error, try replacing the cable or transceiver (SFP) and check the switch port and upstream network device.
A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents.
Error Detection with the CRCWhile the use of a single parity bit allows detection of single bit errors, a second error will go undetected, as will any even number of bit errors.
I believe that CRCs can only detect errors, not correct them. That's certainly true of the most common implementation. You want some kind of error correction technique, not a CRC. I'm not aware of any libraries for doing this, but they must be easy enough to find once you know what you're looking for.
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You don't want CRC, but FEC (forward error correction). You can find an open source implementation in libfec.
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