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# How does it work
UDPspeeder uses FEC(Forward Error Correction) to improve your connection's quality,at the cost of addtional bandwidth.The algorithm for FEC is Reed-Solomon.
UDPspeeder uses FEC(Forward Error Correction) to improve your connection's quality,at the cost of addtional bandwidth.The algorithm for FEC is called Reed-Solomon.
### Reed-Solomon
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In coding theory, the ReedSolomon code belongs to the class of non-binary cyclic error-correcting codes. The ReedSolomon code is based on univariate polynomials over finite fields.
It is able to detect and correct multiple symbol errors. By adding t check symbols to the data, a ReedSolomon code can detect any combination of up to t erroneous symbols, or correct up to ⌊t/2⌋ symbols. As an erasure code, it can correct up to t known erasures, or it can detect and correct combinations of errors and erasures. ReedSolomon codes are also suitable as multiple-burst bit-error correcting codes, since a sequence of b + 1 consecutive bit errors can affect at most two symbols of size b. The choice of t is up to the designer of the code, and may be selected within wide limits.
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![](/images/en/rs.png)
check wikipedia for more info, https://en.wikipedia.org/wiki/ReedSolomon_error_correction
# Getting Started