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| Link Layer
Mechanisms |
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| Forward
Error Correction |
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| n | Forward
Error Correction (FEC) can be use to |
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| correct
small number of errors |
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| n | Correctable
errors hidden from the TCP sender |
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| n | FEC
incurs overhead even when errors do not |
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| occur |
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| – | Adaptive
FEC schemes can reduce the overhead by |
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| choosing
appropriate FEC dynamically |
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| n | FEC
does not guard/protect from packet loss due |
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| to
handover |
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