Abstract: Based on burst error model, the mathematical expressions for the probability of occurrence of a block error and the probability of detecting a block error, as well as the detection efficiency. Analysesand simulations to determine the maximum BER that can be detected (i.e., thesaturation BER) and the minimum detection efficiency are given. Conclusions aredrawn as follows: 2×BIP-4 EDC can satisfy the performance monitoring requirement for each tandem connection. When real-time BER measurement estimation is not required, 8×BIP-1 EDC is acceptable and 6 dB extra saturation BER is provided.

Key words: optical transport network, bit interleaved parity, error detecting code