BIP-Based Alarm Declaration and Clearing in SONET Networks Employing Automatic Protection Switching, Vitalice K. Oduol, Cemal Ardil, International Journal of Computer, Information, and Systems Science, and Engineering, Vol.3, No.1, pp.30-35, 2009

Citation:
KALECHA DRODUOLVITALIS. "BIP-Based Alarm Declaration and Clearing in SONET Networks Employing Automatic Protection Switching, Vitalice K. Oduol, Cemal Ardil, International Journal of Computer, Information, and Systems Science, and Engineering, Vol.3, No.1, pp.30-35, 2009.". In: International Journal of Computer, Information, and Systems Science, and Engineering, Vol.3, No.1, pp.30-35, 2009. World Academy of Science, Engineering and Technology; 2009.

Abstract:

The paper examines the performance of bit-interleaved parity (BIP) methods in error rate monitoring, and in declaration and clearing of alarms in those transport networks that employ automatic protection switching (APS). The BIP-based error rate monitoring is attractive for its simplicity and ease of implementation. The BIP-based results are compared with exact results and are found to declare the alarms too late, and to clear the alarms too early. It is concluded that the standards development and systems implementation should take into account the fact of early clearing and late declaration of alarms. The window parameters defining the detection and clearing thresholds should be set so as to build sufficient hysteresis into the system to ensure that BIP-based implementations yield acceptable performance results.

Notes:

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