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Bandwidth-efficient resilience in metro networks - a fast network-processor-based RPR implementation

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4 Author(s)
A. Kirstadter ; Siemens AG, Corporate Technol., Munchen, Germany ; A. Hof ; W. Meyer ; E. Wolf

Resilience is becoming a key design issue for future packet networks. The IEEE 802.17 resilient packet ring protocol has been developed. to provide the necessary cost and bandwidth efficient restoration mechanisms for traffic aggregation networks in the metropolitan area. In this paper we describe our network processor based implementation for RPR together with a bandwidth-efficient protection steering mechanism we selected. Measurement results from system integration test and a field trial prove excellent reconfiguration times well within 50 milliseconds for this solution based on reconfigurable hardware.

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High Performance Switching and Routing, 2004. HPSR. 2004 Workshop on

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