The impact of bursty traffic on FPCF packet switch performance

Authors:
P. Homan;J. Bester;A. Kos;T. Slivnik
Affiliations:
Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, SI-1000 Ljubljana, Slovenia;Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, SI-1000 Ljubljana, Slovenia;Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, SI-1000 Ljubljana, Slovenia;Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, SI-1000 Ljubljana, Slovenia
Venue:
Computer Communications
Year:
2003

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Abstract

This paper analyses and compares the performance of forward planning conflict-free (FPCF), virtual output queuing-partitioned (VOQ-P) and virtual output queuing-shared (VOQ-S) packet switches. The influence of packet burst size, offered switch load and packet switch size are all investigated. Packet loss probability, average packet delay and 99.9% packet delay values are also derived. In comparison tests, FPCF packet switches perform better than VOQ-P packet switches and yield similar results to VOQ-S packet switches. The advantage of VOQ-S switches is manifested in somewhat lower probability of packet loss, while the advantage of FPCF switches is revealed in the limited values of their maximum packet delays.