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k. claffy, H.-W. Braun, and G. Polyzos, "Application of sampling methodologies to wide-area network traffic characterization", in ACM SIGCOMM '93, May 1993.
Application of sampling methodologies to wide-area network traffic characterization
Authors: k. claffy
H.-W. Braun
G. Polyzos
Published: ACM SIGCOMM, 1993
URL:http://www.caida.org/publications/papers/1993/asmw/
Entry Date: 2004-02-06
Abstract:

The relative performance of different data collection methods in the assessment of various traffic parameters is significant when the amount of data generated by a complete trace of a traffic interval is computationally overwhelming, and even capturing summary statistics for all traffic is impractical. This paper presents a study of the performance of various methods of sampling in answering questions related to wide area network traffic characterization. Using a packet trace from a network environment that aggregates traffic from a large number of sources, we simulate various sampling approaches, including time-driven and event-driven methods, with both random and deterministic selection patterns, at a variety of granularities. Using several metrics which indicate the similarity between two distributions, we then compare the sampled traces to the parent population. Our results revealed that the time-triggered techniques did not perform as well as the packet-triggered ones. Furthermore, the performance differences within each class (packet-based or time-based techniques) are small.

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