This paper discusses the impact of IP traffic characteristics on the system performance. For the last decade, several papers have reported that IP traffic exhibits long-range dependency or self-similarity. Because the classical teletraffic theory is not applicable to systems with such a kind of inputs, it seems to be hard to dimension networks logically. In order to alleviate this situation, in this paper, we first summarize some implications that come from the classical teletraffic theory, and then we discuss how traffic with long-range dependency or self-similarity has an impact on the system performance. Finally, we provides some useful implications of recent research results to network design.
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