On the self-similar nature of Ethernet traffic (extended version)
IEEE/ACM Transactions on Networking (TON)
On merging and splitting of self-similar traffic in high-speed networks
ICCC '95 Proceedings of the 12th international conference on computer communication on Information highways : for a smaller world and better living: for a smaller world and better living
A wavelet-based joint estimator of the parameters of long-range dependence
IEEE Transactions on Information Theory
On the impact of IEEE 802.11 MAC on traffic characteristics
IEEE Journal on Selected Areas in Communications
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Fractal or scaling phenomena, such as self-similarity and long-range dependence, have been detected in network traffic, with important implications for network performance. This paper describes how the characteristics of traffic change when it traverses IEEE 802.11 networks. First, a simple, unidirectional traffic scenario with two nodes has been simulated. This scenario and two more general situations that include the hidden node situation and the effect of relaying (which appears in multihop communications) have been replicated in a real testbed. The most significant results are the smoothing effect of the MAC mechanisms on the traffic at the highest frequencies, while at the lowest frequencies a mitigation of fractality seems to be caused by packet loss induced by propagation impairments, with an overall effect of mitigation of the scaling characteristics on the output traffic. On the other hand, the scenarios with traffic aggregation show an increase of fractality.