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The results of botnet detection methods are usually presented without any comparison. Although it is generally accepted that more comparisons with third-party methods may help to improve the area, few papers could do it. Among the factors that prevent a comparison are the difficulties to share a dataset, the lack of a good dataset, the absence of a proper description of the methods and the lack of a comparison methodology. This paper compares the output of three different botnet detection methods by executing them over a new, real, labeled and large botnet dataset. This dataset includes botnet, normal and background traffic. The results of our two methods (BClus and CAMNEP) and BotHunter were compared using a methodology and a novel error metric designed for botnet detections methods. We conclude that comparing methods indeed helps to better estimate how good the methods are, to improve the …