Beijing Key Laboratory of Internet Culture and Digital Dissemination Research,Beijing,100101,China;
Beijing Advanced Innovation Center for Materials Genome Engineering,Beijing Information Science and Technology University,Beijing,100101,China;
School of Computer,Beijing Information Science&Technology University,Beijing,100101,China;
Department of Information Science,University of Arkansas at Little Rock,Little Rock,72204,USA;
CCN; interest flooding attack; self-similar feature; information entropy; bilateral detection method;