IEEE Internet Computing
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There has been little research on quantitatively how traffic characteristics appear when video learning materials are used in teacher-oriented or self-directed class. In this paper, during the time when video learning materials are being used, we analyzed traffic characteristics using a traffic analysis tool for one of high schools and one of middle schools sampled, respectively. From the traffic measurement, we found that there are a couple of notable things. First, the total amount of traffic has been influenced on by the existence of the caching. Second, the increase of the number of computers connected has caused to stop frequently the streaming of video learning materials. From the results, it was estimated that e-learning based on video data will have many troubles according to the construction form of school network or the number of computers connected simultaneously, when dozens or hundreds of students wants to learn at the same time through Internet.