Evaluation of bulk traffic mitigation practices in campus network

With the fast growing of internet, ISPs are faced with added challenges from unwanted bulk traffic. To deal with this problem, Tsinghua university implements bulk traffic mitigation practices to contain excessive use of bandwidth. Result indicates that current strategy can effectively decrease heavy use of bandwidth from aggressive applications. The strategy selection, effectiveness of the different practice and the selection of the quota limit are studied aided by the traffic statistics with and without these practices. Challenges to current bulk traffic mitigation practices are also discussed.