C.-L. Chang and C.-Y. Yang (Taiwan)
Campus network, traffic measurement, and user authentication.
Accelerated growth in Internet bandwidth and Internet users have increased network management complexity. This issue is more pronounced in campus networks as the scale of such networks has increased dramatically. As a result of computer viruses and abnormal peer-to-peer users, some computers use a substantial amount of network bandwidth. Therefore, normal users are probably unable to obtain the correspondent quality service when using the networks. This situation can be considered an unfair allocation of bandwidth. This work proposes a novel layer-based network bandwidth management framework that significantly decreases implementation complexity, achieves fair bandwidth allocation and resolves problems associated with stolen IP addresses. Based on existing campus networks, three components are utilized— traffic measurement, user authentication server, and edge gateway—to offer cost-effective network management. The proposed framework tracks user logins, and, with information gathered by monitoring network packets, the amount of bandwidth consumed by each user and that by each subnet is estimated to provide flow-based bandwidth management and subnet-level fair bandwidth allocations. Simulation results demonstrate that the proposed framework achieves fair bandwidth usage in the subnet and backbone.
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