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Overview:

A high profile internet server is always a target of denial-of-service attacks. This paper proposes a novel technique for protecting an internet server from distributed denial-of-service attacks. The defense mechanism is based on a distributed algorithm that performs weight-fair throttling at the upstream routers. The throttling is weight-fair because the traffics destined for the server are controlled increased or decreased) by the leaky-buckets at the routers based on the number of users connected, directly or through other routers, to each router. To the best of the knowledge, this is the first weight-fair technique for saving an internet server from denial-of-service attacks.

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Format:PDFSize:318 KB
Date:Jul 2008
Pages:13

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