| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 443.9KB PDF | Date added | 01 May 2003 |
| Topics | Network Security, Security Management, Denial of Service | ||
| Downloads | 14 | ||
A Distributed Denial of Service (DDoS) attack is an explicit attempt to interrupt an online service by generating a high volume of malicious traffic. These attacks consume all available network resources, thus rendering legitimate users unable to access the services. Most existing solutions propose to detect and drop attack packets at or near the destination network where the attack packets have already traversed the network and consumed considerable bandwidth. The aggregate traffic at the destination router may consist of hundreds of thousands of flows. It is hard for the router to distinguish between legitimate and malicious packets. So, collateral damage is unavoidable. This paper presents a Source Router Preferential Dropping (SRPD) scheme to detect and defeat DDoS attacks at their sources.
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