Minority First Gateway for Protecting QoS of Legitimate Traffic from Intentional Network Congestion 


Vol. 30,  No. 7, pp. 489-498, Jul.  2005


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  Abstract

A Denial of Service (DoS) attack attempts to prevent legitimate users of a service from being adequately served by monopolizing networks resources and, eventually, resulting in network or system congestion. This paper proposes a Minority First (MF) gateway, which is capable of guaranteeing the Quality of Service (QoS) of legitimate service traffic under DoS situations. A MF gateway can rapidly determine whether an aggregated flow is a congestion-nducer and can protect the QoS of legitimate traffic by providing high priority service to the legitimate aggregate flows, and localize network congestion only upon attack traffic by providing low priority to aggregate flows regarded as congestion-inducer. We verify through simulation that the suggested mechanism possesses excellence in that it guarantees the QoS of legitimate traffic not only under a regular DoS occurrence, but also under a Distributed DoS (DDoS) attack which brings about multiple concurrent occurrences of network congestion.

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  Cite this article

[IEEE Style]

G. Ahn, "Minority First Gateway for Protecting QoS of Legitimate Traffic from Intentional Network Congestion," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 489-498, 2005. DOI: .

[ACM Style]

Gae-Il Ahn. 2005. Minority First Gateway for Protecting QoS of Legitimate Traffic from Intentional Network Congestion. The Journal of Korean Institute of Communications and Information Sciences, 30, 7, (2005), 489-498. DOI: .

[KICS Style]

Gae-Il Ahn, "Minority First Gateway for Protecting QoS of Legitimate Traffic from Intentional Network Congestion," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 489-498, 7. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880