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Denial of Service Protection for Optimized and QoS-aware Handover Based on Localized Cookies

Please always quote using this URN:urn:nbn:de:0296-matheon-345
  • Quality of Service (QoS) mechanisms in networks supporting mobile Internet communications give rise to new threats: these mechanisms could be abused by malicious entities launching so-called Denial of Service (DoS) attacks. If the network can not efficiently check the credibility of a QoS-request during a handover process, malicious entities could flood the network with bogus QoSrequests; if the authentication check is performed by means of an AAA protocol before the access network commits its resources to the request, the authentication process may not only introduce a notable latency to the handover process, but also generate an extensive traffic which degrades the signaling capacity in the network when there are a considerable amount of malicious requests. In order to defend against these kinds of attacks and meet the low-latency micro-mobility handover requirement, we 1propose to have a preliminary authentication check with a cookie-based mechanism before processing the requests and performing authentication and authorization. The performance evaluation shows that the cookie-based mechanism is efficient in dealing with the identified issues.

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Metadaten
Author:Tianwei Chen, Günter Schäfer, Changpeng Fan, Stefan Adams, Michel Sortais, Adam Wolisz
URN:urn:nbn:de:0296-matheon-345
Referee:Volker Mehrmann
Document Type:Preprint, Research Center Matheon
Language:English
Date of first Publication:2004/05/01
Release Date:2004/05/01
Institute:Technische Universität Berlin
Preprint Number:32
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