On robustness and countermeasures of reliable server pooling systems against denial of service attacks

Authors:
Thomas Dreibholz;Erwin P. Rathgeb;Xing Zhou
Affiliations:
University of Duisburg-Essen, Institute for Experimental Mathematics, Essen, Germany;University of Duisburg-Essen, Institute for Experimental Mathematics, Essen, Germany;Hainan University, College of Information Science and Technology, Haikou, Hainan, China
Venue:
NETWORKING'08 Proceedings of the 7th international IFIP-TC6 networking conference on AdHoc and sensor networks, wireless networks, next generation internet
Year:
2008

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Abstract

The Reliable Server Pooling (RSerPool) architecture is the IETF's novel approach to standardize a light-weight protocol framework for server redundancy and session failover. It combines ideas from different research areas into a single, resource-efficient and unified architecture. While there have already been a number of contributions on the performance of RSerPool for its main tasks - pool management, load distribution and failover handling - the robustness of the protocol framework has not yet been evaluated against intentional attacks. The first goal of this paper is to provide a robustness analysis. In particular, we would like to outline the attack bandwidth necessary for a significant impact on the service. Furthermore, we present and evaluate our countermeasure approach to significantly reduce the impact of attacks.