Dynamic Exposure Control in P2PSIP Networks

Oussema Dabbebi 1 Badonnel Rémi 1 Festor Olivier 1
1 MADYNES - Management of dynamic networks and services
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : Voice over IP services have undergone a large-scale deployment thanks to the development of high-speed broadband access and the standardization of dedicated signaling protocols. They offer new opportunities, in particular in the context of peer-to-peer networks. However they are exposed to multiple security attacks due to a lower confinement in comparison to traditional networks. Protection mechanisms are available, but may significantly impact the service performance. We propose in this paper a risk management strategy for dynamically adapting the exposure of P2PSIP networks. We describe the underlying mechanisms for mitigating risks based on a portfolio of countermeasures. We also detail the mathematical modeling which supports our solution based on the analysis of a case study. Finally we quantify the benefits and limits of this approach through an extensive set of experiments performed with the OMNET++ simulator.
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Rapport
[Research Report] 2011
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Oussema Dabbebi, Badonnel Rémi, Festor Olivier. Dynamic Exposure Control in P2PSIP Networks. [Research Report] 2011. 〈hal-00646808〉

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