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Peter Baumann, "Implementierung einer dynamischen Konfigurationsschnittstelle eines Netzwerküberwachungssystems," Master's Thesis, Department of Computer Science, Friedrich–Alexander University of Erlangen–Nuremberg (FAU), November 2007. (Advisors: Tobias Limmer and Falko Dressler)


Due to the rising impact of the internet in our daily life, the requirements for security and availability are more and more challenging. To find routing problems and active attacks on the network, an infrastructure to monitor the network traffic and searching for suspicous data flows or do traffic accounting for later analyses has become essential these days. The Request for Comments (RFC) 3917 defines the requirements for such a network monitoring infrastructure and the mechanisms used to export the network flows using the IPFIX protocoll. This paper describes Vermont, a reference implementation of such a network monitoring probe and shows in detail how to refactor its architecture to make it adaptable on changing network situations. In the course of this work a flexible configuration framework for Vermont was implemented to change every parameter of its settings during runtime. Furthermore, several technics were implemented and described in this work how to minimise packet loss and reduce the configuration time to be prepared for todays high speed networks. Finally, the quality of the implementation is evaluated in several meassurements taken under different network load situtations.

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Peter Baumann

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    author = {Baumann, Peter},
    title = {{Implementierung einer dynamischen Konfigurationsschnittstelle eines Netzwerk{\"{u}}berwachungssystems}},
    advisor = {Limmer, Tobias and Dressler, Falko},
    institution = {Department of Computer Science},
    location = {Erlangen, Germany},
    month = {11},
    school = {Friedrich--Alexander University of Erlangen--Nuremberg (FAU)},
    type = {Master's Thesis},
    year = {2007},

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