Pirkko Kuusela
Pirkko Kuusela, Dr
VTT, Technical research center of Finland
A Dependability Case of Funet Core Network
IP networks, composing the Internet, form a central part of the information infrastructure of the modern society. Integrated approaches to the assessment of their dependability are, however, only emerging. This paper presents three contributions for meeting this
challenge. First, we suggest a conceptual framework for considering the dependability of IP networks recognizing the full complexity of the task. Second, we propose an adaptation of the safety case methodology, a "dependability case" approach, as a practical form of organizing heterogeneous information concerning the dependability of a
communication network. The idea is, like in safety cases, to
build a structured argumentation for the support of dependability claims, based on various kinds of evidences. Third, we demonstrate this idea by building a tentative dependability case of the Funet core network.
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Biography
Dr Pirkko Kuusela received her Ph.D. degree in applied mathematics from Rutgers University, USA, in 1999. During 1999- 2005 she worked at Networking Laboratory at Helsinki University of Technology studying dynamics of TCP congestion control and related problems. She joined the Networking Analysis team at VTT in September 2007. Her current interests include the dependability of IP networks and methods to infer from network monitoring or measurement data.