Istituto di Scienza e Tecnologie dell'Informazione     
Falai L., Bondavalli A., Di Giandomenico F. Quantitative evaluation of distributed algorithms using the Neko framework: the NekoStat extension. In: LADC 2005 (Salvador - Bahia, Brasil, 25-28 October 2005). Proceedings, vol. LNCS 3747 pp. 35 - 51. C.A. Maziero et al. (eds.). (Lecture Notes in Computer Science). Springer Verlag, 2005.
In this paper we present NekoStat, an extension of the Neko tool. Neko is a Java framework and a communication platform that permits rapid prototyping of distributed applications; it provides tools to organize the applications using a layered architecture, with the network(s) at the bottom of the architecture. Neko is also a communication platform that allows sending and receiving of generic Java objects. Distributed systems realized within the Neko framework can be exercised both on real networks and on simulated ones, without changes in the application code. We constructed an extension to plain Neko, called NekoStat; it permits attainment of quantitative evaluations of distributed systems. In the paper we describe this extension; we motivate the development of NekoStat, we describe the design and finally we illustrate its usage through a case study, which highlights the usefulness of NekoStat.
Subject Distributed systems

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