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Hierarchical Performance Evaluation Method for Describing the Interactions between Networks and Users

Sota Hatakeyama1, Chisa Takano2, and Masaki Aida1
1.Graduate School of System Design, Tokyo Metropolitan University, Tokyo 191-0065, Japan
2.Graduate School of Information Sciences, Hiroshima City University, Hiroshima 731-3194, Japan
Abstract—Information networks are an important social infrastructure, and we should ensure their stable and sustainable operation. Since retry traffic greatly impacts network stability, we should, in particular, consider retry traffic when designing and controlling communication network systems. We previously proposed a hierarchical method that uses the quasi-static approach to evaluate system performance in the presence of retry traffic. This approach is based on the fact that system response times are much shorter than the users’ perceivable time-scales. For the sake of simplicity, previous work considered a specific model that assumed that all users’ behaviors were synchronized with respect to a certain time interval even though users behave independently. This paper introduces a performance evaluation method, based on the framework of the quasi-static approach, for networks in which retry traffic is generated by users autonomously.

Index Terms—Retry traffic, IP telephony, system stability, quasi-static approach

Cite: Sota Hatakeyama, Chisa Takano, and Masaki Aida, "Hierarchical Performance Evaluation Method for Describing the Interactions between Networks and Users," Journal of Communications, vol. 9, no. 10, pp. 737-744, 2014. Doi: 10.12720/jcm.9.10.737-744
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