Modelling of Network Nodes with Threshold Mechanisms and Multi-service Sources

被引：6

作者：

Glabowski, Mariusz ^{[1
]}

Sobieraj, Maciej ^{[1
]}

机构：

[1] Poznan Univ Tech, Chair Commun & Comp Networks, Poznan, Poland

来源：

2014 16TH INTERNATIONAL TELECOMMUNICATIONS NETWORK STRATEGY AND PLANNING SYMPOSIUM (NETWORKS) | 2014年

关键词：

POINT BLOCKING PROBABILITY; MULTICAST CONNECTIONS; BANDWIDTH RESERVATION; SWITCHING-NETWORKS; SYSTEMS;

D O I：

10.1109/NETWKS.2014.6959224

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents an analytical model of multi-service systems with multi-service traffic sources that generate call streams according to the Poisson distribution, binomial distribution and negative binomial distribution. A particular attention is given to modelling of the influence of threshold mechanisms that control access of calls of particular traffic classes to resources of network nodes. Additionally, the paper proposes a method for a determination of traffic characteristics of switching networks with threshold mechanisms and multi-service traffic sources that are a key element of modern network nodes. The method developed by the authors is based on the concept of effective availability. In order to evaluate the accuracy of the proposed method appropriate, original computational and simulation programs have been used. The results obtained by the analytical model are compared with the results of the simulation experiments. The study confirms high accuracy of the proposed methods for a determination of the blocking probability in switching networks with multi-service traffic sources and threshold mechanisms.

引用

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页数：7

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