A Model-Based Performance Management Tool for ATM and Frame Relay Networks

D. Tsaih, G. Lapiotis, S. Panwar, L. Tassiulas

Research output: Contribution to journalArticle

Abstract

In this paper we describe a network modeling approach intended to assist in the performance management, design, and optimization of broadband traffic networks. Switch and source models, as well as routing optimization and decision support algorithms have been integrated in a prototype software tool, called DATANMOT (Data Network Modeling and Optimization Tool). The switch models developed are based on standard Frame Relay and ATM switch implementations. Specifically, an analytical model of the Fujitsu FETEX 150 ATM switch is described here in detail. Fluid-flow approximation methods were used for performance evaluation, with computational complexity low enough for near-real time applications. As a result, given the network configuration and input traffic, an evaluation of the quality of service can be derived and used in optimal routing, admission control and network planning. These techniques have been incorporated in our modeling tool to demonstrate the model-based approach to network management. In addition, all configuration, modeling, and management functions of the software tool are supported by a graphical user interface, and a database system.

Original languageEnglish (US)
Pages (from-to)399-428
Number of pages30
JournalJournal of Network and Systems Management
Volume6
Issue number4
DOIs
StatePublished - 1998

Keywords

  • ATM
  • Broadband networks
  • Network design
  • Performance management

ASJC Scopus subject areas

  • Information Systems
  • Hardware and Architecture
  • Computer Networks and Communications
  • Strategy and Management

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