Performance analysis and simulation of an equivalent model of serial queues for computer networks
MOAS'07 Proceedings of the 18th conference on Proceedings of the 18th IASTED International Conference: modelling and simulation
A tool for the analysis of hierarchical service-oriented extended open fork/join queueing networks
Proceedings of the 2nd international conference on Performance evaluation methodologies and tools
Approximate analysis and measurement of equivalent model for tree connection of web server systems
PDCS '07 Proceedings of the 19th IASTED International Conference on Parallel and Distributed Computing and Systems
DNCOCO'09 Proceedings of the 8th WSEAS international conference on Data networks, communications, computers
Performance analysis and simulation of an equivalent model of serial queues for computer networks
MS '07 The 18th IASTED International Conference on Modelling and Simulation
Web delay analysis and reduction by using load balancing of a DNS-based web server cluster
International Journal of Computers and Applications
WSEAS TRANSACTIONS on COMMUNICATIONS
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In this paper, we describe QNAT, a software tool developed at Indian Institute of Technology, Kanpur, India, for the analysis and simulation of queuing networks. Arbitrary configurations of open or closed networks of multi-server queues with infinite or finite capacity, fork-join queues with or without synchronization queues can be analyzed or simulated using QNAT. Queuing Networks with multiple classes of customers may be specified with each class being a closed or an open class independently. If there are finite capacity queues in the system, the type of blocking mechanism - transfer, repetitive service or rejection, can also be specified. For the applications where the accuracy of the results is important, an option to simulate the network is also provided. QNAT has proved to be a useful tool for the design of telecommunication systems, computer networks, modeling of industrial systems, design of banking systems, teaching courses and research on queuing theory etc. 1 QNAT is a user-friendly analysis tool, developed with a Windows based Graphical User Interface (GUI). Mathematica forms the computing platform for QNAT due to its ability to perform symbolic computation.