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Modeling and Computer Simulation (TOMACS)

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ACM Transactions on Modeling and Computer Simulation (TOMACS), Volume 11 Issue 1, Jan. 2001

Comparing the QoS of Internet audio mechanisms via formal methods
Alessandro Aldini, Marco Bernardo, Roberto Gorrieri, Marco Roccetti
Pages: 1-42
DOI: 10.1145/379525.379526
We compute and compare the quality of service (QoS) of three soft real-time applications for audio transmissions over the Internet. The main metric we want to capture is the average packet audio playout delay vs. the packet loss rate as...

Performance and fluid simulations of a novel shared buffer management system
Krishnan Kumaran, Debasis Mitra
Pages: 43-75
DOI: 10.1145/379525.379527
We consider a switching system that has multiple ports that share a common buffer, in which there is a FIFO logical queue for each port. Each port may support a large number of flows or connections, which are approximately homogeneous in their...

Estimating small cell-loss ratios in ATM switches via importance sampling
Pierre L'Ecuyer, Yanick Champoux
Pages: 76-105
DOI: 10.1145/379525.379528
The cell-loss ratio at a given node in an ATM switch, defined as the steady-state fraction of packets of information that are lost at that node due to buffer overflow, is typically a very small quantity that is hard to estimate by simulation....

The distributed mission training integrated threat environment system architecture and design
Martin R. Stytz, Sheila B. Banks
Pages: 106-133
DOI: 10.1145/379525.379529
We describe the architecture, design, components, and functionality of the Distributed Mission Training Integrated Threat Environment (DMTITE) software. The DMTITE architecture and design support the development and run-time operation of...