Interfacing Simulations with Live Devices and Traffic Using OPNET's ...
Interfacing Simulations with Live Devices and Traffic Using OPNET's ...
Interfacing Simulations with Live Devices and Traffic Using OPNET's ...
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1578 <strong>Interfacing</strong> <strong>Simulations</strong> <strong>with</strong> <strong>Live</strong> <strong>Devices</strong> <strong>and</strong> <strong>Traffic</strong> <strong>Using</strong> <strong>OPNET's</strong> System-in-the-LoopSystem-in-the-Loop Architecture <strong>and</strong>Workflow• The OPNET discrete event simulation kernel is responsible for:• Mapping packets received on an external network interface to a simulatedinterface <strong>and</strong> the other way around• Exchanging packets <strong>with</strong> the discrete event simulation via this mapped interface• Filtering out extraneous packets not meant for the simulation• Making sure the simulation runs as close as possible to real time• Helps maintain valid behavior <strong>with</strong> respect to the “real” world• OPNET model code responsible for providing the protocol- or devicespecificknowledge• For converting real packets to/from• OPNET St<strong>and</strong>ard Model Library packets• User-customized packets for custom models• Developing any custom protocol or device models that will be communicating<strong>with</strong> unsupported devices or protocols• OPNET provides defaults for st<strong>and</strong>ard conversions for well-known protocolsCONFIDENTIAL ─ RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format <strong>with</strong>out the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc.10
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