#1
July 23rd, 2016, 08:56 AM
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IIT Bombay NS2 Tutorial
Hi I would like to have the information about the tutorial on the NS2 for the Indian Institute of Technology, Bombay?
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#2
July 23rd, 2016, 09:16 AM
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Re: IIT Bombay NS2 Tutorial
NS-2 is a Free Open Source Network Simulator. Definition: A simulation imitates the behaviour of a system. Simulate when actual system is too: Expensive, dangerous or time consuming to learn Complicated to mould analytically Many areas use simulation: Aerospace engineering Electronic circuit design Structural design Computer networks! NS - The Network Simulator Started as variant of REAL simulator (1989) Main participants: VINT project at LBNL Xerox PARC UCB USC/ISI Development funded by DARPA, NSF Significant contributions from user community UCB Deadelus project CMU Monarch project Sun Microsystems Severals contributions from all around the world that are not part of the distribution NS - Basics NS is a discrete-event based simulator. A network is composed from: Nodes Links Agents Demo: building a simple network with NAM editor Examples of events: An agent sends a packet A node moves to another place A link fails Installing and running NS NS: Internal Organization NS uses a split programming approach C++ when speed is required Processing packets Implementing algorithms OTcl for combining components and configuration Specifying a simulation NS: Overview of a Simulation 1 Specify network configuration in an OTcl script 2 Specify traffic 3 Any other events at network components 4 Run NS 5 NS writes a log of events to a trace file 6 Analyze trace file for events of our interest. 7 Optionally, use a network visualizer like NAM NS is used in . . . Research Education Network emulation Introducing simulator elements into a real network Network protocol implementation AODV-UU - simulator code formed basis for actual Implementation |
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