Computer Science homework help

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Explain and provide example when it is possible that will cover chapter 6 subjects:
 
•Network architecture components
 
•Traditional network design
 
•Building-block network design
 
–Needs analysis
 
–Technology design
 
–Cost assessment
 
Pick Two of Network Simulation Tools from the following, and Discuss, Present them on the class:
 
•[WANsim] WAN simulators and emulators http://www.wan-sim.net/
 
•[OPNET] OPNET Modeler, http://www.opnet.com/
 
•[NS2] NS2 official website, http://www.isi.edu/nsnam/ns/
 
•[NS2-wiki] NS2 resource webpage, http://nsnam.isi.edu/nsnam/index.php/Main_Page
 
•[NS3] NS3 official website, http://www.nsnam.org/documents.html
 
•[OMNeT] OMNeT++ official website, http://www.omnetpp.org/
 
•[REAL] REAL 5.0 simulator overview, http://www.cs.cornell.edu/skeshav/real/overview.html
 
•[SSFNet] Scalable Simulation Framework (SSF), SSFNet homepage, http://www.ssfnet.org/homePage.html
 
•[J-Sim] J-Sim homepage http://www.j-sim.org/
 
•[QualNet] QualNet official site, http://www.scalable-networks.com/products/•[YANS], Yet Another Network Simulator http://yans.inria.fr/code/yans/?summary
 
•[GTNetS] The Ge orgia Tech Network Simulator (GTNetS) http://www.ece.gatech.edu/research/labs/MANIACS/GTNetS