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 Pages:
 9
 School:
 Carnegie Mellon University
 Course:
 Cs 15744  Computer Networks
Computer Networks Documents

L1 Intro to Computer Networks
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Carnegie Mellon Computer Science Department 15 744 Spring 2007 Problem Set 2 This problem set has 4 questions each with several parts Answer them as clearly and concisely as possible You may discuss ideas with others in the class but your solutions and writeup must be your own If you do discuss at length with others please mention in your solution for the problem who you collaborated with Do not look at anyone else s solutions or copy them from anywhere This assignment is due by 5 00pm Monday March 5th either in class or to the course secretary in Wean Hall 8018 In the first two parts you will use ns In the third part you will examine some BGP tables Although the first question is long it is not difficult it is designed to help you learn the basics of ns A NS Tutorial 1 ns is a network simulator that will be useful in homeworks the class project and in networks research in general The purpose of this question is to give you a gentle introdution to using ns and to make you familiar with the ns manual http www isi edu nsnam ns ns documentation html A 1 Setting Up Here s what you need to do before you start this question 1 Download and Install ns Download ns allinone from the ns 2 homepage This version of ns contains all the components you need including the Tcl interpreter We recommend using this build it all at once approach not only because it is less hassle free than to build ns from its constituent pieces but also because you might get different results or problems if you use a different version of ns or the Tcl interpreter Visit http www isi edu nsnam ns ns build html allinone for instructions to install ns Make sure you have enough disk space on your machine to build ns you will need around 250 Mb A version of the ns all in one package has been posted to the course webpage with install scripts modified that should easily compile on any facilitized cs machine running Linux If you don t have access to such a machine please email Jeff jeffpang 744 cs cmu edu and he
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