TTMER35: Introduction to the ns2 Network Simulator

Measurement report

Name and neptun code of the students:

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Date of the laboratory exercise: ......................

Name of the teacher: ......................

Parts written in italic are the proposals of the author of the exercise.

Measurement tasks

Mandatory measurement tasks:

1. Practicing the usage of Tcl script language

Perform one of the following tasks designated by the teacher on the spot!

2. The usage of the Network Simulator and the Network Animator

2.1 Investigate, then run the "masodik.tcl" NS script! Answer the questions below!

Script can be runned with the ns masodik.tcl command.

2.2 Modify the script that it simulate FTP/TCP traffic instead of CBR/UDP! Run it again and answer the following questions!

3. Examination of the "fairness" of TCP protocol

Facultative measurement tasks:

4. Examination of the effects of link failures

Perform again the fairness analysis of TCP protocol so that very-short-time link failures occur on the shared link periodically.