#! /bin/sh# usage to run this program#         ./modelSim###The file isiweb.tcl is a ns script that demonstrates how to use#the output of ModelGen (the set of CDF files in ./cdf) to simulate #the traffic collected at ISI/USC gateway link. To execute it,#assuming you already have ns installed in your system, type#"ns isiweb.tcl" from the command line. It takes ~1 hour on a#Red Hat Linux 7.0 Pentium II Xeon 450 MHz PC with 1GB physical#memory.#ns isigen.tcl > sim.log## the set of tcl/awk/perl scripts are used to# compute the time series of traffic size for# both inbound and outbound ISI traffic from# the output of ns. The resulted time series# isi.time (inbound traffic) and www.time # (outbound traffic) can further be used to perform# wavelet scaling analysis#awk -f filter.awk < isi.in > in.timeawk -f filter.awk < isi.out > out.timefilter.tcl www.in > www.in.timefilter.tcl www.out > www.out.timecat in.time out.time | sort -n > isi.mergecat www.in.time www.out.time | sort -n > www.mergecat isi.merge | time-series.pl > isi.timecat www.merge | time-series.pl > www.time## modelCDF is a perl script that are used to# generate, in a CDF format, the following # user-level statistics for further validation of # the model# (a) session inter-arrival# (b) number of pages per session# (c) page inter-arrival# (d) page size# (e) request size# (f) server popularity# The CDF flie is in 3-column format (take pagesize.dat.cdf for example)# 1st column: page size (in KB)# 2nd column: accumulated number of samples# 3rd column: accumulated probability#sort -n +2 +5 sim.log > sim.log.sortedmodelCDF sim.log.sorted