test-suite-sack.tcl
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- #
- # Copyright (c) 1995 The Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the Computer Systems
- # Engineering Group at Lawrence Berkeley Laboratory.
- # 4. Neither the name of the University nor of the Laboratory may be used
- # to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/tcl/test/test-suite-sack.tcl,v 1.30 2006/12/24 17:04:44 sallyfloyd Exp $
- #
- source misc_simple.tcl
- source support.tcl
- # FOR UPDATING GLOBAL DEFAULTS:
- Agent/TCP set minrto_ 1
- # default changed on 10/14/2004.
- Queue/RED set bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set queue_in_bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set q_weight_ 0.002
- Queue/RED set thresh_ 5
- Queue/RED set maxthresh_ 15
- # The RED parameter defaults are being changed for automatic configuration.
- TestSuite instproc finish file {
- global quiet PERL
- set wrap 90
- exec $PERL ../../bin/getrc -s 2 -d 3 all.tr |
- $PERL ../../bin/raw2xg -s 0.01 -m $wrap -t $file > temp.rands
- if {$file == "FalsePipe"} {
- exec $PERL ../../bin/getrc -s 3 -d 2 all.tr |
- $PERL ../../bin/raw2xg -a -s 0.01 -m $wrap -t $file > temp1.rands
- } else {
- exec $PERL ../../bin/getrc -s 3 -d 2 all.tr |
- $PERL ../../bin/raw2xg -a -c -s 0.01 -m $wrap -t $file > temp1.rands
- }
- if {$quiet == "false"} {
- if {$file == "FalsePipe"} {
- exec $PERL ../../bin/getrc -e -s 0 -d 2 all.tr |
- $PERL ../../bin/raw2xg -c -v -s 0.01 -m $wrap -t $file > temp2.rands
- exec $PERL ../../bin/getrc -e -s 4 -d 3 all.tr |
- $PERL ../../bin/raw2xg -c -a -s 0.01 -m $wrap -t $file > temp3.rands
- exec xgraph -bb -tk -nl -m -x time -y packets temp.rands
- temp1.rands temp2.rands temp3.rands &
- } else {
- exec xgraph -bb -tk -nl -m -x time -y packets temp.rands
- temp1.rands &
- }
- }
- ## now use default graphing tool to make a data file
- ## if so desired
- # exec csh gnuplotC2.com temp.rands temp1.rands $file
- ##
- exit 0
- }
- Class Topology
- Topology instproc node? num {
- $self instvar node_
- return $node_($num)
- }
- #
- # Links1 uses 8Mb, 5ms feeders, and a 800Kb 100ms bottleneck.
- # Queue-limit on bottleneck is 6 packets.
- #
- Class Topology/net0 -superclass Topology
- Topology/net0 instproc init ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(k1) [$ns node]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 8Mb 5ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 8Mb 5ms DropTail
- $ns duplex-link $node_(r1) $node_(k1) 800Kb 100ms DropTail
- $ns queue-limit $node_(r1) $node_(k1) 6
- $ns queue-limit $node_(k1) $node_(r1) 6
- }
- #
- # Links1 uses 10Mb, 5ms feeders, and a 1.5Mb 100ms bottleneck.
- # Queue-limit on bottleneck is 23 packets.
- #
- Class Topology/net1 -superclass Topology
- Topology/net1 instproc init ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(k1) [$ns node]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 10Mb 5ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 10Mb 5ms DropTail
- $ns duplex-link $node_(r1) $node_(k1) 1.5Mb 100ms DropTail
- $ns queue-limit $node_(r1) $node_(k1) 23
- $ns queue-limit $node_(k1) $node_(r1) 23
- }
- Class Topology/net2 -superclass Topology
- Topology/net2 instproc init ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(r2) [$ns node]
- set node_(s3) [$ns node]
- set node_(s4) [$ns node]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 10Mb 2ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 10Mb 3ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 20ms RED
- $ns queue-limit $node_(r1) $node_(r2) 25
- $ns queue-limit $node_(r2) $node_(r1) 25
- $ns duplex-link $node_(s3) $node_(r2) 10Mb 4ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 10Mb 5ms DropTail
- }
- Class Topology/net3 -superclass Topology
- Topology/net3 instproc init ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(r2) [$ns node]
- set node_(s3) [$ns node]
- set node_(s4) [$ns node]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 100Mb 1ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 100Mb 1ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 10Mb 200ms RED
- $ns duplex-link $node_(s3) $node_(r2) 100Mb 1ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 100Mb 1ms DropTail
- }
- Class Topology/net4 -superclass Topology
- Topology/net4 instproc init ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(k1) [$ns node]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 10Mb 5ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 10Mb 5ms DropTail
- $ns duplex-link $node_(r1) $node_(k1) 1.5Mb 20ms DropTail
- $ns queue-limit $node_(r1) $node_(k1) 25
- $ns queue-limit $node_(k1) $node_(r1) 25
- }
- TestSuite instproc drops4 {delayPkt delay} {
- $self instvar ns_ node_
- set list {7 8 9 10}
- set link [$ns_ link $node_(r1) $node_(r2)]
- set fid 1
- $self dropPkts $link $fid $list $delayPkt $delay
- }
- # single packet drop
- Class Test/sack1 -superclass TestSuite
- Test/sack1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1
- set guide_ "Guide: SACK TCP, single packet drop"
- $self next pktTraceFile
- }
- Test/sack1 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 14
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 1.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack1z -superclass TestSuite
- Test/sack1z instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1z
- set guide_ "Guide: SACK TCP, single packet drop, with maxburst"
- $self next pktTraceFile
- }
- Test/sack1z instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- Agent/TCP set maxburst_ 4
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 14
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
-
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # three packet drops
- Class Test/sack1a -superclass TestSuite
- Test/sack1a instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1a
- set guide_ "Guide: SACK TCP, three packet drops"
- $self next pktTraceFile
- }
- Test/sack1a instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 20
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
-
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # three packet drops
- Class Test/sack1aa -superclass TestSuite
- Test/sack1aa instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1aa
- set guide_ "Guide: SACK TCP, three packet drops, with maxburst"
- $self next pktTraceFile
- }
- Test/sack1aa instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- Agent/TCP set maxburst_ 4
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 20
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
-
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack1b -superclass TestSuite
- Test/sack1b instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1b
- set guide_ "Guide: SACK TCP, many packet drops, window=26"
- $self next pktTraceFile
- }
- Test/sack1b instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 26
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
-
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack1c -superclass TestSuite
- Test/sack1c instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack1c
- set guide_ "Guide: SACK TCP, many packet drops, window=27"
- $self next pktTraceFile
- }
- Test/sack1c instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 27
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 5.0 $testName_]
- $ns_ at 5.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack3 -superclass TestSuite
- Test/sack3 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sack3
- set guide_ "Guide: SACK TCP, drops from a small window"
- $self next pktTraceFile
- }
- Test/sack3 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ queue-limit $node_(r1) $node_(k1) 8
- $ns_ queue-limit $node_(k1) $node_(r1) 8
-
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 100
- $tcp1 set bugFix_ false
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- $tcp2 set window_ 16
- $tcp2 set bugFix_ false
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- $ns_ at 1.0 "$ftp1 start"
- $ns_ at 0.5 "$ftp2 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
- $ns_ at 4.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack5 -superclass TestSuite
- Test/sack5 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net1
- set test_ sack5
- set guide_ "Guide: SACK TCP, many drops, without maxburst"
- $self next pktTraceFile
- }
- Test/sack5 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ delay $node_(s1) $node_(r1) 3ms
- $ns_ delay $node_(r1) $node_(s1) 3ms
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 50
- $tcp1 set bugFix_ false
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- $tcp2 set window_ 50
- $tcp2 set bugFix_ false
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- $ns_ at 1.0 "$ftp1 start"
- $ns_ at 1.75 "$ftp2 produce 100"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 6.0 $testName_]
- $ns_ at 6.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack5a -superclass TestSuite
- Test/sack5a instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net1
- set test_ sack5a
- set guide_ "Guide: SACK TCP, many drops, with maxburst"
- $self next pktTraceFile
- }
- Test/sack5a instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- Agent/TCP set maxburst_ 4
- $ns_ delay $node_(s1) $node_(r1) 3ms
- $ns_ delay $node_(r1) $node_(s1) 3ms
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 50
- $tcp1 set bugFix_ false
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- $tcp2 set window_ 50
- $tcp2 set bugFix_ false
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- $ns_ at 1.0 "$ftp1 start"
- $ns_ at 1.75 "$ftp2 produce 100"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 6.0 $testName_]
- $ns_ at 6.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # shows a long recovery from sack.
- Class Test/sackB2 -superclass TestSuite
- Test/sackB2 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net0
- set test_ sackB2
- set guide_ "Guide: SACK TCP, a connection with a long recovery"
- Agent/TCP set windowInit_ 1
- $self next pktTraceFile
- }
- Test/sackB2 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ queue-limit $node_(r1) $node_(k1) 9
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 50
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- $tcp2 set window_ 20
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- $ns_ at 1.0 "$ftp1 start"
- $ns_ at 1.0 "$ftp2 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 8.0 $testName_]
- $ns_ at 8.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # two packets dropped
- Class Test/sackB4 -superclass TestSuite
- Test/sackB4 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net2
- set test_ sackB4
- set guide_ "Guide: SACK TCP, two packets dropped"
- $self next pktTraceFile
- }
- Test/sackB4 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(r2) 0]
- $tcp1 set window_ 40
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 2.0 $testName_]
- $ns_ at 2.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # two packets dropped
- Class Test/sackB4a -superclass TestSuite
- Test/sackB4a instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net2
- set test_ sackB4a
- set guide_ "Guide: SACK TCP, two packets dropped, with maxburst"
- $self next pktTraceFile
- }
- Test/sackB4a instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- Agent/TCP set maxburst_ 4
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(r2) 0]
- $tcp1 set window_ 40
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace 2.0 $testName_]
- $ns_ at 2.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # Incorrect estimated pipe value
- # Four packets delayed, no packets dropped.
- Class Test/FalsePipe -superclass TestSuite
- Test/FalsePipe instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net3
- set test_ FalsePipe
- set guide_ "Guide: SACK TCP, four packets delayed"
- $self next pktTraceFile
- }
- Test/FalsePipe instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $self June01defaults
- $ns_ eventtrace-all
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 1]
- $tcp1 set window_ 8
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 3.0
- #delay packet 7, 8, 9, 10
- $self drops4 true 0.1
- $ns_ at 3.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # Incorrect estimated pipe value
- # One packet dropped, four packets delayed.
- Class Test/FalsePipe1 -superclass TestSuite
- Test/FalsePipe1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net3
- set test_ FalsePipe1
- set guide_ "Guide: SACK TCP, one packet dropped and four packets delayed"
- $self next pktTraceFile
- }
- Test/FalsePipe1 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $self June01defaults
- $ns_ eventtrace-all
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 1]
- $tcp1 set window_ 20
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 3.0
- #delay packet 7, 8, 9, 10
- $self drops4 true 0.5
- $self dropPkts [$ns_ link $node_(r1) $node_(r2)] 1 7
- $ns_ at 3.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- Class Test/sack_dupacks -superclass TestSuite
- Test/sack_dupacks instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net4
- set test_ sack_dupacks
- set guide_ "Guide: SACK TCP, Fast Recovery with standard numdupacks"
- $self next pktTraceFile
- }
- Test/sack_dupacks instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 200
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.1 "$ftp1 start"
- $self tcpDump $tcp1 1.0
- # trace only the bottleneck link
- $ns_ at 3.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- # finite flow
- # make sure that the last packets are fast retransmitted if lost
- Class Test/sack_finiteflow -superclass TestSuite
- Test/sack_finiteflow instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net4
- set test_ sack_finiteflow
- set guide_ "Guide: SACK TCP, Fast Recovery with last packets in a finite flow"
- $self next pktTraceFile
- }
- Test/sack_finiteflow instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- puts $guide_
- $ns_ duplex-link $node_(r1) $node_(k1) 100Mb 5ms DropTail
- $ns_ queue-limit $node_(r1) $node_(k1) 4
- $ns_ queue-limit $node_(k1) $node_(r1) 4
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(r1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set window_ 200
- set ftp1 [$tcp1 attach-app FTP]
- # send 21 packets only
- set bytesToSend [expr 21 * [ $tcp1 set packetSize_ ] ]
- $ns_ at 0.01 "$ftp1 send $bytesToSend"
- $self tcpDump $tcp1 0.1
- # trace only the bottleneck link
- $ns_ at 3.0 "$self cleanupAll $testName_"
- $ns_ run
- }
- #
- # Sack_dupacks1 tests "numdupacksFrac_", for increasing numdupacks
- # up to a specified fraction of the current congestion window.
- #
- Class Test/sack_dupacks1 -superclass TestSuite
- Test/sack_dupacks1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net4
- set test_ sack_dupacks1
- set guide_ "Guide: SACK TCP, Fast Recovery with modified numdupacks"
- Agent/TCP set numdupacksFrac_ 4
- Test/sack_dupacks1 instproc run {} [Test/sack_dupacks info instbody run]
- $self next pktTraceFile
- }
- # delayed ack not implemented yet
- #Class Test/delayedSack -superclass TestSuite
- #Test/delayedSack instproc init {} {
- # $self instvar net_ test_ guide_
- # set net_ net0
- # set test_ delayedSack
- # set guide_ "simple"
- # $self next pktTraceFile
- #}
- #Test/delayedSack instproc run {} {
- # $self instvar ns_ node_ testName_ guide_
- # $self setTopo
- # puts $guide_
- # set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- # $tcp1 set window_ 50
- #
- # # lookup up the sink and set it's delay interval
- # [$node_(k1) agent [$tcp1 dst-port]] set interval 100ms
- #
- # set ftp1 [$tcp1 attach-app FTP]
- # $ns_ at 1.0 "$ftp1 start"
- #
- # $self tcpDump $tcp1 1.0
- #
- # # trace only the bottleneck link
- # #$self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
- # $ns_ run
- # }
- ## segregation
- #Class Test/phaseSack -superclass TestSuite
- #Test/phaseSack instproc init {} {
- # $self instvar net_ test_ guide_
- # set net_ net0
- # set test_ phaseSack
- # set guide_ "simple"
- # $self next pktTraceFile
- #}
- #Test/phaseSack instproc run {} {
- # $self instvar ns_ node_ testName_ guide_
- # $self setTopo
- # puts $guide_
- #
- # $ns_ delay $node_(s2) $node_(r1) 3ms
- # $ns_ delay $node_(r1) $node_(s2) 3ms
- # $ns_ queue-limit $node_(r1) $node_(k1) 16
- # $ns_ queue-limit $node_(k1) $node_(r1) 100
- #
- # set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- # $tcp1 set window_ 32
- #
- # set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- # $tcp2 set window_ 32
- #
- # set ftp1 [$tcp1 attach-app FTP]
- # set ftp2 [$tcp2 attach-app FTP]
- #
- # $ns_ at 5.0 "$ftp1 start"
- # $ns_ at 1.0 "$ftp2 start"
- #
- # $self tcpDump $tcp1 5.0
- #
- # # trace only the bottleneck link
- # #$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
- # $ns_ run
- #}
- #
- ## random overhead, but segregation remains
- #Class Test/phaseSack2 -superclass TestSuite
- #Test/phaseSack2 instproc init {} {
- # $self instvar net_ test_ guide_
- # set net_ net0
- # set test_ phaseSack2
- # set guide_ "simple"
- # $self next pktTraceFile
- #}
- #Test/phaseSack2 instproc run {} {
- # $self instvar ns_ node_ testName_ guide_
- # $self setTopo
- # puts $guide_
- #
- # $ns_ delay $node_(s2) $node_(r1) 3ms
- # $ns_ delay $node_(r1) $node_(s2) 3ms
- # $ns_ queue-limit $node_(r1) $node_(k1) 16
- # $ns_ queue-limit $node_(k1) $node_(r1) 100
- #
- # set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- # $tcp1 set window_ 32
- # $tcp1 set overhead_ 0.01
- #
- # set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- # $tcp2 set window_ 32
- # $tcp2 set overhead_ 0.01
- #
- # set ftp1 [$tcp1 attach-app FTP]
- # set ftp2 [$tcp2 attach-app FTP]
- #
- # $ns_ at 5.0 "$ftp1 start"
- # $ns_ at 1.0 "$ftp2 start"
- #
- # $self tcpDump $tcp1 5.0
- #
- # # trace only the bottleneck link
- # #$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
- # $ns_ run
- #}
- #
- ## no segregation, because of random overhead
- #Class Test/phaseSack3 -superclass TestSuite
- #Test/phaseSack3 instproc init {} {
- # $self instvar net_ test_ guide_
- # set net_ net0
- # set test_ phaseSack3
- # set guide_ "simple"
- # $self next pktTraceFile
- #}
- #Test/phaseSack3 instproc run {} {
- # $self instvar ns_ node_ testName_ guide_
- # $self setTopo
- # puts $guide_
- #
- # $ns_ delay $node_(s2) $node_(r1) 9.5ms
- # $ns_ delay $node_(r1) $node_(s2) 9.5ms
- # $ns_ queue-limit $node_(r1) $node_(k1) 16
- # $ns_ queue-limit $node_(k1) $node_(r1) 100
- #
- # set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- # $tcp1 set window_ 32
- # $tcp1 set overhead_ 0.01
- #
- # set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- # $tcp2 set window_ 32
- # $tcp2 set overhead_ 0.01
- #
- # set ftp1 [$tcp1 attach-app FTP]
- # set ftp2 [$tcp2 attach-app FTP]
- #
- # $ns_ at 5.0 "$ftp1 start"
- # $ns_ at 1.0 "$ftp2 start"
- #
- # $self tcpDump $tcp1 5.0
- #
- # # trace only the bottleneck link
- # #$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
- # $ns_ run
- #}
- #Class Test/timersSack -superclass TestSuite
- #Test/timersSack instproc init {} {
- # $self instvar net_ test_ guide_
- # set net_ net0
- # set test_ timersSack
- # set guide_ "simple"
- # $self next pktTraceFile
- #}
- #Test/timersSack instproc run {} {
- # $self instvar ns_ node_ testName_ guide_
- # $self setTopo
- # puts $guide_
- # $ns_ queue-limit $node_(r1) $node_(k1) 2
- # $ns_ queue-limit $node_(k1) $node_(r1) 100
- #
- # set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- # $tcp1 set window_ 4
- # # lookup up the sink and set it's delay interval
- # [$node_(k1) agent [$tcp1 dst-port]] set interval 100ms
- #
- # set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(k1) 1]
- # $tcp2 set window_ 4
- # # lookup up the sink and set it's delay interval
- # [$node_(k1) agent [$tcp2 dst-port]] set interval 100ms
- #
- # set ftp1 [$tcp1 attach-app FTP]
- # set ftp2 [$tcp2 attach-app FTP]
- #
- # $ns_ at 1.0 "$ftp1 start"
- # $ns_ at 1.3225 "$ftp2 start"
- #
- # $self tcpDump $tcp1 5.0
- #
- # # trace only the bottleneck link
- # #$self traceQueues $node_(r1) [$self openTrace 10.0 $testName_]
- # $ns_ run
- # }
- TestSuite runTest