test-suite-tcpHighspeed.tcl
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上传日期:2015-12-11
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文件大小:11k
源码类别:
通讯编程
开发平台:
Visual C++
- # 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-tcpHighspeed.tcl,v 1.21 2006/10/22 15:20:46 sallyfloyd Exp $
- #
- source misc_simple.tcl
- remove-all-packet-headers ; # removes all except common
- add-packet-header Flags IP TCP ; # hdrs reqd for validation test
- # FOR UPDATING GLOBAL DEFAULTS:
- Agent/TCP set precisionReduce_ false ; # default changed on 2006/1/24.
- Agent/TCP set rtxcur_init_ 6.0 ; # Default changed on 2006/01/21
- Agent/TCP set updated_rttvar_ false ; # Variable added on 2006/1/21
- Agent/TCP set minrto_ 1
- Agent/TCP set numdupacksFrac_ 100 ; # Default changed on 2006/09/27.
- # 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.
- # Uncomment the line below to use a random seed for the
- # random number generator.
- # ns-random 0
- TestSuite instproc finish file {
- global quiet PERL
- $self instvar cwnd_chan_ testName_
- if { [info exists cwnd_chan_] } {
- $self plot_cwnd 1 $testName_ all.cwnd1
- exec cp temp.cwnd temp.rands
- }
- }
- Class Topology
- Topology instproc node? num {
- $self instvar node_
- return $node_($num)
- }
- Class Topology/net2a -superclass Topology
- Topology/net2a 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 2ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 100Mb 3ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 30Mb 30ms RED
- # The delay-bandwidth product of this link is 225 1000-byte packets.
- $ns queue-limit $node_(r1) $node_(r2) 50
- $ns queue-limit $node_(r2) $node_(r1) 50
- $ns duplex-link $node_(s3) $node_(r2) 100Mb 4ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 100Mb 5ms DropTail
- }
- Class Topology/net2b -superclass Topology
- Topology/net2b 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
- #Queue/RED set bottom_ 0.001
- Queue/RED set bottom_ 0
- Queue/RED set thresh_ 0
- Queue/RED set maxthresh_ 0
- Queue/RED set q_weight_ 0
- Queue/RED set adaptive_ 1
- $ns duplex-link $node_(s1) $node_(r1) 100Mb 2ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 100Mb 3ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 30Mb 30ms RED
- # The delay-bandwidth product of this link is 225 1000-byte packets.
- $ns queue-limit $node_(r1) $node_(r2) 200
- $ns queue-limit $node_(r2) $node_(r1) 200
- $ns duplex-link $node_(s3) $node_(r2) 100Mb 4ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 100Mb 5ms DropTail
- }
- ############################################################
- # To use windows larger than 1024 pkts, it is necessary to set
- # MWS in tcp-sink.h.
- Class Test/tcp -superclass TestSuite
- Test/tcp instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2a
- set test_ tcp
- set guide_ "Sack TCP, bad queue."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- $self next noTraceFiles
- }
- Test/tcp instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ dumpfile_ sender_ receiver_ guide_
- puts "Guide: $guide_"
- $self setTopo
- Agent/TCP set window_ 512
- set stopTime 150.0
- set stopTime0 [expr $stopTime - 0.001]
- set stopTime2 [expr $stopTime + 0.001]
- set tcp1
- [$ns_ create-connection $sender_ $node_(s1) $receiver_ $node_(s3) 0]
- set ftp1 [$tcp1 attach-app FTP]
- $self enable_tracecwnd $ns_ $tcp1
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at $stopTime0 "$ftp1 stop"
- set tcp2
- [$ns_ create-connection $sender_ $node_(s2) $receiver_ $node_(s4) 1]
- set ftp2 [$tcp2 attach-app FTP]
- $self enable_tracecwnd $ns_ $tcp2 all.cwnd1
- $ns_ at 30.0 "$ftp2 start"
- $ns_ at 80.0 "$ftp2 stop"
- $ns_ at $stopTime "$self cleanupAll $testName_"
- $ns_ at $stopTime2 "exit 0"
- $ns_ run
- }
- Class Test/tcpHighspeed -superclass TestSuite
- Test/tcpHighspeed instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2a
- set test_ tcpHighspeed
- set guide_ "TCP with experimental modification for highspeed TCP, bad queue."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Test/tcpHighspeed instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- Class Test/tcp1 -superclass TestSuite
- Test/tcp1 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcp
- set guide_ "Sack TCP, good queue."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Test/tcp1 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- Class Test/tcp1A -superclass TestSuite
- Test/tcp1A instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcp
- set guide_ "Sack TCP, good queue, max_ssthresh=100."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set max_ssthresh_ 100
- Test/tcp1A instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed1 uses max_ssthresh_.
- Class Test/tcpHighspeed1 -superclass TestSuite
- Test/tcpHighspeed1 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed1
- set guide_ "Highspeed TCP, good queue, max_ssthresh=100."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Agent/TCP set max_ssthresh_ 100
- Test/tcpHighspeed1 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed1A uses cwnd_range_
- Class Test/tcpHighspeed1A -superclass TestSuite
- Test/tcpHighspeed1A instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed1A
- set guide_ "Highspeed TCP, good queue, max_ssthresh=100, efficient version."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Agent/TCP set max_ssthresh_ 100
- Agent/TCP set cwnd_range_ 50
- Test/tcpHighspeed1A instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed2 uses a different value for low_window_.
- Class Test/tcpHighspeed2 -superclass TestSuite
- Test/tcpHighspeed2 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed2
- set guide_ "Highspeed TCP, low_window_ set to 25."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Agent/TCP set low_window_ 25
- Test/tcpHighspeed2 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed3 uses different values for high_p_ and high_decrease_,
- ## to give essentially the same response function as TCP.
- Class Test/tcpHighspeed3 -superclass TestSuite
- Test/tcpHighspeed3 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed3
- set guide_ "Highspeed TCP, parameters set similar to TCP."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- #Agent/TCP set high_p_ 0.0000000096 # the TCP formula would say this.
- Agent/TCP set high_p_ 0.00000001
- Agent/TCP set high_decrease_ 0.5
- Test/tcpHighspeed3 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed4 uses different values for the response function.
- Class Test/tcpHighspeed4 -superclass TestSuite
- Test/tcpHighspeed4 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed4
- set guide_ "Highspeed TCP, parameters set conservatively."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Agent/TCP set low_window_ 50
- Agent/TCP set high_p_ 0.0000001
- Agent/TCP set high_decrease_ 0.25
- Test/tcpHighspeed4 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- ## tcpHighspeed5 uses different values for the response function.
- Class Test/tcpHighspeed5 -superclass TestSuite
- Test/tcpHighspeed5 instproc init {} {
- $self instvar net_ test_ sender_ receiver_ guide_
- set net_ net2b
- set test_ tcpHighspeed5
- set guide_ "Highspeed TCP, parameters set aggressively."
- set sender_ TCP/Sack1
- set receiver_ TCPSink/Sack1
- Agent/TCP set windowOption_ 8
- Agent/TCP set low_window_ 13
- Agent/TCP set high_window_ 12500
- Agent/TCP set high_p_ 0.000001
- Agent/TCP set high_decrease_ 0.1
- Test/tcpHighspeed5 instproc run {} [Test/tcp info instbody run ]
- $self next noTraceFiles
- }
- TestSuite runTest