test-suite-ecn.tcl

对IEEE 802.11e里的分布式信道接入算法EDCA进行改进

}
Test/ecn_timeout_reno instproc run {} {
	$self instvar ns_
	$self ecnsetup Reno 3.0 1
	$self drop_pkts {242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268} 

	$ns_ run
}

# ECN followed by a timeout, followed by an ECN representing a
# new instance of congestion.
Class Test/ecn_timeout1_reno -superclass TestSuite
Test/ecn_timeout1_reno instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_timeout1_reno
        $self next
}
Test/ecn_timeout1_reno instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Reno 3.0 1
	$self drop_pkts {245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265} 
	$self second_tcp Tahoe 1.0
	$ns_ run
}

# Packet drops with a window of one packet.
Class Test/ecn_smallwin_reno -superclass TestSuite
Test/ecn_smallwin_reno instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_smallwin_reno
        $self next
}
Test/ecn_smallwin_reno instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 6.0 1
	$self drop_pkts {4 8 9 10 11 100 115 118 119 121 122}

	$ns_ run
}

# ECN with a window of one packet.
Class Test/ecn_smallwinEcn_reno -superclass TestSuite
Test/ecn_smallwinEcn_reno instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwinEcn_reno
        $self next
}
Test/ecn_smallwinEcn_reno instproc run {} {
	$self instvar ns_ errmodel1
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 10.0 1
	$self drop_pkts {4 8 9 11 12 13 120 135 143 148 150 151 152 153} 
	$errmodel1 set markecn_ true
	$ns_ run
}

Class Test/ecn_smallwin1Ecn_reno -superclass TestSuite
Test/ecn_smallwin1Ecn_reno instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net3-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwin1Ecn_reno
        $self next
}
Test/ecn_smallwin1Ecn_reno instproc run {} {
	$self instvar ns_ errmodel1 errmodel2
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 10.0 1
	$self drop_pkts {4 8 9 11 12 13 120 135 143 148 150 153} 
	$errmodel1 set markecn_ true
	$self drop_pkts2 {6}
	$errmodel2 set markecn_ false
	$ns_ run
}

# Packet drops for the second packet.
Class Test/ecn_secondpkt_reno -superclass TestSuite
Test/ecn_secondpkt_reno instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_secondpkt_reno
        $self next
}
Test/ecn_secondpkt_reno instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 2.0 1
	$self drop_pkts {1 3} 

	$ns_ run
}

# ECN for the second packet.
Class Test/ecn_secondpktEcn_reno -superclass TestSuite
Test/ecn_secondpktEcn_reno instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_secondpktEcn_reno
        $self next
}
Test/ecn_secondpktEcn_reno instproc run {} {
	$self instvar ns_ errmodel1
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 2.0 1
	$self drop_pkts {1 3} 
	$errmodel1 set markecn_ true
	$ns_ run
}

#######################################################################
# Delayed Ack Reno Tests #
#######################################################################

# Plain ECN
Class Test/ecn_nodrop_reno_delack -superclass TestSuite
Test/ecn_nodrop_reno_delack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_nodrop_reno_delack
        $self next
}
Test/ecn_nodrop_reno_delack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Reno 3.0 0 1 
	$self drop_pkt 10000
	$ns_ run
}

# Two ECNs close together
Class Test/ecn_twoecn_reno_delack -superclass TestSuite
Test/ecn_twoecn_reno_delack instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_twoecn_reno_delack
        $self next
}
Test/ecn_twoecn_reno_delack instproc run {} {
	$self instvar ns_ lossmodel
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Reno 3.0 0 1 
	$self drop_pkt 243
	$lossmodel set markecn_ true
	$ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop_reno_delack -superclass TestSuite
Test/ecn_drop_reno_delack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop_reno_delack
        $self next
}
Test/ecn_drop_reno_delack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Reno 3.0 0 1
	$self drop_pkt 243
	$ns_ run
}

# ECN preceded by packet loss.
# NO.
Class Test/ecn_drop1_reno_delack -superclass TestSuite
Test/ecn_drop1_reno_delack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop1_reno_delack
        $self next
}
Test/ecn_drop1_reno_delack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Reno 3.0 0 1
	$self drop_pkt 241
	$ns_ run
}

# ECN with a window of one packet.
Class Test/ecn_smallwinEcn_reno_delack -superclass TestSuite
Test/ecn_smallwinEcn_reno_delack instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwinEcn_reno_delack
        $self next
}
Test/ecn_smallwinEcn_reno_delack instproc run {} {
	$self instvar ns_ errmodel1
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Reno 10.0 1 1
	$self drop_pkts {4 8 9 11 120 135 143 148 150 151 152 153} 
	$errmodel1 set markecn_ true
	$ns_ run
}

#######################################################################
# Sack1 Tests #
#######################################################################

# Plain ECN
Class Test/ecn_nodrop_sack -superclass TestSuite
Test/ecn_nodrop_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_nodrop_sack
        $self next
}
Test/ecn_nodrop_sack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 
	$self drop_pkt 10000
	$ns_ run
}

# Two ECNs close together
Class Test/ecn_twoecn_sack -superclass TestSuite
Test/ecn_twoecn_sack instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_twoecn_sack
        $self next
}
Test/ecn_twoecn_sack instproc run {} {
	$self instvar ns_ lossmodel
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 
	$self drop_pkt 243
	$lossmodel set markecn_ true
	$ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop_sack -superclass TestSuite
Test/ecn_drop_sack instproc init {} {
        $self instvar net_ test_
#        Queue/RED set setbit_ true
        set net_        net2-lossy
        Agent/TCP set bugFix_ true  
        set test_       ecn_drop_sack
        $self next
} 
Test/ecn_drop_sack instproc run {} {
        $self instvar ns_
	Agent/TCP set old_ecn_ 1
        $self ecnsetup Sack1 3.0
        $self drop_pkt 243
        $ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop1_sack -superclass TestSuite
Test/ecn_drop1_sack instproc init {} {
        $self instvar net_ test_
#        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop1_sack
        $self next
}
Test/ecn_drop1_sack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0
	$self drop_pkt 241
	$ns_ run
}

# Packet loss only.
Class Test/ecn_noecn_sack -superclass TestSuite
Test/ecn_noecn_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Queue/RED set thresh_ 1000
	Queue/RED set maxthresh_ 1000
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_noecn_sack
	Test/ecn_noecn_sack instproc run {} [Test/ecn_drop_sack info instbody run ]
        $self next
}

# Multiple dup acks with bugFix_
Class Test/ecn_bursty_sack -superclass TestSuite
Test/ecn_bursty_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Queue/RED set thresh_ 100
	Queue/RED set maxthresh_ 100
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_bursty_sack
        $self next
}
Test/ecn_bursty_sack instproc run {} {
	$self instvar ns_

	$self ecnsetup Sack1 3.0
        set lossmodel [$self setloss]
        $lossmodel set offset_ 245
	$lossmodel set burstlen_ 15
        $lossmodel set period_ 10000
	$ns_ run
}

# Multiple dup acks following ECN
Class Test/ecn_burstyEcn_sack -superclass TestSuite
Test/ecn_burstyEcn_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
	Agent/TCP set old_ecn_ 1
        set test_	ecn_burstyEcn_sack
	Test/ecn_burstyEcn_sack instproc run {} [Test/ecn_bursty_sack info instbody run ]   
        $self next
}

# Multiple dup acks following ECN
Class Test/ecn_burstyEcn1_sack -superclass TestSuite
Test/ecn_burstyEcn1_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_burstyEcn1_sack
        $self next
}
Test/ecn_burstyEcn1_sack instproc run {} {
	$self instvar ns_

	$self ecnsetup Sack1 3.0
        set lossmodel [$self setloss]
        $lossmodel set offset_ 245
	$lossmodel set burstlen_ 17
        $lossmodel set period_ 10000
	$ns_ run
}

# Multiple dup acks without bugFix_
Class Test/ecn_noBugfix_sack -superclass TestSuite
Test/ecn_noBugfix_sack instproc init {} {
        $self instvar net_ test_
	Queue/RED set thresh_ 100 
	Queue/RED set maxthresh_ 100
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ false
        set test_	ecn_noBugfix_sack
	Test/ecn_noBugfix_sack instproc run {} [Test/ecn_bursty_sack info instbody run ]

        $self next
}

# ECN followed by timeout.
Class Test/ecn_timeout_sack -superclass TestSuite
Test/ecn_timeout_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_timeout_sack
        $self next
}
Test/ecn_timeout_sack instproc run {} {
	$self instvar ns_
	$self ecnsetup Sack1 3.0 1
	$self drop_pkts {242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268} 

	$ns_ run
}

# ECN followed by a timeout, followed by an ECN representing a
# new instance of congestion.
Class Test/ecn_timeout1_sack -superclass TestSuite
Test/ecn_timeout1_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_timeout1_sack
        $self next
}
Test/ecn_timeout1_sack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 1
	$self drop_pkts {245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265} 
	$self second_tcp Tahoe 1.0
	$ns_ run
}

# ECN and packet drops.
Class Test/ecn_fourdrops_sack -superclass TestSuite
Test/ecn_fourdrops_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_fourdrops_sack
        $self next
}
Test/ecn_fourdrops_sack instproc run {} {
	$self instvar ns_
	$self ecnsetup Sack1 3.0 1
	$self drop_pkts {242 244 267 268} 

	$ns_ run
}

# Packet drops with a window of one packet.
Class Test/ecn_smallwin_sack -superclass TestSuite
Test/ecn_smallwin_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_smallwin_sack
        $self next
}
Test/ecn_smallwin_sack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 6.0 1
	$self drop_pkts {4 8 9 10 11 100 115 121 124 126 127 128}

	$ns_ run
}

# ECN with a window of one packet.
Class Test/ecn_smallwinEcn_sack -superclass TestSuite
Test/ecn_smallwinEcn_sack instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwinEcn_sack
        $self next
}
Test/ecn_smallwinEcn_sack instproc run {} {
	$self instvar ns_ errmodel1
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 10.0 1
	$self drop_pkts {4 7 9 10 11 12 13 14 120 135 143 148 150 151 152} 
	$errmodel1 set markecn_ true
	$ns_ run
}

Class Test/ecn_smallwin1Ecn_sack -superclass TestSuite
Test/ecn_smallwin1Ecn_sack instproc init {} {
        $self instvar net_ test_ 
        Queue/RED set setbit_ true
        set net_	net3-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwin1Ecn_sack
        $self next
}
Test/ecn_smallwin1Ecn_sack instproc run {} {
	$self instvar ns_ errmodel1 errmodel2
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 10.0 1
	$self drop_pkts {4 8 9 11 12 13 120 135 143 148 150 153} 
	$errmodel1 set markecn_ true
	$self drop_pkts2 {6}
	$errmodel2 set markecn_ false
	$ns_ run
}

# Packet drops for the second packet.
Class Test/ecn_secondpkt_sack -superclass TestSuite
Test/ecn_secondpkt_sack instproc init {} {
        $self instvar net_ test_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_secondpkt_sack
        $self next
}
Test/ecn_secondpkt_sack instproc run {} {
	$self instvar ns_
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 2.0 1
	$self drop_pkts {1 3} 

	$ns_ run
}

# ECN for the second packet.