R0---FTP Server(TCP) | | | | R1-------------R2 / \ \ / \ \ / \ \ / \ \ / \ \ / \ \ R3 R4 R5 HA FA1 FA2 N6 MN # simulation of a wired-cum-wireless topology running with mobileIP # ====================================================================== # Define options # ====================================================================== set opt(chan) Channel/WirelessChannel ;# channel type set opt(prop) Propagation/TwoRayGround ;# radio-propagation model set opt(netif) Phy/WirelessPhy ;# network interface type set opt(mac) Mac/802_11 ;# MAC type set opt(ifq) Queue/DropTail/PriQueue ;# interface queue type set opt(ll) LL ;# link layer type set opt(ant) Antenna/OmniAntenna ;# antenna model set opt(ifqlen) 150 ;# max packet in ifq set opt(nn) 1 ;# number of mobilenodes set opt(adhocRouting) DSDV ;# routing protocol set opt(cp) "" ;# cp file not used set opt(sc) "" ;# node movement file. set opt(x) 670 ;# x coordinate of topology in meters set opt(y) 670 ;# y coordinate of topology in meters set opt(seed) 0.0 ;# random seed set opt(stop) 60 ;# time to stop simulation set opt(ftp1-start) 1.0 set num_wired_nodes 3 # set num_bs_nodes 2 ; this is not really used here. # ====================================================================== # check for boundary parameters and random seed if { $opt(x) == 0 || $opt(y) == 0 } { puts "No X-Y boundary values given for wireless topology\n" } if {$opt(seed) > 0} { puts "Seeding Random number generator with $opt(seed)\n" ns-random $opt(seed) } # create simulator instance set ns_ [new Simulator] # set up for hierarchical routing $ns_ node-config -addressType hierarchical AddrParams set domain_num_ 4 ;# number of domains lappend cluster_num 3 1 1 1 ;# number of clusters in each domain AddrParams set cluster_num_ $cluster_num lappend eilastlevel 1 1 1 2 1 1 ;# number of nodes in each cluster AddrParams set nodes_num_ $eilastlevel ;# of each domain set tracefd [open mywire6.tr w] #set namtrace [open mywire6.nam w] #$ns_ use-newtrace ; #added shezy $ns_ trace-all $tracefd #$ns_ namtrace-all-wireless $namtrace $opt(x) $opt(y) # Create topography object set topo [new Topography] # define topology $topo load_flatgrid $opt(x) $opt(y) # create God create-god $opt(nn) #create wired nodes # set temp {0.0.0 0.1.0} ;# hierarchical addresses #for {set i 0} {$i < $num_wired_nodes} {incr i} { # set W($i) [$ns_ node [lindex $temp $i]] #} $ns_ color 0 red $ns_ color 1 blue set W(0) [$ns_ node 0.0.0] set W(1) [$ns_ node 0.1.0] set W(2) [$ns_ node 0.2.0] # Configure for ForeignAgent and HomeAgent nodes $ns_ node-config -mobileIP ON \ -adhocRouting $opt(adhocRouting) \ -llType $opt(ll) \ -macType $opt(mac) \ -ifqType $opt(ifq) \ -ifqLen $opt(ifqlen) \ -antType $opt(ant) \ -propType $opt(prop) \ -phyType $opt(netif) \ -channelType $opt(chan) \ -topoInstance $topo \ -wiredRouting ON \ -agentTrace ON \ -routerTrace OFF \ -macTrace OFF # Create HA and FA set HA [$ns_ node 1.0.0] set FA1 [$ns_ node 2.0.0] set FA2 [$ns_ node 3.0.0] $HA random-motion 0 $FA1 random-motion 0 $FA2 random-motion 0 # Position (fixed) for base-station nodes (HA & FA). $HA set X_ 1.00 $HA set Y_ 10.00 $HA set Z_ 0.00 $FA1 set X_ 350.00 $FA1 set Y_ 10.00 $FA1 set Z_ 0.00 $FA2 set X_ 600.00 $FA2 set Y_ 10.00 $FA2 set Z_ 0.00 # create a mobilenode that would be moving between HA and FA. # note address of MH indicates its in the same domain as HA. $ns_ node-config -wiredRouting OFF set MH [$ns_ node 1.0.1] set node_(0) $MH set HAaddress [AddrParams addr2id [$HA node-addr]] [$MH set regagent_] set home_agent_ $HAaddress # movement of the MH $MH set X_ 1.00 $MH set Y_ 5.00 $MH set Z_ 0.00 # MH starts to move towards FA 11m/sec = 40KM/Hrs $ns_ at 15.00 "$MH setdest 600.00 5.00 11.00" # goes back to HA #$ns_ at 200.00 "$MH setdest 2.00 5.00 11.00" # create links between wired and BaseStation nodes $ns_ duplex-link $W(0) $W(1) 10Mb 2ms DropTail $ns_ duplex-link $W(1) $HA 10Mb 2ms DropTail $ns_ duplex-link $W(1) $FA1 10Mb 2ms DropTail $ns_ duplex-link $W(1) $W(2) 10Mb 2ms DropTail ; #syed $ns_ duplex-link $W(2) $FA2 10Mb 2ms DropTail ; #syed $ns_ duplex-link-op $W(0) $W(1) orient down $ns_ duplex-link-op $W(1) $HA orient left-down $ns_ duplex-link-op $W(1) $FA1 orient right-down $ns_ duplex-link-op $W(1) $W(2) orient right ; #syed $ns_ duplex-link-op $W(2) $FA2 orient right-down ; #syed # setup TCP connections between a wired node and the MobileHost set tcp1 [new Agent/TCP] $tcp1 set class_ 2 set sink1 [new Agent/TCPSink] $ns_ attach-agent $W(0) $tcp1 $ns_ attach-agent $MH $sink1 $ns_ connect $tcp1 $sink1 set ftp1 [new Application/FTP] $ftp1 attach-agent $tcp1 $ns_ at $opt(ftp1-start) "$ftp1 start" # source connection-pattern and node-movement scripts if { $opt(cp) == "" } { puts "*** NOTE: no connection pattern specified." set opt(cp) "none" } else { puts "Loading connection pattern..." source $opt(cp) } if { $opt(sc) == "" } { puts "*** NOTE: no scenario file specified." set opt(sc) "none" } else { puts "Loading scenario file..." source $opt(sc) puts "Load complete..." } # Define initial node position in nam for {set i 0} {$i < $opt(nn)} {incr i} { # 20 defines the node size in nam, must adjust it according to your # scenario # The function must be called after mobility model is defined $ns_ initial_node_pos $node_($i) 20 } # Tell all nodes when the smiulation ends for {set i 0} {$i < $opt(nn) } {incr i} { $ns_ at $opt(stop).0 "$node_($i) reset"; } $ns_ at $opt(stop).0 "$HA reset"; $ns_ at $opt(stop).0 "$FA1 reset"; $ns_ at $opt(stop).0002 "puts \"NS EXITING...\" ; $ns_ halt" $ns_ at $opt(stop).0001 "stop" proc stop {} { # global ns_ tracefd namtrace global ns_ tracefd close $tracefd # close $namtrace } # some useful headers for tracefile #puts $tracefd "M 0.0 nn $opt(nn) x $opt(x) y $opt(y) rp \ # $opt(adhocRouting)" #puts $tracefd "M 0.0 sc $opt(sc) cp $opt(cp) seed $opt(seed)" #puts $tracefd "M 0.0 prop $opt(prop) ant $opt(ant)" puts "Starting Simulation..." $ns_ run