[ns] unable to delete LSP in IDEO labs MPLS implementation

hi all, does anyone who used the IDEO labs implementation of MPLS met the problem of LSP deletion. In fact , a RESVERROR is automatically generated for each LSP a while after trying to release the session. This implementation uses an extension of the marc greis RSVP implementation, and it seems

[ns] Classifier::no-slot{} execution and simulation terminates with exit code 1

Hi all, I'm running wired-cum-wireless simulation . When I decrease the mean interval time between connections so i increase connection number, I got an execution of the default classifier no-slot{} routine which terminates the simulation with exit code 1. --- Classfier::no-slot{} default

[ns] get-node-id-by-addr call for mobile nodes

Hi all, I noticed that the function get-node-id-by-addr can't resolve addresses for mobile nodes. I got the following error message. error get-node-id-by-addr:Cannot find node with given address This was supposed to be fixed after the installation of the WiMax NIST module. But it seems that the

[ns] Packet type undefined -It undefined

Hi all , what may be the cause of this field in the trace file when o new simple protocol -It undefined Normally, I did the relevant changements in ns-packet.tck and packet.cc. thanks, Ramzi

[ns] possible C++ binded variable type

Hi all, I would like to know which are the possible types of variables that we could bind to tcl variables? I'm considering pointer-typed C++ variable. kind regards, Ramzi

[ns] node IP address _node mac address_tcl identifier

hi all, when we write a tcl ns-2 script, how could we recuperate the mac address (index) , IP address (nsaddr_t) from the tcl name of the node (node(0)) defined in the tcl script. This of course supposing that we got the string node(0)' for example in the C++ code, via the command procedure. any

[ns] rayleigh popagation model for ns-2

Hi all, is there any Rayleigh propagation model implementation for ns-2 ? if yes, could you please send it to me or indicate where to get it. Thanks in advance. best regards, Ramzi

[ns] how to get a pointer on the C++ node instance bieing in a mac layer C++ code

Hi all, could someone tell me how to get a pointer on the C++ node instance , being in a mac layer (C++ procedure). thanks ramzi

[ns] CBQ parameters

Hi all, considering the following lines : $ns_ cfg-cbq-for-SBTS 10 DropTail 99.00 0.01 auto 0.00 $ns_ cfg-cbq-for-HBTS 10 DropTail 0.00 0.00 auto 0.00 $ns_ cfg-cbq-for-STS 10 DropTail 0.00 0.00 auto 0.00 $ns_ cfg-cbq-for-RTS 2040 DropTail 0.00 0.99

[ns] unknown drop reason in new trace format file

Hi all, could someone explain to me the significance of the NCO (after -Nw) drop reason mentioned in this new trace format compliant line. d -t 0.414050318 -Hs 12 -Hd -1 -Ni 12 -Nx 100.00 -Ny 100.00 -Nz 0.00 -Ne -1.00 -Nl MAC -Nw NCO -Ma 0 -Md -Ms 5 -Mt 800 -Is 4196353.0 -Id -1.0

[ns] MIP traffic

Hi all, How could we recognise the MIP packet in the trace file? Or, at least, how could we be sure that the MIP messages are being well exchanged? thanks kind regards, ramzi

[ns] trace interpretation

Hi all, could somebody explain to me the following trace line : D 0.160155230 _13_ MAC NCO 1 udp 128 [0 4 800] --- [16779265:0 -1:0 32 0] especially the NCO in the 5th field. Thanks in advance Ramzi

[ns] packets drops causes

Hi all, How could now the cause of packets drops in ns-2. Any tips ! Which are the components where we could have a packet drop. and what are the possible causes? regards, ramzi

[ns] ns-2 hierarchical routing

Hi all, Could someone tell me how routes are computed inside a same hierarchical cluster as defined in NS-2 ? What is the algorithm used for that ? is it Dijkstra? or should the routes be set statically? Could the hierarchical routing react to topological changes? Your help is highly appreciated

[ns] combined wireless and wired nodes in the same simulated topolgy

Hi all, Is it possible to simulate a wired-cum-wireless network composed by several wireless nodes that run a given routing protocol and several wired nodes partially meshed ( not all them are connected to the BS) . Could these wired nodes use any routing protocol, or there is some contraints or

[ns] error interpretation

Hi, let consider the followinf error : (procedure _o19 line 2) (SplitObject unknown line 2) What is the significance of procedure _o19 . What is the tcl file that corresponds to _o19 so we can find line 2? Best regards Ramzi

[ns] 80.11 Mac Neighbors list

consider a scenario of stationnary nodes, could I get the neighbor list at the beginning of the simulation? and Once a neighbor has been added to a node neighbor list , is this neighbor suppressed from the list after a ttl_ inactivity time ? best regards Ramzi TKA

[ns] wimax and Wifi TxPower default value

Hi all, Could someone tell me what is the default Tx Power for 802.11 ns implementation and what could be a 802.16 default Tx Power. How do we set Tx Power values from C++ code and TCL script ? Best regards, Ramzi TKA

[ns] ns debug

Hi all does 1)'-g' added to CCFLAG variable in the Makefile and 2)'--enabled-debug' ./configure parameter equivalent ? I mean do I just use one of them to enable DGB or other debuggers? Best regards Ramzi Tka

[ns] routing in ns-2

Hi all, what is the function and the class in which a node verify whether (1) the destination ip addr node is directly connected to the transmitter node and then do an arp request if necessary or (2) do a routing table request to set the approriate mac adress. thanks

[ns] ns-2 mac addresses

regards Ramzi Tka

[ns] !!!! How to call ifq functions from 802.11 mac layer

Hi all, I want to have a pointer ( in the c++ mac 802.11 class ) on the ifq layer so I could call some functions I added. I found only a handler that is used whenever a packet is sent to the channel. How could I have a reference on the ifq layer? Thanks Best regards Ramzi Tka

[ns] how could I trigger a function call at a node 802.11 mac layer whenever its neighbouthood changes

Hi, how could I trigger a function call at a node 802.11 mac layer whenever its neighbouthood changes? Thanks alot regards Ramzi Tka

[ns] GMPLS implementation

Hi all, is there any GMPLS implementation under ns-2 Thanks Ramzi TKA

[ns] RSVP-TE implementation

Hi all is there any tested RSVP-TE implementation under ns-2 ? Thanks Ramzi Tka

[ns] Strict Priority Queuing Implementation in NS-2

fro m beginning from the highest priority queue to the least one. Best regards Ramzi TKA

[ns] 802.11 and 802.16 mac packet allocation functions

allocation using allocdata() function or using the alloc(n) instead of alloc() function for packet allocation , n is the data size. 3. Is that done anywhere else? has it any impact when simulating big networks (on scalability for example)? Thank you in advance Best regards Ramzi Tka

[ns] how to send 802.16 undetermined size Control messages in ns2

-cf_fc.fc_wep= 0; cf-cf_fc.fc_order= 0; in 802.111, the developper has just to fill a given structure fields. How about 80.16 ? Could someone help me please! Thanks in advance Ramzi Tka

[ns] how to send 802.16 undetermined size Control messages in ns2

-cf_fc.fc_wep= 0; cf-cf_fc.fc_order= 0; in 802.11, the developper has just to fill a given structure fields. How about 80.16 ? Could someone help me please! Thanks in advance Ramzi Tka

[ns] how to send 802.16 undetermined size Control messages in ns2

-cf_fc.fc_wep= 0; cf-cf_fc.fc_order= 0; in 802.111, the developper has just to fill a given structure fields. How about 80.16 ? Could someone help me please! Thanks in advance Ramzi Tka

[ns] olsr implementation

hi evrybody, is there any available OLSR implentation under ns-2.? if yes, how could i get it ? thanks a lot ramzi tka

[ns] 802.16 extensions to NS-2

relevant tasks become easier. What is your opinion about this scenario? Could you help to make the best choice. If you have other suggestions they are welcome. Thanks a lot Ramzi TKA