[ns] ATM & VOIP

Could someone pls help me, I wanna create a simulated model of a VOIP network,I wanna carry out a performance evaluation of ATM vs SIP and H.323in VOIP networks using NS 2.To this effect I wanna design a VOIP network using ATM backbone so I wanna know if I can use NS to design the ATM protocol for

[ns] Conerning VOIP & ATM

Hi thereI'm Brenda from the Australia ...I'm currently working on a project involving VOIP networks...I wanna design a model of a VOIP network using ATM as its backbone to use for simulation.I'm doing performance evaluations in VOIP networks on parameters that affect QoS( Quality of Service) i

[ns] H.323 & SIP implementation for NS 2

Pls I'm interested in the H.323 and SIP implementation for NS 2I need the documentations,codes and patch.pls if someone can help me,I'll really appreciate it.thanks

[ns] ATM service classes

I wanna model an ATM network for VOIP based on the evaluation of parameters which affect QoS against SIP & H.323 bandwidth consumption packet loss packet delay(latency) jitter traffic thoroughput... Can someone pls tell me what ATM service class will be relevant to model?

[ns] NS patch documentation

Can anyone pls link me up to a documentation for developing new protocols for NS?Thanks

[ns] Need help on literature review

Hi there.I wanna work on a project relating to VOIP networks.I wanna evaluate IP over ATM against IP over Ethernet.I'm working on parameters that affect QoS (Quality of Service) in VOIP networks.I'm gonna evaluating the following parameters; bandwidth consumption packet loss packet delay(latency

[ns] Concerning IP over ATM & IP over Ethernet.

Hi my fellow nsers.I want to know if anyone has done any work on IP over ATM or IP over Ethernet.I'm currently carrying out a Literature review.I'm looking for work done on to area.I want to know the advantages and disadvantages of both networking technology.I want to start work on a project r

[ns] Having problem installing ns 2.1b7...gives this error message

I want to use ns 2.1b7 cos the version I got has an ATM patch already which I need for my thesis.I try to configure it and I get the error message below. ___ [EMAIL PROTECTED] Desktop]# cd ns-2-

[ns] Having problem installing ns 2.1b7...gives this error message

I want to use ns 2.1b7 cos the version I got has an ATM patch already which I need for my thesis.I try to configure it and I get the error message below. __ _ [EMAIL PROTECTED] Desktop]# cd ns-2

[ns] Problem installing NS

I want to use ns 2.1b7 cos the version I got has an ATM patch already which I need for my thesis.I try to configure it and I get the error message below. __ __ ___ [EMAIL PROTECTED] Desktop]# cd ns-

[ns] Problem installing NS

I want to use ns 2.1b7 cos the version I got has an ATM patch already which I need for my thesis.I try to configure it and I get the error message below. __ __ ___ [EMAIL PROTECTED] Desktop]# cd ns-

[ns] VoIP model for NS-2

Hi everyone.Pls I'm researching on an efficient VoIP model for NS2. I want to carry out some simulations relating to VoIP Quality of Service (QoS). I was thinking of the Poisson distributed model but I could really use any input from anyone concerning this issue. I hope someone replies soon.Thanks

[ns] Need help with VoIP backbone topology model

Hi there fellow nsers. I'm working on a project which requires me to evaluate level of QoS at the backbone end of VoIP networks, based on two different data link layer technologies...ATM & Gigabit Ethernet. Pls I need help in coming up with a topology model diagram. I want to interconnect 4 LAN mo

[ns] NS 2 core ntwork compatibility

Hi everyone. I'm working on a project which involves the backbone/core network of VoIP networks. The core network consists of a combination of routers and switches which handles and controls traffic in the network.Plsis it possible to emulate this core network using NS 2.I'll like to know how.It's

[ns] NS 2 core network compatibility

Hi everyone. I'm working on a project which involves the backbone/core network of VoIP networks. The core network consists of a combination of routers and switches which handles and controls traffic in the network.Plsis it possible to emulate this core network using NS 2.I'll like to know how.It's

[ns] Need help installing tcl8.3.2

I'm trying to install an NS-2 version optimized for ATM on a friend's machine...It uses an AMD Turion 64 processorwhen I try to install it, I get this... victor:/home/mavor/Network Simulator/ns-2-snapshot-20010224 # ./configure loading cache ./config.cache No .configure file found in current

[ns] Need help installing NS-2.31 on 64-bit machine...

Hi everyone...I'm having a problem...When I try to install NS2.31 on s friend's machine, I get this error message Victor:/home/mavor/Network Simulator/ns-allinone-2.31 # ls cweb INSTALL.WIN32 otcl-1.13 sgb tclcl-1.19 zlib-1.2.3 gt-itm nam-1.13 perl-5.8.8 stable.tar tk8.

[ns] Need help simulating model

Hi I'm trying to simulate a core network and carry out measurements based on VoIP QoS parameters... I wanna connect 3-4 WAN models to a core network which consists of routers... Can someone pls give me an idea of how to go about this using NS-2... what would my tcl scripts look like? how many node

[ns] Noob wants to view trace files

can someone tell me how to view trace files after a simulation has run? Thanks

[ns] Need help executing tcl scripts

Hi there..Please I need your helpI installed ns perfectly and following all PATH instructions well and validated perfectlyhowever when I try to run a tcl script, I get the following error... [EMAIL PROTECTED]:~/Network-Simulator/ns-allinone-2.32-rc2/ns-2.32/tcl/ex> ns % ns example.tcl war

[ns] Error Message: warning: using backward compatibility mode error when calling class OldSim: example1b.tcl

Hi there, I'm trying to run a tcl script called example1b.tcl, and everytime I tr to un it I get the following error below. [EMAIL PROTECTED]:~/Network-Simulator/ns-allinone-2.32-rc2/ns-2.32/tcl/ex> ns % ns example1b.tcl warning: using backward compatibility mode error when calling class OldSim:

[ns] Need help coming up with script for scenario

Hi everyone... Pls I'm working on a project which involves carrying out experiments on a VoIP core network...based on QoS performance metrics...jitter, latency, bandwidth consumption, e.t.c I wanna connect 3-4 WAN models to the core network... The core network consists of routers which routes pack

[ns] Is NOAH used for only wireless scenarios?

I'm working on an infrastructured wired network environment which requires me to connect 4 WAN models to a VoIP core netowrk (which consists of routers) and carry out performance evaluations using QoS parameters as the performance metrics...By default, ns2 do not support infrastructure network. It

[ns] Can NOAH be used as a routing algorithm for this scenario?

I'm working on an infrastructured wired network environment which requires me to connect 4 WAN models to a VoIP core netowrk (which consists of routers) and carry out performance evaluations using QoS parameters as the performance metrics...By default, ns2 do not support infrastructure network. It

[ns] How can I design a WAN in NS-2?

I was wondering how to depict a WAN in NS-2 and what topology I can use... I'm particular about routing in such a network in the event that a link goes down.. Can someone pls give me an idea so I know what my tcl script will look like... Thanks. Regards, Brenda

[ns] Router configuration in NS-2

Can someone pls tell me how to configure a router in NS-2 I'm connection 4 WANs to a VoIP core network which consists of routers I'm basically dealing with voice packets in a QoS (Quality of Service) enabled network and I'm concerned with the routing mechanisms to be employed at the core netw

[ns] how to patch VoIP.cc to my NS-2

Can someone please help me? I got a VoIP traffic generator written in C++ from a friend...filename= VoIP_traffic.cc I'm looking for a way to apply it to my version of NS-2? Also, after I apply it, how do I call it in a basic Tcl script? I'm working on a project which requires me to carry out a per

[ns] How can I make a define a unicast node and a multicast node

Hello everyone...I'm new to NS-2. Is there a special way to define a unicast node and a multicast node, I'm concerned about routing. Thanks. reards, Brenda

[ns] QoS measurements

Can you pls tell me how to measure QoS during simulation I'm working with voice packets in a VoIP network... Thanks Regards Brenda

[ns] QoS measurements

Can you pls tell me how to measure QoS during simulation I'm working with voice packets in a VoIP network... Thanks Regards <[EMAIL PROTECTED]> Brenda

[ns] Node with firewall

How can I implement a firewall on a node that is to be a router so that malicious packets can be dropped? What mechanism can I use to determine if a packet is malicious or not? Thanks

[ns] how can i implement a firewall on a node

can someone pls help me? how can I make a node drop malicious packets in a VoIP network? what mechanism can i use to identify a malicious packet? Thanks

[ns] QoS routing

Does anyone know an efficient way to implement QoS routing in NS-2? Thanks

[ns] Pls read!!!

For QoS routing, to determine the shortest path each link is assigned a weight and the shortest path is the one with the smallest aggregate weight. My questions is, how can I assign a weight value to a link?

[ns] best-effort traffic

how can I get dynamically obtained load information for links and how can I use it to compute the shortest path routes for best-effort traffic

[ns] which of these is the ideal QoS-aware multicast routing strategy

Pls can someone tell me which of these; centralised, dense mode(DM) or shared tree mode(ST) is the best multicast routing strategy that I can implement QoS mechanism on? Thanks

[ns] G.711 codec

I want to use G.711 codec to simulate a VoIP traffic using an exponential distribution process based on a stochastic model... Can someone pls tell me what properties my packets will have based on the G.711 codec standard... Does anyone have a tcl script depicting G.711 Thanks Regards

[ns] Gigabit Ethernet on NS-2

I want to simulate Gigabit Ethernet on 5 routers connected in a full-mesh topology using multicast routing strategy... I'm connecting the routers to 4 WAN networksThe 5 routers serve as a core network... I'm concerned with QoS in a VoIP network, I'm looking at things like end-to-end delay, pac

[ns] Help with Gigabit Ethernet!!!

Please I need help implementing gigabit ethernet using NS2 on 5 nodes acting as routers using multicast strategy in a full-mesh topology... How do i go about implementing this and the links? Thanks a lot Regards, Brenda

[ns] need tcl script showing voice codec implementation

Can someone pls give me a script showing voice codec implementation in NS2? I'm working with G.711, but any available one based on the H.323 standard will be greatly appreciated. Thanks. regards, Brenda

[ns] I really need advice on gigabit ethernet

Pls I need to know what it takes to simulate gigabit ethernet... I'm sorry cos I know I've asked this question to ns users twice already today, but I have a report to submit tomorrow and I need to know even a little about simulating Gigabit Ethernet in NS-2 I'm working on VoIP core networks us

[ns] core network

Can you pls help me... I'm working on VoIP core networks... I'm basically connecting 4 WAN models via an edge network to the core... The core consist of only routers whose function is to route voice packets amoongst the WANs... can you pls give me an idea of what my tcl script will look like I nee

[ns] core network

Can you pls help me... I'm working on VoIP core networks... I'm basically connecting 4 WAN models via an edge network to the core... The core consist of only routers whose function is to route voice packets amoongst the WANs... can you pls give me an idea of what my tcl script will look like I nee

[ns] Mesh topology tcl script

Can anyone give me an idea of what packet traffic will look in a mesh topology? I need a template to work with... Pls attached to this mail is a diagram of what I'm working with to give you an idea.. Thanks Brenda

[ns] core network configuration...tcl script

Can someone pls give me an idea of how to configure my VoIP core network in tcl... The core network consists of routers which routes voice packets amongst 4 WAN models... Thanks Brenda

[ns] Loss monitor

Can someon pls help me I'm carrying out a performance evaluation between 2 types of core network using QoS parameters as my performance metrics... So I'm gonna be testing for throughput, packet loss and packet delay... Attached to this mail is a diagram of my model... I'm connecting 4 WAN mode

[ns] What is a duplex link?

Hi theresorry for the noobish question... I'm trying to configure link connection between 5 nodes (routers) at the core network level of a VoIP network using full-mesh topology... Thanks Pls see attached figure Brenda

[ns] Dynamic routing at the core

Can someone pls help me? Attached to this message is a figure of the model I'm using for a project... I'm connecting 4 WAN models via an edge network to a core network... Now I want to employ dynamic routing (incase of link failure) for connectivity between the edge network and the core network an

[ns] Routing protocol??

What is the best routing protocol for a full-mesh topology?

[ns] NAM layout

can someone pls explain the layout of nodes properly in the NAM display e.g $ns duplex-link-op $n0 $n2 orient right-down $ns duplex-link-op $n1 $n2 orient right-up $ns duplex-link-op $n2 $n3 orient right # right(0), right-up(45), right-down(315), left(180), # left-up(135),left-down(225),

Re: [ns] Mesh topology tcl script

ing traffic that is destined to > an outside network (in your case the core network). They are also > responsible for accepting traffic from outside networks (again, your core > network). > I think that multicast should work fine at the core. > > On 29/10/2007, Brenda Lindsay Willia

[ns] Diffserv in NS2

can someone pls tell me how to implement Diffserv in a core network which consists of 3 routers and an edge network which consists of 2 routers? Pls see attached figure Thanks Brenda

[ns] This statement...

"In a backbone environment where the traffic can steadily be in the nx10 Mbit/s order of magnitude, building effective models is essential." Can someone tell me what "n" and "x" stand for?...Please ignore the "nx" aboveit's actually n raise to the power of x... Thanks

[ns] ATM on NS2

Can anyone give me any information on setting up ATM in NS2? Thanks