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To: ns-edu@ISI.EDU
Subject: [ns-edu] ns-edu list underway
Date: Tue, 31 Oct 2000 15:42:12 -0800
From: John Heidemann <johnh@ISI.EDU>
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Folks who get this message are now subscribed to the ns-edu mailing
list.  (Unfortunately due to majordomo bugs this was not true until
today.)

Below is the list welcome message.

   -John Heidemann

----------------------------------------

Welcome to ns-edu, a mailing list about using
ns and nam to assist in teaching about network protocols.

This list is NOT the place for general ns questions.
Please send those to ns-users@isi.edu.
(Please ignore general questions posted to ns-edu,
or answer them only in private e-mail.)

To unsubscribe from this list, send the message:
        unsubscribe ns-edu
to <majordomo@isi.edu>.



From ns-edu-owner  Fri Jan 19 15:43:30 2001
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-- 
Xuan Chen
ISI/USC


From ns-edu-owner  Tue Jan 23 10:24:16 2001
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Date: Tue, 23 Jan 2001 10:23:33 -0800 (PST)
From: Padmaparna Haldar <haldar@ISI.EDU>
To: <ns-edu@ISI.EDU>, <ns-announce@ISI.EDU>
Subject: [ns-edu] Web-based interface for NS script submission/downloading
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Hi all,
	We now have a web-based interface (see below for ptr) that can be
used for contributing ns scripts (a tcl script file, namtrace file, any
screen
shot and/or web pages that describe the particular simulation). You can
also view & search the script database from this interface and download
any script from here.
There are only a few scripts currently in the database, which we hope
will grow with contributions from all of you.

Commants and ideas to improve the site (and bug-reports, ofcourse)
are very welcome. (Pl send them to ns-users list)

Link to NS script inventory page:
http://www.isi.edu/nsnam/script_inv/index.html

The above link can also be accessed from ns home page at
http://www.isi.edu/nsnam/ns/
See "NS Contributed Scripts' Inventory Page" under "Links to help getting
started".

Thanks,
--Padma Haldar.
------------------------------------------------
Be true to your work, your word, and your friend.
--Thoreau

Padmaparna Haldar


From ns-edu-owner  Tue Jan 23 11:08:01 2001
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Date: Tue, 23 Jan 2001 19:07:57 +0000 (GMT)
From: Lloyd Wood <l.wood@eim.surrey.ac.uk>
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To: Padmaparna Haldar <haldar@ISI.EDU>
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Subject: Re: [ns-edu] Web-based interface for NS script submission/downloading
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On Tue, 23 Jan 2001, Padmaparna Haldar wrote:

> 	We now have a web-based interface (see below for ptr) that
> can be used for contributing ns scripts (a tcl script file,
> namtrace file, any screen shot and/or web pages that describe the
> particular simulation). You can also view & search the script
> database from this interface and download any script from here.
> There are only a few scripts currently in the database, which we
> hope will grow with contributions from all of you.

Since you're inside ISI, you probably haven't noticed that all links
to the scripts are of the form:

file:/nfs/jade/blah

i.e. not accessible outside ISI.

I'd suggest using this to build an index to the contents of:
http://www.isi.edu/cgi-bin/nsnam/cvsweb/ns-2/tcl/ex
where all the example scripts in the distribution can be described in
detail. hey presto, the newbie doing a search will find that she has
already downloaded the script that contains the solution to her
problem, but didn't know it.


> Link to NS script inventory page:
> http://www.isi.edu/nsnam/script_inv/index.html

just call it http://www.isi.edu/nsnam/scripts/

far easier to type and remember.

L.

<L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>



From ns-edu-owner  Tue Jan 23 11:29:30 2001
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Date: Tue, 23 Jan 2001 11:28:46 -0800 (PST)
From: Padmaparna Haldar <haldar@ISI.EDU>
To: Lloyd Wood <l.wood@eim.surrey.ac.uk>
cc: <ns-edu@ISI.EDU>
Subject: Re: [ns-edu] Web-based interface for NS script submission/downloading
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Lloyd,
Thanks for pointing the bug out; it has been serious overlooking on my
part. already have received multiple error-reports on that!
and thanks for yr suggestion for linking tcl/ex.
The basic intention for this script database is for educational purpose;
to help people use ns to demonstrate networking issues in classrooms etc.
Hence the format for uploading file which includes namoutputs, screen
shots...
But I guess we could have a different interface that would allow
search thru the above database, tcl/ex and any other sources for ns
scripts.

--Padma.

On Tue, 23 Jan 2001, Lloyd Wood wrote:


> On Tue, 23 Jan 2001, Padmaparna Haldar wrote:
>
> > 	We now have a web-based interface (see below for ptr) that
> > can be used for contributing ns scripts (a tcl script file,
> > namtrace file, any screen shot and/or web pages that describe the
> > particular simulation). You can also view & search the script
> > database from this interface and download any script from here.
> > There are only a few scripts currently in the database, which we
> > hope will grow with contributions from all of you.
>
> Since you're inside ISI, you probably haven't noticed that all links
> to the scripts are of the form:
>
> file:/nfs/jade/blah
>
> i.e. not accessible outside ISI.
>
> I'd suggest using this to build an index to the contents of:
> http://www.isi.edu/cgi-bin/nsnam/cvsweb/ns-2/tcl/ex
> where all the example scripts in the distribution can be described in
> detail. hey presto, the newbie doing a search will find that she has
> already downloaded the script that contains the solution to her
> problem, but didn't know it.
>
>
> > Link to NS script inventory page:
> > http://www.isi.edu/nsnam/script_inv/index.html
>
> just call it http://www.isi.edu/nsnam/scripts/
>
> far easier to type and remember.
>
> L.
>
> <L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>
>
>

-- 
------------------------------------------------
Be true to your work, your word, and your friend.
--Thoreau

Padmaparna Haldar




From ns-edu-owner  Tue Jan 23 16:16:25 2001
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Date: Tue, 23 Jan 2001 16:15:42 -0800 (PST)
From: Padmaparna Haldar <haldar@ISI.EDU>
To: <ns-edu@ISI.EDU>
Subject: [ns-edu] more on NS contributed scripts' inventory 
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Following on todays announcement of a web index for ns scripts,
the current focus is to build a database of scripts for educational
applications of ns.

So with time and growing number of contributions, we'd be able
to create a pool of ns scripts alongwith their nam-demos (one of our
future plans is to run nam from the web browser), screen-shots
etc, which could be used to demonstrate interesting features of a
particular protocol, or to stress any other networking issues, primarily
in classrooms. so we'd like to encourage people who already use ns for
teaching (as well as those who don't but would like to), to use this
database for downloading different scripts as well as for contributing
their own scripts.

When we have more experience with this way of organizing scripts
we will consider expanding it to store general ns scripts.

Thanks,
--Padma.

PS: Also, the bug encountered while downloading files has been fixed.

------------------------------------------------
Be true to your work, your word, and your friend.
--Thoreau

Padmaparna Haldar


From ns-edu-owner  Fri Feb  2 16:28:40 2001
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Date: Fri, 2 Feb 2001 16:27:18 -0800 (PST)
From: Padmaparna Haldar <haldar@ISI.EDU>
To: <ns-edu@ISI.EDU>, <ns-announce@ISI.EDU>
Subject: [ns-edu] Link to web index of NS edu scripts changed
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FYI, the link to the ns educational module repository has been renamed.
Pl visit
http://www.isi.edu/nsnam/repository

instead of
http://www.isi.edu/nsnam/script_inv

The change should be visible after midnight today.
Thanks,
--Padma.
------------------------------------------------
Be true to your work, your word, and your friend.
--Thoreau

Padmaparna Haldar


From ns-edu-owner  Mon Feb  5 05:33:06 2001
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Date: Mon, 5 Feb 2001 13:33:02 +0000 (GMT)
From: Lloyd Wood <l.wood@eim.surrey.ac.uk>
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To: Padmaparna Haldar <haldar@ISI.EDU>
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Subject: Re: [ns-edu] Link to web index of NS edu scripts changed
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On Fri, 2 Feb 2001, Padmaparna Haldar wrote:

> FYI, the link to the ns educational module repository has been renamed.
> Pl visit
> http://www.isi.edu/nsnam/repository

I'd expect ns users to be able to spell 'scripts'.
I'm not so sure about 'repository'.


> instead of
> http://www.isi.edu/nsnam/script_inv
> 
> The change should be visible after midnight today.

(time zone?)
implement a RedirectPermanent under Apache... then no announcement is
needed.

L.

<L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>


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DQpOUyBjYW4gcnVuIGlmIHlvdSBnZXQgcmlkIG9mIHRoZSBvdGhlciBmaWxlcy48L0ZPTlQ+PC9E
SVY+DQo8RElWPiZuYnNwOzwvRElWPg0KPERJVj48Rk9OVCBzaXplPTI+VGhhbmtzLjwvRk9OVD48
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PjwvQk9EWT48L0hUTUw+DQo=

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From ns-edu-owner  Tue Mar  6 08:16:59 2001
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To: zhou hai jun <zhouhj@atm.mdc.tsinghua.edu.cn>
cc: ns-edu@ISI.EDU
Subject: Re: [ns-edu] May I ask some questions? 
In-Reply-To: Message from zhou hai jun <zhouhj@atm.mdc.tsinghua.edu.cn> 
   of "Tue, 06 Mar 2001 20:03:51 +0800." <000801c0a635$83ed0500$c7436fa6@atm> 
Date: Tue, 06 Mar 2001 07:43:03 -0800
From: John Heidemann <johnh@ISI.EDU>
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Please post general questions about how to use ns to the ns-users
mailing list, not to ns-edu.  This will help us keep ns-edu lists
on-topic (it is about using ns for educaction, not about help or
education for users of ns---that's what ns-users is for).  (And, since
ns-users has a much larger readership, your question may well be
answered more quickly there anyway.)

Thanks,
   -John Heidemann

>
>How do you do.
>
>I am a Chinese student.I want ask you some questions on NS:
>
> 
>
>1.How to generate yourfile.o under Linux?
>
>2.Which files must the NS's platform include? I mean the NS can run if you get
>rid of the other files.
>
> 
>
>Thanks.
>
>Good mood every day!

From ns-edu-owner  Mon Aug 13 00:23:06 2001
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Hi
I am working in Wipro Technology , Bangalore(India).  I have been assigned a
project related to "NS-2 for RPR(Resilient Packet Ring) or Spatial reuse
protocol(SRP)" . Can you just send me more information on NS-2 simulator for
RPR? or NS-2 for datalink layer for any protocol like SONET,SDH etc.  I also
want to know,  what are
the things we can test in RPR by using this NS-2 simulator.

Thanking  and Regards

Anand Verma




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From ns-edu-owner  Mon Sep 17 11:21:10 2001
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Date: Mon, 17 Sep 2001 11:23:56 -0700
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Subject: [ns-edu] nam-1.0a11-prerelease
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Hello Everyone,

This is an announcement for an interim release between nam version
1.0a10 and 1.0a11.  This release is version 1.0a11-prerelease.  Nam
version (1.0a11) will be included in the next all-in-one release of
ns and nam.

This prerelease contains the following:

 *  A more feature complete nam editor, which allows the graphical
     creation of ns scripts, network topologies and mobile node
      movement.

        - To create a new editor file select New Editor... from the File

           menu in the Nam Console window.

 *  Several bug fixes in the display of wireless animations.


The goals of the nam editor are to enable new users to create and
manipulate ns scripts without any knowledge of tcl  programming and
to have a tool that can be used in lab experiments to further students
understanding of networking principles and concepts.

For more information about using nam and ns for educational purposes,
please see the web page http://www.isi.edu/nsnam/ns/edu/index.html
and consider joining the
ns-edu mailing list.

Source code and precompiled binaries can be downloaded from
http://www.isi.edu/nsnam/nam/.  Please send all comments and bug
reports to ns-users@isi.edu.

Thanks,

John Mehringer



From xuanc@ISI.EDU Fri Jan  4 20:15:43 2002
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Date: Fri, 4 Jan 2002 20:16:54 -0800 (PST)
From: Xuan Chen <xuanc@ISI.EDU>
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Hi,

This a test message for our new ns-edu mailman list.
All previous subscribers have been transfered to the new list 
automatically.

The general information for the new list is at:

http://mailman.isi.edu/mailman/listinfo/ns-edu

You can also browse the archives and change the personal configs (such as 
retrieve and change your mailman password, etc) on that page. 

If there's any problems, please let me know. Thanks.

Cheers,
-chen

-- 
Xuan Chen
USC/ISI


From xuanc@ISI.EDU Sat Jan  5 11:10:46 2002
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Date: Sat, 5 Jan 2002 11:11:57 -0800 (PST)

FYI,

We have restored the old archives of the mailing list: 
ns-edu@isi.edu.

If you need to check those old mails, please find them at:

http://mailman.isi.edu/mailman/listinfo/ns-edu

Cheers,
-chen






-- 
Xuan Chen
USC/ISI


From xuanc@ISI.EDU Mon Jan  7 09:39:40 2002
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Date: Mon, 7 Jan 2002 09:40:50 -0800 (PST)

FYI,

We have restored the old archives of the mailing list: 
ns-edu@isi.edu.

If you need to check those old mails, please find them at:

http://mailman.isi.edu/mailman/listinfo/ns-edu

Cheers,
-chen








-- 
Xuan Chen
USC/ISI


From xuanc@ISI.EDU Mon Jan  7 09:52:54 2002
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Date: Mon, 7 Jan 2002 09:54:04 -0800 (PST)

On Sat, 5 Jan 2002, Xuan Chen wrote:

> FYI,
> 
> We have restored the old archives of the mailing list: 
> ns-edu@isi.edu.
> 
> If you need to check those old mails, please find them at:
> 
> http://mailman.isi.edu/mailman/listinfo/ns-edu
> 
> Cheers,
> -chen
> 
> 
> 
> 
> 
> 
> 

-- 
Xuan Chen
USC/ISI


From Nazih.KHADDAJMALLAT@enst-bretagne.fr Tue Feb 12 10:37:31 2002
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Date: Tue Feb 12 10:40:02 2002
X-Original-Date: Tue, 12 Feb 2002 19:36:02 +0100 (MET)

Hello,

I am a student in the "Ecole Nationale des Telecommunications de BRETAGNE" in 
BREST in FRANCE.

I have a project to do and in this project i have to add a module of ATM in 
order to simulate with NS , so my question is what is the way ( use make , 
makefile , condigure ... how to use these ...) to use for adding this module in 
the code of NS and to compile it in order to simulate it with ns " this is the 
essential purpose of my project" .

Please, i am waiting your answer because it is very important to continue the 
project.
                         Thank you

From mbawad@aast.edu Sun Mar  3 07:18:56 2002
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Subject: [Ns-edu] mobile agents
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This is a multi-part message in MIME format.

------=_NextPart_000_0007_01C1C2D7.513576A0
Content-Type: text/plain;
	charset="windows-1256"
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Hi every one,
   =20
    I would like to ask if i can use the ns for simulating a network =
that carry mobile agents that roam the nodes
doing some tasks (ex,..updating routing tables).

Thanks very much for your help

George

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	charset="windows-1256"
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Dwindows-1256" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2314.1000" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi every one,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>&nbsp;&nbsp;&nbsp; </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>&nbsp;&nbsp;&nbsp; I would like to ask =
if i can use=20
the ns for simulating a network that carry mobile agents that roam the=20
nodes</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>doing some tasks (ex,..updating routing =

tables).</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Thanks very much for your =
help</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>George</FONT></DIV></BODY></HTML>

------=_NextPart_000_0007_01C1C2D7.513576A0--


From johnh@ISI.EDU Mon Mar  4 09:59:00 2002
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To: "George Mourad Bacilly" <mbawad@aast.edu>
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Subject: Re: [Ns-edu] mobile agents 
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Date: Mon Mar  4 10:00:03 2002
X-Original-Date: Mon, 04 Mar 2002 09:55:24 -0800

On Sun, 03 Mar 2002 17:17:37 +0200, "George Mourad Bacilly" wrote: 
>[1  <text/plain; windows-1256 (quoted-printable)>]
>
>[2  <text/html; windows-1256 (quoted-printable)>]
>
>Hi every one,
>
>   
>
>    I would like to ask if i can use the ns for simulating a network that
>carry mobile agents that roam the nodes
>
>doing some tasks (ex,..updating routing tables).
>
> 
>
>Thanks very much for your help
>
> 
>
>George
>


This question doesn't seem very related to ns use for education.
Please post general ns questions to ns-users
so that we can keep ns-edu on target.

(If I misinterpreted your question, you're welcome to clarify.)

   -John Heidemann

From gabis_ah@yahoo.fr Sun Mar 24 06:46:52 2002
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Date: Sun Mar 24 06:50:01 2002
X-Original-Date: Sun, 24 Mar 2002 15:46:50 +0100 (CET)

hi

how i can build a simulation for a distributed
algorithm in ns, like mutual exclusion



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From rima@hplab01.ee.ucla.edu Thu Apr 11 14:38:43 2002
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From: Rima May Khalaf <rima@ee.ucla.edu>
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Date: Thu Apr 11 14:40:02 2002
X-Original-Date: Thu, 11 Apr 2002 14:38:42 -0700 (PDT)

Hello everyone,

I am a graduate EE student at UCLA, and I am intersted in doing a
simulation study of some routing protocols in ad hoc networks when using
directional antennas.

To my knowledge, the classical NS2 software package only
supports omni directional antennas.

Does anyone know of a readily existing modification of the code that
allows the use of directional antennas?

Any information will be greatly appreciated!

Thanx,
Rima


From johnh@ISI.EDU Thu Apr 11 15:12:55 2002
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Subject: Re: [Ns-edu] Suppoer for Directional Antennasin NS2 
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Date: Thu Apr 11 15:15:40 2002
X-Original-Date: Thu, 11 Apr 2002 15:12:26 -0700

On Thu, 11 Apr 2002 14:38:42 PDT, Rima May Khalaf wrote: 
>Hello everyone,
>
>I am a graduate EE student at UCLA, and I am intersted in doing a
>simulation study of some routing protocols in ad hoc networks when using
>directional antennas.
>
>To my knowledge, the classical NS2 software package only
>supports omni directional antennas.
>
>Does anyone know of a readily existing modification of the code that
>allows the use of directional antennas?
>
>Any information will be greatly appreciated!

This is not an ns-edu related issue.  Please re-post this question on
the ns-users mailing list to keep ns-edu on-target (and low-traffic).

   -John Heidemann

From ee601@excite.com Tue Apr 16 01:03:03 2002
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--EXCITEBOUNDARY_000__326ac5220004af33969a5609b7bb163f
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit

 Hi,

In NS, for adhoc networks, is it possible to specify the amount of energy spent for every transmission?
Let me make it a bit clear with an example below.

Say I have the following links 
 a) node1 - node2
 b) node1 - node3
 c) node1 - node4

And node1 sends data to node2, node3 and node4. I want the have transmit at different energy levels for these
three nodes. How can I do this? If this is not currently supported, can someone give me some tips/guidance
as to how I can go about doing this?


Thanks,
deja

------------------------------------------------


--EXCITEBOUNDARY_000__326ac5220004af33969a5609b7bb163f
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: 7bit

 Hi,
<br />

<br />
In NS, for adhoc networks, is it possible to specify the amount of energy spent for every transmission?
<br />
Let me make it a bit clear with an example below.
<br />

<br />
Say I have the following links 
<br />
 a) node1 - node2
<br />
 b) node1 - node3
<br />
 c) node1 - node4
<br />

<br />
And node1 sends data to node2, node3 and node4. I want the have transmit at different energy levels for these
<br />
three nodes. How can I do this? If this is not currently supported, can someone give me some tips/guidance
<br />
as to how I can go about doing this?
<br />

<br />

<br />
Thanks,
<br />
deja<p><hr>

--EXCITEBOUNDARY_000__326ac5220004af33969a5609b7bb163f--

From mchuang@cs.uwm.edu Tue Apr 16 14:30:16 2002
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Date: Tue Apr 16 14:35:02 2002
X-Original-Date: Tue, 16 Apr 2002 16:30:14 -0500

Hi,

I am just new in using ns-2. I have a problem for connecting one node to 
multiple nodes and that node can get the acks from all those connected nodes. 
For example, node 1 connects to node 2, 3 and 4 at the same time and Node 1 
can also get the acks from node 2, 3, and 4 once they get the message from 
node 1. I appreciate if someone can tell me how to implement that. 
Thank you very much.


Ming-Chang Huang

From Anthony.J.Anbu@uts.edu.au Tue Apr 16 20:12:08 2002
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Date: Wed Apr 17 05:15:06 2002
X-Original-Date: Wed, 17 Apr 2002 13:12:00 +1000

I am new to NS2. Can somebody tell me how to install NS2 in 
Windows (i.e 98 or XP)?

I tried following the NS2 website directions, but it did not work!

Would this be good as running on a Unix machine?

Thanking you all for your help

Regards,

Jitendra 





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From johnh@ISI.EDU Wed Apr 17 10:52:46 2002
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Date: Wed Apr 17 10:55:01 2002
X-Original-Date: Wed, 17 Apr 2002 10:49:31 -0700

Because of the series of off-topic posts to ns-edu, I've changed the
mailing list to be moderated.  Every post will now be reviewed before
it appears.  I apologize for the added delay this introduces, but I
think it's very important to keep ns-edu on topic (about using ns for
classroom education, not overrun by "help me" mail).

   -John Heidemann


From tomh@tomh.org Mon Aug 12 21:08:14 2002
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Subject: [Ns-edu] experience with ns in class
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Date: Wed Aug 14 05:15:56 2002
X-Original-Date: Mon, 12 Aug 2002 21:05:47 -0700 (PDT)

This note is intended to describe my experience in using ns as part of
teaching an undergraduate (EE/CS Intro to Networking, Peterson/Davie) 
course at the University of Washington.  

I used ns for essentially three assignments:
i) ARQ protocols (link layer)
ii) Distance-vector routing
iii) experimenting with TCP variants
plus a fourth introductory assignment for getting used to the simulator.

My objective was to avoid having students write any code that required 
recompilation.  This was because i) the administrator of the departmental 
machines agreed to install ns and all of its dependencies in a file share
that could be mounted on all the rest of the machines (and hence, students
wouldn't have privileges to recompile), and ii) I didn't want to take
students down the path of having to understanding the split object model.

Therefore, I decided to base all of the protocol work on OTcl-based agents
using the Agent/Message class (it was the closest analog to what I had
in mind).

Plusses of ns
-----------
- nam received positive feedback-- the animations were helpful in 
visualizing the operation of the protocols
- students rated the TCP assignment the most interesting, because it
made liberal use of xgraph and understanding the impact of different
TCP loss algorithms graphically (Tahoe vs. Reno vs. NewReno)

Minuses of ns
-----------
- Students struggled with Tcl syntax, especially undergraduate EE students.
For example, the list manipulation commands (lreplace, lindex) proved
vexing for some.
- It was probably more difficult than it should have been for me to write
protocols that did not involve changing any C++ code.  In the end, I 
decided to base both the ARQ and routing protocols on the Agent/Message
class.  This was kind of clumsy but it allowed me to overlay my protocols
on a statically configured network.  This type of solution has limitations
(e.g., making sure that messages don't exceed 64 characters because
of the base class definition, treating PDUs as character based strings
rather than binary, interworking with other pieces of ns), but can be
used satisfactorily if the goals of the assignment are modest. 

Thoughts on if I were to do it again
------------
A straightforward message-passing protocol framework, for educational
use, would be helpful.  For protocols at IP layer or above, something
akin to a raw sockets interface would be useful.  

Because of the abstraction in the ns simple links, it is difficult to
experiment with link layer protocols.

My scripts are available at http://www.tomh.org/class/ if anyone is
interested.

Tom


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Date: Tue Oct 29 08:55:03 2002
X-Original-Date: Tue, 29 Oct 2002 08:49:50 -0800

We've added several on-line resources about using ns in the classroom and
lab recently:

- Christos and I wrote a brief white paper summarizing how we've been
  using simulation and animations in teaching network courses.  You
  can get a copy at
  <http://www.isi.edu/~johnh/PAPERS/Papadopoulos02a.html>

- We've put several sample homework assignments using ns and nam on
  the web.  This feature is password protected and intended for
  professors teaching courses, please contact me for access.

- We now have lists that tie the nam animations in the repository to
  chapters in three widely used network textbooks.  See the "textbook
  resources" section of <http://www.isi.edu/nsnam/ns/edu/index.html>

  One thing setting this list up revealed is that although we have
  pretty deep coverage of several more advanced topics (TCP,
  multicast, etc.), we need more basic animations.  If you've done
  animations in areas we don't currently cover, please add them to the
  repository <http://www.isi.edu/nsnam/repository/index.html>.

We hope you find these helpful and encourage you to share your
experiences on the ns-edu mailing list (both what works and what
doesn't work).

   -John Heidemann


From sabrina@inf.ufsc.br Thu Mar 27 10:32:24 2003
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Date: Thu Mar 27 17:50:01 2003
X-Original-Date: Thu, 27 Mar 2003 15:32:18 -0300

Hello,

I´d like to know more information (articles, thesis, papers...) on the use of 
simulation as a mean of learning/teaching computer networks. 

I´m a graduate student from Brasil and currently working on an Applet interface 
to execute ns and analyse its results.

I´d also like to know if there are any other projects with the same goal - 
making an easier, more friendly interface for ns.

All help is appreciated.

thank you,
Sabrina Leandro
http://www.ucer.nurcad.ufsc.br
Universidade Federal de Santa Catarina - Brasil





From sabrina@inf.ufsc.br Fri Mar 28 11:47:46 2003
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Date: Sat Mar 29 05:16:40 2003
X-Original-Date: Fri, 28 Mar 2003 16:47:34 -0300

Hi,

Thank you all for your answers. 

Just to be clear, I´m not looking for ns documentation or tutorials. We have 
already been working with ns-2 for almost 2 years and we have a big ns-expert 
here in our project (after a long long time of headaches and difficulties :)

I´m writing a paper about this graphical interface I developed for ns, so I was 
looking for other papers or studies on the same subject, so that I could 
compare and analyse them.

Thanks S Puangpronpitag, you offered me a a lot of good examples. I already 
looked up the ns website for more info, but found none. I´ll try google again, 
maybe my choice for words for the query was wrong.

I´ll sure post here as soon as our project is done. It´s basicly an Applet 
interface to design the network, then the topology information is sent to the 
webserver through normal HTML POST method. On the server, php scripts treat the 
information and a TCL script generates the TCL script to be used by ns. 

After that the user is sent to a page where he/she can analyse the results and 
download the tcl script and the nam and ns trace files.

Also, professor Salvador, I´m interested about your researches. Could you send 
me some more information, please?

Sabrina Leandro
http://www.ucer.nurcad.ufsc.br
UFSC - Brasil.


Citando S Puangpronpitag <nuk@comp.leeds.ac.uk>:

> As I can remind, there are a few studies that maybe related with what U
> ask (better interface):
> - nscript is a java-based graphical editor to create ns scripts
>     http://www.people.virginia.edu/%7Eec3z/software.html
> - web traffic simulation
>    http://www.net.uni-sb.de/~jw/nsweb/
> - Javis of UCL
>    http://cs.baylor.edu/%7Edonahoo/NIUNet/javis.html
> - Javasim of UIUC
>    http://javasim.cs.uiuc.edu/
> 
> a few more.. (need to rummage to my ns2 lit. note, which is not here).
> I think U can search from google yourself.
> 
> For ns2 for learning/teaching, check ns2 webpages and search around. U
> would find a lot of them.
> 
> BTW, I am also interested in the project to make a better user interface
> for ns2. If U have done anything, it would be great to see it.
> 
> HTH,
> Nuk
> ---
> Somnuk P.
> ---
> http://www.comp.leeds.ac.uk/nuk
> ATM-Multimedia Group, School of Computing. Leeds, LS2 9JT, UK.
> Tel:  +44(0)113 3436806                Fax: +44(0)113 3435468
> ========================================================
>    **   I think & think for months and years  **
>    **   99 times, the conclusion is false.    **
>    **   The hundredth time, I am right!       **
> ========================================================
>                                 Albert Einstein
> 
> 
> 
> > Hello,
> >
> > I´d like to know more information (articles, thesis, papers...) on the use
> of
> > simulation as a mean of learning/teaching computer networks.
> >
> > I´m a graduate student from Brasil and currently working on an Applet
> interface
> > to execute ns and analyse its results.
> >
> > I´d also like to know if there are any other projects with the same goal -
> > making an easier, more friendly interface for ns.
> >
> > All help is appreciated.
> >
> > thank you,
> > Sabrina Leandro
> > http://www.ucer.nurcad.ufsc.br
> > Universidade Federal de Santa Catarina - Brasil
> 





----- Finalizar mensagem encaminhada -----






From christos@ISI.EDU Sat Mar 29 05:33:02 2003
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From: Christos Papadopoulos <christos@ISI.EDU>
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Subject: Re: Enc: Re: [Ns-edu] More information...
In-Reply-To: <1048880854.3e84a6d692ab7@webmail.inf.ufsc.br> from "sabrina@inf.ufsc.br" at "Mar 28, 3 04:47:34 pm"
To: sabrina@inf.ufsc.br
Cc: ns-edu@ISI.EDU
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Date: Sun Mar 30 05:15:07 2003
X-Original-Date: Sat, 29 Mar 2003 05:32:59 -0800 (PST)

Sabrina,

have you looked through the education related material on the ns
web page? http://www.isi.edu/nsnam/ns/edu/index.html
There you will also find a repository of pre-packaged animations
intended for classroom use.

NAM has editing capabilities that allows you to graphically create
topologies and run them directly from the editor. To use it, run
nam and choose "New nam editor" from the file menu.

Lastly, we would be very interested to learn how you are using/plan
to use ns/nam in education.

Hope this helps,

Christos.

------------ sabrina@inf.ufsc.br writes:
  > Hi,
  > 
  > Thank you all for your answers. 
  > 
  > Just to be clear, I´m not looking for ns documentation or tutorials. We have 
  > already been working with ns-2 for almost 2 years and we have a big ns-expert 
  > here in our project (after a long long time of headaches and difficulties :)
  > 
  > I´m writing a paper about this graphical interface I developed for ns, so I was 
  > looking for other papers or studies on the same subject, so that I could 
  > compare and analyse them.
  > 
  > Thanks S Puangpronpitag, you offered me a a lot of good examples. I already 
  > looked up the ns website for more info, but found none. I´ll try google again, 
  > maybe my choice for words for the query was wrong.
  > 
  > I´ll sure post here as soon as our project is done. It´s basicly an Applet 
  > interface to design the network, then the topology information is sent to the 
  > webserver through normal HTML POST method. On the server, php scripts treat the 
  > information and a TCL script generates the TCL script to be used by ns. 
  > 
  > After that the user is sent to a page where he/she can analyse the results and 
  > download the tcl script and the nam and ns trace files.
  > 
  > Also, professor Salvador, I´m interested about your researches. Could you send 
  > me some more information, please?
  > 
  > Sabrina Leandro
  > http://www.ucer.nurcad.ufsc.br
  > UFSC - Brasil.
  > 
  > 
  > Citando S Puangpronpitag <nuk@comp.leeds.ac.uk>:
  > 
  > > As I can remind, there are a few studies that maybe related with what U
  > > ask (better interface):
  > > - nscript is a java-based graphical editor to create ns scripts
  > >     http://www.people.virginia.edu/%7Eec3z/software.html
  > > - web traffic simulation
  > >    http://www.net.uni-sb.de/~jw/nsweb/
  > > - Javis of UCL
  > >    http://cs.baylor.edu/%7Edonahoo/NIUNet/javis.html
  > > - Javasim of UIUC
  > >    http://javasim.cs.uiuc.edu/
  > > 
  > > a few more.. (need to rummage to my ns2 lit. note, which is not here).
  > > I think U can search from google yourself.
  > > 
  > > For ns2 for learning/teaching, check ns2 webpages and search around. U
  > > would find a lot of them.
  > > 
  > > BTW, I am also interested in the project to make a better user interface
  > > for ns2. If U have done anything, it would be great to see it.
  > > 
  > > HTH,
  > > Nuk
  > > ---
  > > Somnuk P.
  > > ---
  > > http://www.comp.leeds.ac.uk/nuk
  > > ATM-Multimedia Group, School of Computing. Leeds, LS2 9JT, UK.
  > > Tel:  +44(0)113 3436806                Fax: +44(0)113 3435468
  > > ========================================================
  > >    **   I think & think for months and years  **
  > >    **   99 times, the conclusion is false.    **
  > >    **   The hundredth time, I am right!       **
  > > ========================================================
  > >                                 Albert Einstein
  > > 
  > > 
  > > 
  > > > Hello,
  > > >
  > > > I´d like to know more information (articles, thesis, papers...) on the use
  > > of
  > > > simulation as a mean of learning/teaching computer networks.
  > > >
  > > > I´m a graduate student from Brasil and currently working on an Applet
  > > interface
  > > > to execute ns and analyse its results.
  > > >
  > > > I´d also like to know if there are any other projects with the same goal -
  > > > making an easier, more friendly interface for ns.
  > > >
  > > > All help is appreciated.
  > > >
  > > > thank you,
  > > > Sabrina Leandro
  > > > http://www.ucer.nurcad.ufsc.br
  > > > Universidade Federal de Santa Catarina - Brasil
  > > 
  > 
  > 
  > 
  > 
  > 
  > ----- Finalizar mensagem encaminhada -----
  > 
  > 
  > 
  > 
  > 


From sluna@ic.uma.es Tue Apr  1 06:59:59 2003
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From: =?iso-8859-1?Q?Salvador_Luna_Ram=EDrez?= <sluna@ic.uma.es>
To: <ns-edu@ISI.EDU>
References: <1048880854.3e84a6d692ab7@webmail.inf.ufsc.br>
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Date: Wed Apr  2 05:15:29 2003
X-Original-Date: Tue, 1 Apr 2003 16:59:03 +0200

Hi again Sabrina.
We are two or three lectures (the spanish word 'profesor' can be
misunderstood in english) working with NS-2. We started half year ago, more
or less. A colleague of mine and myself are working about routing protocols
in wireless networks. Just understanding them and simulating some scenarios.
Another colleague is designing a multicast protocol (with wired networks).
Finally, we have an optional subject in Telecommunications Engineering
called "network simulations" which we use NS-2 with. Pupils start with the
program and they build some simple simulations.
We are far from being experts, of course.
I hope it helps
Regards,
Salvador Luna.

----- Original Message -----
From: <sabrina@inf.ufsc.br>
To: <ns-edu@ISI.EDU>
Sent: Friday, March 28, 2003 9:47 PM
Subject: Enc: Re: [Ns-edu] More information...


Hi,

Thank you all for your answers.

Just to be clear, I´m not looking for ns documentation or tutorials. We have
already been working with ns-2 for almost 2 years and we have a big
ns-expert
here in our project (after a long long time of headaches and difficulties :)

I´m writing a paper about this graphical interface I developed for ns, so I
was
looking for other papers or studies on the same subject, so that I could
compare and analyse them.

Thanks S Puangpronpitag, you offered me a a lot of good examples. I already
looked up the ns website for more info, but found none. I´ll try google
again,
maybe my choice for words for the query was wrong.

I´ll sure post here as soon as our project is done. It´s basicly an Applet
interface to design the network, then the topology information is sent to
the
webserver through normal HTML POST method. On the server, php scripts treat
the
information and a TCL script generates the TCL script to be used by ns.

After that the user is sent to a page where he/she can analyse the results
and
download the tcl script and the nam and ns trace files.

Also, professor Salvador, I´m interested about your researches. Could you
send
me some more information, please?

Sabrina Leandro
http://www.ucer.nurcad.ufsc.br
UFSC - Brasil.


Citando S Puangpronpitag <nuk@comp.leeds.ac.uk>:

> As I can remind, there are a few studies that maybe related with what U
> ask (better interface):
> - nscript is a java-based graphical editor to create ns scripts
>     http://www.people.virginia.edu/%7Eec3z/software.html
> - web traffic simulation
>    http://www.net.uni-sb.de/~jw/nsweb/
> - Javis of UCL
>    http://cs.baylor.edu/%7Edonahoo/NIUNet/javis.html
> - Javasim of UIUC
>    http://javasim.cs.uiuc.edu/
>
> a few more.. (need to rummage to my ns2 lit. note, which is not here).
> I think U can search from google yourself.
>
> For ns2 for learning/teaching, check ns2 webpages and search around. U
> would find a lot of them.
>
> BTW, I am also interested in the project to make a better user interface
> for ns2. If U have done anything, it would be great to see it.
>
> HTH,
> Nuk
> ---
> Somnuk P.
> ---
> http://www.comp.leeds.ac.uk/nuk
> ATM-Multimedia Group, School of Computing. Leeds, LS2 9JT, UK.
> Tel:  +44(0)113 3436806                Fax: +44(0)113 3435468
> ========================================================
>    **   I think & think for months and years  **
>    **   99 times, the conclusion is false.    **
>    **   The hundredth time, I am right!       **
> ========================================================
>                                 Albert Einstein
>
>
>
> > Hello,
> >
> > I´d like to know more information (articles, thesis, papers...) on the
use
> of
> > simulation as a mean of learning/teaching computer networks.
> >
> > I´m a graduate student from Brasil and currently working on an Applet
> interface
> > to execute ns and analyse its results.
> >
> > I´d also like to know if there are any other projects with the same
goal -
> > making an easier, more friendly interface for ns.
> >
> > All help is appreciated.
> >
> > thank you,
> > Sabrina Leandro
> > http://www.ucer.nurcad.ufsc.br
> > Universidade Federal de Santa Catarina - Brasil
>





----- Finalizar mensagem encaminhada -----








From johnh@ISI.EDU Mon Aug 11 18:25:19 2003
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From: John Heidemann <johnh@ISI.EDU>
Subject: [Ns-edu] comments about some of the ns/nam animations
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Date: Mon Aug 11 18:30:01 2003
X-Original-Date: Mon, 11 Aug 2003 18:25:18 -0700

As the summer draws to a close, folks are starting to think about fall
networking classes.  I wanted to post some comments about some of the
animations in the current ns-edu animation database.

These comments are based on my notes about which animations I used
last year in class (a graduate level networking class).

My goal is to highlight a few of the animations that I know work
well, and how they fit in.

If other folks have comments about animations THEY used, please let us
know.

   -John

Some comments:

- all of the animations can be gotten from
http://www.isi.edu/cgi-bin/ns-edu/view_db.pl

- you can also browse through
http://www.isi.edu/nsnam/repository/topics.html
for a topical list (you have to be a little careful, though.  Some of
the animations have suffered bit rot and don't show what they claim.
We need to do some pruning.)

- you should download a current nam for best results.
There should be a windows binary on the nam web page.

- all of the scripts produce lots of warnings, even when run with the
  current nam.  This is a bug we should fix, but haven't done so yet. :-(

- You can link them in to powerpoint if you want; for details see
http://www.isi.edu/nsnam/ns/edu/powerpoint.html
(I just show them on a linux laptop.)

- finally, I hope to have a couple of wireless animations in a  week
  or two.  I'll post to ns-edu again when they're up.



NoSlowStart.nam:

shows the concept of dumping a large window into a bandwidth limited
link, and that causing loss.

No annotations at all, so you need to spell out what the point is for
sudents.

Good to contrast with SlowStart.nam (next).

I didn't show this one last year, but in an undergrad class it might
be nice, and could be presented quickly.


SlowStart.nam

Same setup as NoSlowStart.nam, but shows opening the window slowly,
and shows getting to a reasonable operating point (with packets spaced
and such better.

Has annotations that try to tell the story, but there are probably too
many details for it to be used alone... it has a some retransmits and
such, so not a clean story.

I didn't show this one last year, but in an undergrad class it might
be nice, and could be presented quickly, if coupled with NoSlowStart.
Otherwise 1_A4-slow-start is better (but less flashy).



1_A4-slow-start.nam

Very simple concept, but it has a good animation of slow-start.
(exponential increase in pkts/round.)  Very good for an undergrad
class.  Mabye to simple for a grad class, except that showing
time/sequence plots is IMHO important and this might be a good vehicle
for that.

Also good to show correlation between packets in flight and TCP
time/event graphs.
Pop it up in nam, then do "Analaysis > Active sessions" and click on
the button "TCP session between node 0.0 and node 1.0" to bring up the
namgraph.

By comparions ot SlowStart.nam, this one tells a much, much simpler
story, and has a nam graph.



fast-retransmit-out.nam

Reasonable job of showing fast retransmit.
Again, good to show with packets and namgraph.

Good for a grad class.  Mabye too much TCP detail for an undergrad
class or maybe not, depending on how much TCP you do.



fast-recovery-out.nam

A more complex concept.  Probably too much for an undergrad class.  I
go over it in my grad class some, but fast recovery is getting pretty
detailed wrt TCP algorithms.

As an animation, it does a reasonable job, although no annotations (text
in at the bottom of nam window).  But the dupack_ count and cwnd_ and
such is all in the monitor.






From singal@aludra.usc.edu Thu Sep 25 11:46:36 2003
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Two new animations showing off the different cases of the hidden terminal
problem and 802.11-like RTS/CTS/DATA/ACK are available in the ns/nam
repository.
You can get the animations from :
RTS-CTS-DATA-ACK :
http://www.isi.edu/cgi-bin/ns-edu/view_db.pl/rts-cts-data-ack.tar
HIDDEN TERMINAL :
http://www.isi.edu/cgi-bin/ns-edu/view_db.pl/sht.tar

You should get animations that should play cleanly in the current nam.
(You can get nam binaries for Windows at
http://www.isi.edu/nsnam/nam/index.html;
talk to Dr. John Heidemann if you'd prefer a Linux binary.)

If you have any comments, please let us know.
Thanks!

   -Sushmita.



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ns-edu£Ĵ

ĦĦĦĦĦĦWHERE ARE THERE THE animations OF 802.11-like RTS/CTS/DATA/ACK? 

			ĦĦ	
   	

			ĦĦĦĦĦĦĦĦcht
ĦĦ		ĦĦĦĦĦĦĦĦĦĦĦĦĦĦhongtao_cao@yahoo.com.cn
ĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦ2004-02-05



From xuanc@ISI.EDU Thu Feb  5 08:10:54 2004
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From: Xuan Chen <xuanc@ISI.EDU>
To: cht <hongtao_cao@yahoo.com.cn>
Subject: Re: [Ns-edu] WHERE ARE THERE THE animations OF 802.11-like
	RTS/CTS/DATA/ACK 
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they are under ~ns/tcl/edu, thanks.

On Thu, 5 Feb 2004, cht wrote:

> ns-edu£Ĵ
> 
> ĦĦĦĦĦĦWHERE ARE THERE THE animations OF 802.11-like RTS/CTS/DATA/ACK? 
> 
> 			ĦĦ	
>    	
> 
> 			ĦĦĦĦĦĦĦĦcht
> ĦĦ		ĦĦĦĦĦĦĦĦĦĦĦĦĦĦhongtao_cao@yahoo.com.cn
> ĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦĦ2004-02-05
> 
> 

-- 
Xuan Chen
USC/ISI


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Hello,

I am very new to NS2 and want to implement a very simple weighted
clustering algorithm. Each node in the network is randomly assigned a
weight and higher weighted nodes are assigned cluster heads. I was
wondering of ways by which each node advertises its weight to its
neighbors. Can someone please tell me (1) how the nodes will store its
weights in its packets to be sent to neighbors and (2) how and where a
node on receiving a packet store its neighbors weight.
Thank you.

Rishi


From archu_a18@hotmail.com Sun Feb  8 20:12:21 2004
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hi
i need some tutorials on nam and xgraph for wireless scenarios ...where can 
i find them?

archana

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From gaanda_bhai@yahoo.com Mon Feb  9 07:27:34 2004
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--0-2102127363-1076340448=:76182
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hello,
i am trying to run some example files using ns-2.27.
 
i am getting the following error.
 
ns: error while loading shared libraries: libpcap.so.0.6.2: cannot open shared object file: No such file or directory
 
the command that i gave is as follows:
$ ns ns-simple.tcl
 
how would i fix this problem??
i would appreciate if anyone could help me out with this.
 
-Rishi



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--0-2102127363-1076340448=:76182
Content-Type: text/html; charset=us-ascii

<DIV>hello,</DIV>
<DIV>i am trying to run some example files using ns-2.27.</DIV>
<DIV>&nbsp;</DIV>
<DIV>i am getting the following error.</DIV>
<DIV>&nbsp;</DIV>
<DIV>ns: error while loading shared libraries: libpcap.so.0.6.2: cannot open shared object file: No such file or directory</DIV>
<DIV>&nbsp;</DIV>
<DIV>the command that i gave is as follows:</DIV>
<DIV>$ ns ns-simple.tcl</DIV>
<DIV>&nbsp;</DIV>
<DIV>how would i fix this problem??</DIV>
<DIV>i would appreciate if anyone could help me out with this.</DIV>
<DIV>&nbsp;</DIV>
<DIV>-Rishi<BR></DIV><p><hr SIZE=1>
Do you Yahoo!?<br>
Yahoo! Finance: <a href="http://us.rd.yahoo.com/evt=22055/*http://taxes.yahoo.com/filing.html">Get your refund fast by filing online</a>
--0-2102127363-1076340448=:76182--

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On Mon, 09 Feb 2004 04:12:15 GMT, "archana aghoram" wrote: 
>hi
>i need some tutorials on nam and xgraph for wireless scenarios ...where can 
>i find them?

There are some sample new animations of wireless scenarios in the
educational scenario database.  (Search for "802.11".)

   -John Heidemann

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Subject: [Ns-edu] Ip traffic behaivior in a simple client-server model
	depending on the application
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Ip traffic behaivior in a simple client-server model depending on the
application.

Can anyone help me on this topic for the following applications:FTP,E-
MAIL,WEB,Voice over IP,VIDEO,TELNET.

I need this information for a academic work and iam looking for existing works.
Statistics and trace files should be included to simulate the data in ns2.

For help i thank!

hari


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Hello, 
Are there any tools available to ensure connectivity
for wireless topology. I want to generate a connected
graph, where any node can reach every other node. Is
there a way to do this? Ofcrse, we can increase the
transmission range, but what if I have a grid 670x670
and txn range=50. There are still some nodes in case
which are secluded. Node movements is disabled in my
case. 
Any suggestions would be greatly appreciated. 
Thank You


	
		
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<SPAN id=obmessage>&nbsp;
<P>Dear Sirs,</P>
<P>I installed ns-2.27 in cygwin environment successfully.But for my thesis I need to compare a secured</P>
<P>Ad Hoc routing protocol with unsecured one.Please answer to my dollowing questions:</P>
<P>1- Is ns-2.27 proper for Ad Hoc simulation? ( I see that CMU and other extensions run in previous version)</P>
<P>2-Is CMU or any other extension necessary for my purpose? (please name the other necessary extensions)</P>
<P>3- can I&nbsp; install CMU extension on ns-2.27?</P>
<P>4- How can I use aodv.cc or dsr.cc files in my .tcl projects?</P>
<P>Please let me know what is needed to start with Ad Hoc in NS-2.</P>
<P>Best Regards</P>
<P>Hojjat Habibpour</P></SPAN><BR>
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On Thu, 07 Jun 2007 07:40:04 BST, venu madhav wrote: 
>Hi all
> 
>could any one please give me a link to good Otcl tutorial or else
>can send me a soft copy of it.
>
>venu.k

Did you look at the ones of the ns web page?

   -John

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Hi all
 
  could any one please give me a link to good Otcl tutorial or else
can send me a soft copy of it.
   
   
   
   
                                                                                venu.k


       
---------------------------------
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<div>Hi all<BR>&nbsp;</div>  <div>could any one please give me a link to good Otcl tutorial or else<BR>can send me a soft copy of it.</div>  <div>&nbsp;</div>  <div>&nbsp;</div>  <div>&nbsp;</div>  <div>&nbsp;</div>  <div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; venu.k<BR></div><p>&#32;


      <hr size=1></hr> Did you know? You can CHAT without downloading messenger. <a href="http://us.rd.yahoo.com/mail/in/ywebmessenger1/*http://in.messenger.yahoo.com/webmessengerpromo.php"> Know how!</a>
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>-----Original Message-----
>From: John Heidemann [mailto:johnh@ISI.EDU]
>Sent: Thursday, June 7, 2007 04:37 AM
>To: 'venu madhav'
>Cc: ns-edu@ISI.EDU
>Subject: Re: [Ns-edu] otcl tutorial
>
>On Thu, 07 Jun 2007 07:40:04 BST, venu madhav wrote: 
>>Hi all
>> 
>>could any one please give me a link to good Otcl tutorial or else
>>can send me a soft copy of it.
>>
>>venu.k
>
>Did you look at the ones of the ns web page?
>
>   -John

Pedro's site is a really good ns-2 OTcl resource as well.
http://mega.ist.utl.pt/~pmsrve/ns2/

Tom



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 =A0Dear all,=0A=0AI am new to ns2. I wish to develop Computer Network Assi=
gnments using Ns2. I was going through the page "Using ns and nam in Educat=
ion". There are two tutorials given at the end of the page. =0A1. A Quick T=
our Around TCP using ns:=0A2. Teaching TCP Congestion Control and Avoidance=
 using ns: =0ABut when I try to access them, they give error. Can somebody =
point me to the correct accesible links to these tutorials.=0A=0AI also wan=
t similar kind of tutorials on Wireless / Ad Hoc Networks Simulation too.=
=0A=0AThanking you.=0A=0AMukul Shukla=0AReader (IT)=0AShri G. S. Institute =
of Technology and Science=0A23 Park Road=0AIndore (MP) - 452003 INDIA=0A =0A
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<P>=0A&nbsp; Dear all,<BR>=0A<BR>=0AI am new to ns2. I wish to develop Comp=
uter Network Assignments using Ns2. I was going through the page &quot;Usin=
g ns and nam in Education&quot;. There are two tutorials given at the end o=
f the page. <BR>=0A1. A Quick Tour Around TCP using ns:<BR>=0A2. Teaching T=
CP Congestion Control and Avoidance using ns: <BR>=0ABut when I try to acce=
ss them, they give error. Can somebody point me to the correct accesible li=
nks to these tutorials.<BR>=0A<BR>=0AI also want similar kind of tutorials =
on Wireless / Ad Hoc Networks Simulation too.<BR>=0A<BR>=0AThanking you.<BR=
>=0A<BR>=0AMukul Shukla<BR>=0AReader (IT)<BR>=0AShri G. S. Institute of Tec=
hnology and Science<BR>=0A23 Park Road<BR>=0AIndore (MP) - 452003 INDIA<BR>=
=0A <BR>=0A=0A</P>=0A<br><br>=0A
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From tomh@tomh.org Sun Sep 23 21:30:06 2007
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Mukul Shukla wrote:
>   Dear all,
> 
> I am new to ns2. I wish to develop Computer Network Assignments using 
> Ns2. I was going through the page "Using ns and nam in Education". There 
> are two tutorials given at the end of the page.
> 1. A Quick Tour Around TCP using ns:
> 2. Teaching TCP Congestion Control and Avoidance using ns:
> But when I try to access them, they give error. Can somebody point me to 
> the correct accesible links to these tutorials.
> 
> I also want similar kind of tutorials on Wireless / Ad Hoc Networks 
> Simulation too.
> 
> Thanking you.
> 
> Mukul Shukla
> Reader (IT)
> Shri G. S. Institute of Technology and Science
> 23 Park Road
> Indore (MP) - 452003 INDIA
> 
> 
> 

Mukul,

I don't know about those URLs; the ns-edu page is very much out of date, 
but you might find them by Googling "A Quick Tour Around TCP using ns".

Here is another link I found:
http://www.cs.ust.hk/~muppala/csit561/labs/nslabs/NSIntro.htm

Tom

From chakchai.soin@hotmail.com Mon Sep 24 08:34:59 2007
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Try : http://www.cse.wustl.edu/~cs5/ns2.html
Thank you> Date: Sun, 23 Sep 2007 01:30:50 -0700> From: tomh@tomh.org> To: =
mukul_nsedu@rediffmail.com> CC: ns-edu@ISI.EDU> Subject: Re: [Ns-edu] TCP u=
sing ns2.> > Mukul Shukla wrote:> > Dear all,> > > > I am new to ns2. I wis=
h to develop Computer Network Assignments using > > Ns2. I was going throug=
h the page "Using ns and nam in Education". There > > are two tutorials giv=
en at the end of the page.> > 1. A Quick Tour Around TCP using ns:> > 2. Te=
aching TCP Congestion Control and Avoidance using ns:> > But when I try to =
access them, they give error. Can somebody point me to > > the correct acce=
sible links to these tutorials.> > > > I also want similar kind of tutorial=
s on Wireless / Ad Hoc Networks > > Simulation too.> > > > Thanking you.> >=
 > > Mukul Shukla> > Reader (IT)> > Shri G. S. Institute of Technology and =
Science> > 23 Park Road> > Indore (MP) - 452003 INDIA> > > > > > > > Mukul,=
> > I don't know about those URLs; the ns-edu page is very much out of date=
, > but you might find them by Googling "A Quick Tour Around TCP using ns".=
> > Here is another link I found:> http://www.cs.ust.hk/~muppala/csit561/la=
bs/nslabs/NSIntro.htm> > Tom
_________________________________________________________________
More photos; more messages; more whatever =96 Get MORE with Windows Live=99=
 Hotmail=AE. NOW with 5GB storage.
http://imagine-windowslive.com/hotmail/?locale=3Den-us&ocid=3DTXT_TAGHM_mig=
ration_HM_mini_5G_0907=

--_56c7d192-8a36-4088-8596-1811ab44b730_
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<html>
<head>
<style>
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
FONT-SIZE: 10pt;
FONT-FAMILY:Tahoma
}
</style>
</head>
<body class=3D'hmmessage'>
Try : <A href=3D"http://www.cse.wustl.edu/~cs5/ns2.html">http://www.cse.wus=
tl.edu/~cs5/ns2.html</A><BR>
Thank you<BR><BR><BR>&gt; Date: Sun, 23 Sep 2007 01:30:50 -0700<BR>&gt; Fro=
m: tomh@tomh.org<BR>&gt; To: mukul_nsedu@rediffmail.com<BR>&gt; CC: ns-edu@=
ISI.EDU<BR>&gt; Subject: Re: [Ns-edu] TCP using ns2.<BR>&gt; <BR>&gt; Mukul=
 Shukla wrote:<BR>&gt; &gt; Dear all,<BR>&gt; &gt; <BR>&gt; &gt; I am new t=
o ns2. I wish to develop Computer Network Assignments using <BR>&gt; &gt; N=
s2. I was going through the page "Using ns and nam in Education". There <BR=
>&gt; &gt; are two tutorials given at the end of the page.<BR>&gt; &gt; 1. =
A Quick Tour Around TCP using ns:<BR>&gt; &gt; 2. Teaching TCP Congestion C=
ontrol and Avoidance using ns:<BR>&gt; &gt; But when I try to access them, =
they give error. Can somebody point me to <BR>&gt; &gt; the correct accesib=
le links to these tutorials.<BR>&gt; &gt; <BR>&gt; &gt; I also want similar=
 kind of tutorials on Wireless / Ad Hoc Networks <BR>&gt; &gt; Simulation t=
oo.<BR>&gt; &gt; <BR>&gt; &gt; Thanking you.<BR>&gt; &gt; <BR>&gt; &gt; Muk=
ul Shukla<BR>&gt; &gt; Reader (IT)<BR>&gt; &gt; Shri G. S. Institute of Tec=
hnology and Science<BR>&gt; &gt; 23 Park Road<BR>&gt; &gt; Indore (MP) - 45=
2003 INDIA<BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; <BR>&gt; Mukul=
,<BR>&gt; <BR>&gt; I don't know about those URLs; the ns-edu page is very m=
uch out of date, <BR>&gt; but you might find them by Googling "A Quick Tour=
 Around TCP using ns".<BR>&gt; <BR>&gt; Here is another link I found:<BR>&g=
t; http://www.cs.ust.hk/~muppala/csit561/labs/nslabs/NSIntro.htm<BR>&gt; <B=
R>&gt; Tom<BR><BR><br /><hr />More photos; more messages; more whatever =96=
 Get MORE with Windows Live=99 Hotmail=AE. NOW with 5GB storage. <a href=3D=
'http://imagine-windowslive.com/hotmail/?locale=3Den-us&ocid=3DTXT_TAGHM_mi=
gration_HM_mini_5G_0907' target=3D'_new'>Get more!</a></body>
</html>=

--_56c7d192-8a36-4088-8596-1811ab44b730_--

From libathin@ceid.upatras.gr Fri Jul 10 01:05:28 2009
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Subject: [Ns-edu] EXtensible Animator for Mobile Simulations
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Hello NS-2 community,

I am glad to announce the availability of the EXtensible Animator for
Mobile Simulations (EXAMS). EXAMS is a visualization tool for wireless
NS-2 simulations.


EXAMS is an open source project available online at:

http://www.livathinos.gr/EXAMS_overview.aspx


EXAMS’ goal is to help the researcher understand the mobile routing
protocol with an exact visual representation of the NS-2 simulation
outcome, while at the same time enabling him to control the animation
process. It can visualize network layout, animate mobile nodes’ movements,
playback packets exchange at routing and agent level, give user the
ability to freely move forward and backwards in simulation time and depict
the network partitions according to given radio range. As regards data
transmissions EXAMS can portray source and destination address, network
level (routing or agent), direction, flow sequence and other. Moreover
EXAMS keeps detailed statistics about data being sent, received, forwarded
or dropped on a node and network basis

EXAMS has been designed with the protocol developer in mind and provides a
complete environment to study, test and debug wireless network protocols.
Its unique characteristic is its extensible architecture which makes it
possible to visualize network protocol’s internal data structures like
routing tables, values for protocol’s state variables, protocol specific
packet types - in fact anything inside the trace file. Technically this is
achievable through protocol extensions which are developed by the protocol
designer himself and are responsible to visualize protocol’s data
according to its own semantics. Additionally the visual environment of
EXAMS incorporates many user friendly features like:

 - Fast jump to a specific line of the trace file.
 - Zoom in/out capability.
 - Filtering of network traffic according to routing and/or agent layer.
 - Screenshots capture to external image file.
 - Color and shape codes for data transmission.
 - Extensive usage of keyboard shortcuts.


Yours faithfully,


Nikos Livathinos


----------------------------------------------------------------------------------------------------
MSc, Livathinos Nikolaos,
Computer and Informatics Engineer.

Web: www.livathinos.gr
Email: nikos@livathinos.gr
-------------------------------------------------------------------------------------------------------