Re: [ns] Integrating PLM into the ns distribution

[Haobo Yu <haoboy@isi.edu>]

We'll take a look. Thank you very much. 

- Haobo

On Fri, 19 May 2000, Arnaud Legout wrote:

> Date: Fri, 19 May 2000 18:13:19 +0200
> From: Arnaud Legout <Arnaud.Legout@eurecom.fr>
> To: ns mailing-list <ns-users@mash.CS.Berkeley.EDU>, Arnaud.Legout@eurecom.fr
> Subject: [ns] Integrating PLM into the ns distribution
> 
> Hello Ns Team members,
> I would like to integrate my ns scripts simulating the PLM protocol
> within ns.
> I provide all the points Haobo asked for.
> 
> You can download the  plm-v1.tar.gz file at:
> http://www.eurecom.fr/~legout/Research/plm.html
> 
> This file contains all the files needed to install plm within ns, 
> an installation procedure (INSTALL_PLM),
> a validation test (validate_plm.tcl) and a reference for this validation
> test(validate_plm.tr.ref.gz),
> a documentation that can be integrated within the ns manual (moreover,
> all the files are commented)
> 
> I sucessfully install PLM within the latest daily snapshot (the ns
> validation
> test suite was ok).
> 
> Please, let me know if you have any problems, if you need something else
> to integrate PLM into ns, etc.
> 
> All your comments are welcomes.
> 
> Regards,
> Arnaud.
> 
> What is PLM:
> Please refer to:
> A. Legout, and E. W. Biersack. 
> PLM: Fast Convergence for Cumulative Layered Multicast Transmission
> Schemes. 
> In Proceedings of ACM SIGMETRICS'2000, Santa Clara, California, USA,
> June 2000. 
> http://www.eurecom.fr/~legout/Research/research.html
> 
> abstract
> A major challenge in the Internet is to deliver live audio/video content
> with a
> good quality and to transfer files to large number of heterogeneous
> receivers. Multic
> ast
>  and  
> cumulative layered transmission are two mechanisms of interest to
> accomplish this
> task efficiently. However, protocols using these mechanisms suffer from
> slow
> convergence time, lack of inter-protocol fairness or TCP-fairness, and 
> loss induced by the join experiments.
> 
> In this paper we define and investigate the properties of a new
> multicast
> congestion control protocol (called PLM) for 
> audio/video and file transfer applications  based on a cumulative
> layered multicast
> transmission. A fundamental contribution of this paper is the
> introduction and
> evaluation of a {\it new} and {\it efficient} technique based on packet
> pair
> to infer which layers to join. We evaluated PLM for a large variety of
> scenarios
> and show that it converges fast to the optimal link utilization, induces
> no loss
> to track the available bandwidth, has inter-protocol fairness and
> TCP-fairness, and
> scales with the number of receivers and the number of sessions.
> Moreover, all
> these properties hold in self similar and multifractal environment.
> 
> > Haobo Yu wrote:
> > >
> > > Dear all,
> > > >
> > > > We support two methods to advertise your contributed code for ns:
> > > >
> > > > First, we need the following in order to add a pointer to your
> > > > code in the ns contributed code web page
> > > > (http://mash.cs.berkeley.edu/ns/ns-contributed.html):
> > > >
> > > > (1) which version of ns was the code written for;
> > > > (2) a pointer to C/C++/OTcl code as well as simulation scripts on
> > > >     your web server;
> > > >
> > > > and hopefully also:
> > > >
> > > > (3) a simple README explaining special setups needed to run the
> > > >     simulations or tests.
> > > > (4) an example script illustrating the use of your protocol.
> > > >
> > > > Second, we're also happy to work with developers to integrate their
> > > > code into the ns distribution.  To do this, we need (in addition
> > > > to 1-4 above):
> > > >
> > > > (5) code which works with the most recently released version of ns
> > > > (6) a test script exercising most important points of your protocol
> > > >     (see the sample tests in tcl/test of the ns directory)
> > > > (7) documentation comparable to the Agent/SRM chapter of ``ns notes
> > > >     and documentation''
> > > >
> > > > (We realize that 5-7 are more work than simply 1-4.  Without a test
> > > > suite we cannot insure that your code will work in future ns releases;
> > > > without documentation your code won't be very useful to others.  The
> > > > advantage is that with these it will be much easier for other
> > > > researchers to build on your hard work.)
> > > >
> > > > Please send your pointers to the ns-users mailing list
> > > > (ns-users@mash.cs.berkeley.edu). Suggestions and
> > > > comments are also welcome.
> > > >
> > > > - The ns Team
> -- 
> ----------------------------------------------------------------------
> Arnaud Legout
> 
> Institut Eurecom               	Phone : 00.33.4.93.00.26.61
> 2229, route des Cretes         	Fax   : 00.33.4.93.00.26.27
> BP 193                         	E-mail: Arnaud.Legout@eurecom.fr
> 06904 Sophia Antipolis cedex    Web   : http://www.eurecom.fr/~legout    
> FRANCE                    
> ----------------------------------------------------------------------
>