|
|
|
“Analysis of Packet Sampling in
the Frequency Domain”, a paper co-authored with Alfredo Grieco, to appear
at the Internet Measurement Conference 2009.
"Revisiting content sharing in wireless ad hoc networks",
to be presented at the fourth workshop on self-organizing systems (IWSOS),
Zurich, December 2009.
Biography:
I am a permanent
research scientist in the Planète project-team
at INRIA, Research Centre Sophia Antipolis – Méditerranée, since March 2002. I
got my Electrical and Electronics engineering degree from the Lebanese
University of Beirut in 1997, and my Master and Ph.D. degrees in Networking
from the University of Nice - Sophia Antipolis in 1998 and 2001. My Ph.D. was
done in the Mistral project-team at
INRIA Sophia Antipolis under the direction of Eitan
Altman. From April 2001 to March 2002, I was with the LCA department at EPFL-Lausanne for a
post-doctoral position (with a grant from Sprint
Labs), and from March to August 2004 I was a visiting faculty member at Intel Research Cambridge
working in the group of Christophe
Diot on traffic monitoring.
My main research interests are
Internet measurement and traffic analysis, the TCP protocol, Peer-to-Peer
networks (namely Bittorrent), modelling and performance evaluation of
communication networks, Delay Tolerant Networks and data collection.
Awards:
- Best paper award for
my paper “Optimal Buffer Management Policies for
Delay Tolerant Networks”, IEEE SECON conference, San Francisco, June
2008 (Certificate).
- Best PhD student paper
award for my paper “On ACK filtering on a slow
reverse channel”, first international workshop on Quality of future
Internet Services, Berlin, September 2000 (Certificate).
- Hariri foundation award,
top 100 funded by the foundation in Lebanon and abroad, five times from
1993 to 1997.
CV (postscript, pdf)
Research projects:
- Content sharing in
wireless networks. Supported by the ITEA Expeshare project. More
details on this link including
the code of our solution BitHoc.
- Understanding the Properties of the BitTorrent Overlay.
- Adaptive traffic sampling. Supported by the ECODE FP7 project.
- Network diagnoisis by collaborative monitoring. Supported by the CMON ANR project.
- Scheduling and ressource control in Delay Tolerant Networks.
- Scalable solutions for data collection. Visit TICP web site for more details.
Professional
activities: (for
complete list click here)
- Guest editor for a
JSAC special
issue on Sampling the Internet: Techniques and Applications.
- Area editor for ACM Computer
Communication Review (2005 - ).
- General chair for WiOpt 2005 workshops.
- General chair for PAM 2004.
- Technical Program
Committee member for Infocom
2010, Comsnets 2010, NSTools 2009, Algotel 2009, ITC 2009, ...
- Invited speaker at
Brunel Univ (London) – 2008, COST 285 final symposium (Surrey, UK) – 2007,
Asian school (Bangkok) - 2005, E-next school (Louvain) - 2005, KTH
(Stockholm) - 2005, ENSI (Tunis) – 2003…2007, MIT (Boston) - 2004, UMASS
(Amherst) - 2004, Boston University (Boston) - 2004, Intel Research
Cambridge - 2004, ...
- Member of the recruitment committee at the computer
science department of the University of Nice-Sophia Antipolis, member of
the directorial board for the Master RSD of the
University of Nice, and responsible of the internship program at the
latter Master.
Teaching activities: (for complete list click here)
·
With Walid Dabbous, Course on Understanding Networks, 30
hours, Master IFI, University of Nice Sophia Antipolis (site
of the course).
·
Course on Internet Measurement and Traffic Analysis, 15
hours, (i) Networking and Distributed Systems Master at the University of Nice
Sophia Antipolis, 2004-2007, (ii) Master RIM, ENSI, Tunis, 2003-present, and
(iii) Master Telecom ParisTech, 3 hours, 2009.
·
Course on Wireless Networking, 7 hours, Master RTM, IUP
Avignon, 2009-present.
·
General course on TCP/IP, 20 hours, Licence Professionnelle
LPSIL, IUT of the UNSA, 2006-2008.
·
Course on local area networks, 15 hours + 7.5 hours practical
work, first year, IUT of the University of Nice Sophia Antipolis, 2007.
·
Course on Voice over IP, 7 hours, (i) Ecole d'Ingénieur
Internet, Marseille, 2003, (ii) Master TIM, UNSA, 2007-2008, (iii) Master RTM,
IUP Avignon, 2008.
·
A course on ns-2,
the Network Simulator, 7 hours, at the Networking and Distributed Systems DEA
of the University of Nice Sophia Antipolis and at the Master RTM at IUP
Avignon. The course is followed by practical exercises on the simulation of
real scenarios (slides and exercises
in English, slides in French).
Selected talks:
- On message drop and scheduling in
Delay Tolerant Networks, Brunel Univ, London, April 2008 (slides).
- Issues related to the modelling of the TCP protocol, E-next school, Louvain,
November 2005 (slides).
- Scalable solutions for information collection, KTH, Stockholm, September 2005
(slides).
- On TCP performance in heterogeneous networks, Summer Research Institute,
Lausanne, July 2002 (slides).
PhD students:
·
Amir Krifa.
Started in May 2009. Thesis title: Towards
a better understanding and support of new collaborative content-rich applications.
·
Imed Lassoued. Started in September 2008. Funded by the ECODE FP7 project. Thesis title: Adaptive Monitoring and Management of
Internet Traffic.
·
Karim Sbaï.
Co-supervided with Walid Dabbous. Funded by the ITEA Expeshare project. Started
in June 2007. Thesis title: Architecture
for data sharing in mobile wireless networks.
·
Mohamad Jaber.
Co-supervised with Philippe Nain. Started in October 2007. Funded by the french
ministry and supported by the CMON ANR project. Thesis
title: Detection and troubleshooting of Internet anomalies.
·
Mohammad Malli. Graduated in September 2006. Thesis title:
Revisiting Internet Topology: Application-Centric Approach (Dissertation).
·
Victor Ramos.
Co-supervised with Eitan Altman. Graduated in December 2004. Thesis title:
Reliable and robust transmission of multimedia contents over the Internet (Dissertation).
Selected
Publications: Complete list here
· Peer-to-Peer Networks
o Karim SBAI, Chadi
BARAKAT, "Revisiting content sharing in wireless
ad hoc networks", in proceedings of the fourth workshop on
self-organizing systems (IWSOS), Zurich, December 2009.
o Amir Krifa, Karim Sbai, Chadi Barakat,
Thierry Turletti, "A standalone content sharing
application for spontaneous communities of mobile handhelds”, demo
description in proceedings of the ACM SIGCOMM
MobiHeld Workshop, Barcelona, Aug 2009.
o Anwar Al-Hamra,
Nikitas Liogkas, Arnaud Legout, Chadi Barakat, "Swarming Overlay Construction
Strategies", in proceedings of IEEE ICCCN conference, San Francisco,
August 2009.
· TCP Analysis in Heterogeneous
Environments
o Karim Sbai and Chadi Barakat, “Experiences on enhancing data collection in large
networks’’, in Computer Networks, vol. 53, no. 7, pp. 1073-1086, May 2009.
o Chadi Barakat, " TCP
modeling and validation", IEEE Network, vol. 15, no. 3, pp. 38-47, May
2001.
o Eitan Altman, Kostya Avrachenkov, Chadi Barakat,
"A Stochastic Model of TCP/IP with Stationary Random
Losses", in proceedings of ACM SIGCOMM, Stockholm, Sweden, August 2000
(Slides, Traces). A detailed version in IEEE/ACM Transactions on Networking,
vol. 13, no. 2, pp. 356- 369, April 2005.
· Internet Measurement and
Traffic Analysis
o Luigi Alfredo Grieco and Chadi Barakat,
"An Analysis of Packet Sampling in the Frequency
Domain", in proceedings of the ACM Internet Measurement Conference
(IMC), Chicago, November 2009 (Slides).
o Mohamad Jaber and Chadi Barakat, ’’Enhancing Application Identification By Means
Of Sequential Testing’’, in proceedings of IFIP/TC6 Networking Conference,
Aechan, Germany, May 2009.
o Mohamed Ali Kaafar, Laurent Mathy, Chadi
Barakat, Kave Salamatian, Thierry Turletti, Walid Dabbous, “Securing Internet
Coordinate Embedding Systems”, in proceedings of ACM SIGCOMM, Kyoto,
Japan, August 2007.
o Gion Reto Cantieni, Gianluca Iannaccone,
Chadi Barakat, Christophe Diot, Patrick Thiran, “Reformulating the monitor
placement problem: Optimal Network-wide Sampling”, a short
version is invited to the Conference on Information Science (CISS),
Princeton NJ, March
· Performance Evaluation of
Wireless LANs
o Amir Krifa, Chadi Barakat, Thrasyvoulos
Spyropoulos, “Optimal Buffer Management Policies for
Delay Tolerant Networks”, in proceedings of the 5th IEEE Conference on
Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2008), San
Francisco, June 2008 (Slides). Best Paper.
o Hossein Manshaei, Gion Reto Cantieni, Chadi
Barakat, Thierry Turletti, "Performance Analysis of
the IEEE 802.11 MAC and Physical Layer Protocol", in proceedings of
WoWMoM, Taormina, June 2005.
· QoS and Voice over IP
o Antonio Nucci, Nina Taft, Chadi Barakat,
Patrick Thiran, "Controlled Use of Excess Backbone
Bandwidth for Providing New Services in IP-over-WDM Networks", IEEE
Journal on Selected Areas in Communications, vol. 22, no. 9, pp. 1692-1707,
November 2004.
o Eitan Altman, Chadi Barakat, Victor Ramos,
"Queuing analysis of simple FEC schemes for
voice over IP", Computer Networks, vol. 39, no. 2, pp. 185-206, June
2002.
Photos
Here a selection of
personnel photos: conferences, travels, Lebanon, the village from where I come
(Chowaya, kaza Hasbaya, south of Lebanon), etc.
Last
updated: Monday,
November 09, 2009
