M. Youssef, S. Al Zahr, and M. Gagnaire. "Translucent Network Design From a CapEx/OpEx Perspective". Springer Journal on Photonic Network Communications, Vol. 22, No. 1, August 2011 (DOI: 10.1007/s11107-011-0310-6).
S. Azodolmolky, J. Perelló, M. Angelou, F. Agraz, L. Velasco, S. Spadaro, Y. Pointurier, A. Francescon, C. Saradhi, P. Kokkinos, E. Varvarigos, S. Al Zahr, M. Gagnaire, M. Gunkel, D. Klonidis, and I. Tomkos. "Experimental Demonstration of an Impairment Aware Network Planning and Operation Tool for Transparent/Translucent Optical Networks". OSA/IEEE Journal of Lightwave Technology, Vol. 29, No. 4, February 2011 (DOI: 10.1109/JLT.2010.2091622).
M. Gagnaire and S. Al Zahr. "Impairment-Aware Routing and Wavelength Assignment in Translucent Networks: State-of-the-art". IEEE Communications Magazine, Vol. 47, No. 5, May 2009 (DOI: 10.1109/MCOM.2009.4939277).
Conference proceedings
E. A. Doumith and S. Al Zahr, "An M : N Shared Regenerator Protection Scheme in Translucent WDM Networks". To appear in Proc. of the IFIP Networking Confrence, Zurich, Switzerland, May 2018.
S. Al Zahr, E. A. Doumith, and P. Forestier, "Advanced Demand Response Considering Modular and Deferrable Loads under Time-Variable Rates". In Proc. of the IEEE Globecom Confrence, Singapore, Singapore, December 2017 (DOI: 10.1109/GLOCOM.2017.8255068).
M. Gagnaire, S. Al Zahr, and Y. Kacem, "Energy Balancing in a Microgrid Based on Sources and Loads Classification". In Proc. of the IEEE GIIS Confrence, Porto, Portugal, October 2016 (DOI: 10.1109/GIIS.2016.7814946).
F. Díaz-Sánchez, S. Al Zahr, M. Gagnaire, J.-P. Laisné, and I. J. Marshall, "CompatibleOne: Bringing Cloud as a Commodity". In Proc. of the IEEE IC2E Confrence, Boston, MA, US, March 2014 (DOI: 10.1109/IC2E.2014.62).
F. Díaz-Sánchez, S. Al Zahr, and M. Gagnaire. "An Exact Placement Approach for Optimizing Cost and Recovery Time under Faulty Multi-Cloud Environments". In Proc. of the IEEE Cloudcom Conference, Bristol, UK, December 2012 (DOI: 10.1109/CloudCom.2013.116).
F. Díaz-Sánchez, E. A. Doumith, S. Al Zahr, and M. Gagnaire. "An Economic Agent Maximizing Cloud Providers Revenues Under Pay-as-you-Book Pricing Model". In Proc. of the 9th International Conference on Economics of Grids, Clouds, Systems and Services (GECON), LNCS 7714, Berlin, Germany, November 2012 (DOI: 10.1007/978-3-642-35194-5_3).
E. A. Doumith, S. Al Zahr, and M. Gagnaire. "A Novel Meta-Heuristic Approach for Optical Monitoring-Tree Design in WDM Networks". In Proc. of the IFIP/IEEE ONDM Conference, Colchester, UK, April 2012 (DOI: 10.1109/ONDM.2012.6210188).
D. Tammaro, E. A. Doumith, S. Al Zahr, J.-P. Smets, and M. Gagnaire. "Dynamic Resource Allocation in Cloud Environment Under Time-variant Job Requests". In Proc. of the IEEE CloudCom Conference, Athens, Greece, November-December 2011 (DOI: 10.1109/CloudCom.2011.91).
E. A. Doumith, S. Al Zahr, and M. Gagnaire. "Mutual Impact of Traffic Correlation and Regenerator Concentration in Translucent WDM Networks". In Proc. of the IEEE ICC Conference, Kyoto, Japan, June 2011 (DOI: 10.1109/icc.2011.5963264).
S. Al Zahr, E. A. Doumith, and M. Gagnaire. "An Exact Approach for Translucent Network Design Considering Scheduled Lightpath Demands". In Proc. of the IEEE ICT Conference, Ayia Napa, Cyprus, May 2011 (DOI: 10.1109/CTS.2011.5898968).
J. Perelló, S. Spadaro, F. Agraz, M. Angelou, S. Azodolmolky, Y. Qin, R. Nejabati, D. Simeonidou, P. Kokkinos, E. Varvarigos, S. Al Zahr, M. Gagnaire, and I. Tomkos. "Experimental Evaluation of Centralized Failure Restoration in a Dynamic Impairment-Aware All-Optical Network". In Proc. of the IEEE OFC/NFOEC Conference, Los Angeles, CA, USA, March 2011 (INSPEC Accession Number: 12050081).
M. Gagnaire, E. A. Doumith, and S. Al Zahr. "A Novel Exact Approach for Translucent WDM Network Design Under Traffic Uncertainty". In Proc. of the IFIP/IEEE ONDM Conference, Bologna, Italy, February 2011 (INSPEC Accession Number: 11962954).
E. A. Doumith, S. Al Zahr, and M. Gagnaire. "Monitoring-Tree: an Innovative Technique for Failure Localization in WDM Translucent Networks". In Proc. of the IEEE Globecom Conference, Miami, FL, USA, December 2010 (DOI: 10.1109/GLOCOM.2010.5683219).
M. Youssef, S. Al Zahr, and M. Gagnaire. "Traffic-Driven vs Topology-Driven Strategies for Regeneration Sites Placement". In Proc. of the IEEE ICC Conference, Cape Town, South Africa, May 2010 (DOI: 10.1109/ICC.2010.5501793).
M. Youssef, S. Al Zahr, and M. Gagnaire. "Cross Optimization for RWA and Regenerator Placement in Translucent WDM Networks". In Proc. of the IFIP/IEEE ONDM Conference, Kyoto, Japan, February 2010 (DOI: 10.1109/ONDM.2010.5431577).
S. Al Zahr, M. Gagnaire, and N. Puech. "Impact of Wavelength Assignment Strategies on Hybrid WDM Network Planning". In Proc. of the IEEE DRCN Conference, La Rochelle, France, October 2007 (DOI: 10.1109/DRCN.2007.4762271).
S. Al Zahr, N. Puech, and M. Gagnaire. "Gain Equalization and Electrical Regeneration in Hybrid WDM Networks". In Proc. of the IEEE ConTEL Conference, Zagreb, Croatia, June 2007 (DOI: 10.1109/CONTEL.2007.381899). Best Student Paper Award.
M.-A. Ezzahdi, S. Al Zahr, M. Koubaa, N. Puech, and M. Gagnaire. "LERP: a Quality of Transmission Dependent Heuristic for Routing and Wavelength Assignment in Hybrid WDM Networks". In Proc. of the IEEE ICCCN Conference, Arlington, Virginia, USA, October 2006 (DOI: 10.1109/ICCCN.2006.286257).
S. Al Zahr, M. Gagnaire, and M.-A. Ezzahdi. "Impact of Quality of Transmission on Protection Schemes in Hybrid WDM Optical Networks". In Proc. of the European EUNICE Summer School, Stuttgart, Germany, September 2006.
N. Puech, S. Al Zahr, and M. Gagnaire. "Wavelength-Dependant Quality of Transmission in WDM Transparent Optical Networks". In Proc. of the ICT Conference, Funcal, Madeira, Portugal, May 2006.
S. Al Zahr, M. Gagnaire, N. Puech, and M. Koubaa. "Physical Layer Impairments in WDM Core Networks: a Comparison between a North-American Backbone and a Pan-European Backbone". In Proc. of the IEEE/CreateNet Broadnets Conference, Boston, USA, October 2005 (DOI: 10.1109/ICBN.2005.1589754).
Invited papers
S. Al Zahr, "Home Energy Management System Considering Modular and Deferrable Electric Loads Under Time-Variable Pricing Scheme". In Proc. of the IEEE MENACOMM Confrence, Jounieh, Lebanon, April 2018 (DOI: 10.1109/MENACOMM.2018.8371044).
E. A. Doumith and S. Al Zahr. "Double-link Failure Localization Based on the Monitoring Trail Concept in WDM Networks". In Proc. of the IEEE International Symposium on Broadband Networks and Fast Internet, Baabda, Lebanon, May 2012 (DOI: 10.1109/RELABIRA.2012.6235087).
E. A. Doumith, S. Al Zahr, and A. Haddad. "On Failure Localization in Optical Networks". 1st Joint Keio University - TELECOM ParisTech Workshop, Paris, France, September 2010.
M. Youssef, S. Al Zahr, and M. Gagnaire. "Cross-optimization for RWA and Regenerator Placement in Translucent WDM networks". 1st Joint Keio University - TELECOM ParisTech Workshop, Paris, France, September 2010.
Patents
S. Al Zahr, Melaine Rousselle, Philippe Forestier. "A method and a system for electrical energy consumptions coordination". Application No. FR1662727, filed on Dec. 19th, 2016.
S. Al Zahr, Melaine Rousselle, Philippe Forestier. "A process and a system for electric appliances energy management". Application No. FR1562001, Issued Jun 16, 2017.
E. A. Doumith, S. Al Zahr, M. Gagnaire. "A method and a system for unambiguous failure localization in translucent optical networks preserving network capacity". European Patent No. EP10290134. Mar. 15th, 2010.
Theses
Sawsan Al Zahr, WDM Translucent Networks Planning with Guaranteed Quality of Transmission (PDF). Ph.D. thesis, École Nationale Supérieure des Télécommunications, Paris, France, 2007.
Sawsan Al Zahr, An Analytical Model of the IPACT MAC Protocol for EPON-based Access Networks. M.Sc. thesis, École Nationale Supérieure des Télécommunications, Paris, France, 2004.
Technical reports
Lucile Belgacem, Sawsan Al Zahr, Nicolas Puech, Routing and Wavelength Assignment in WDM Optical Networks: Exact Resolution vs. Random Search Based Heuristics (PDF). Télécom ParisTech 2008D002, March 2008.
Sawsan Al Zahr, Maurice Gagnaire, An Analytical Model of the IEEE 802.3ah MAC Protocol for EPON-based Access Systems (PDF). Télécom ParisTech 2006C001, May 2006.